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Example 10: Generate an FM Modulation Waveform

Generate an FM modulation waveform: the carrier is a sine wave with 10 kHz frequency, the
modulating wave is a sine wave with 1 Hz frequency and 2 kHz frequency deviation.



Set the frequency, amplitude and offset of the carrier wave.

1.

Press Waveforms and choose the sine waveform as the carrier wave.

2.

Press Frequency/Period and choose Frequency which will display in a blue color. Input ’10’
from the keyboard and choose the unit ‘kHz’ to set the frequency to 10 kHz

3.

Press Amplitude/HighLevel and choose Amplitude which will display in a blue color. Input
’1’ from the keyboard and choose the unit ‘Vpp’ to set the amplitude to 1 Vpp.

4.

Press Offset/LowLevel and choose Offset which will display in a blue color. Input ’0’ from
the keyboard and choose the unit ‘Vdc’ to set the offset to 0 dV DC.



Set the modulation type FM and its parameters.

1.

Press Mod →Type → FM, choose FM. The message shown on the middle left side of the
screen is ‘FM’.

2.

Press FM Freq, input ‘1’ from the keyboard and choose the unit ‘Hz’ to set the FM Freq to 1
Hz.

3.

Press FM Dev, input ‘2’ from the keyboard and choose the unit ‘kHz’ to set the FM deviation
to 2 kHz.

4.

Press Shape →Sine, to choose sine wave as the modulating waveform.

When all parameters above are set, the waveform generated is shown in Figure 83.

Figure 83 - Generate a FM Modulation Waveform

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Содержание 4050B Series

Страница 1: ...i 4050B Series Function Arbitrary Waveform Generator USER MANUAL www com information itm com 1 800 561 8187 ...

Страница 2: ...ines safety category ratings that specify the amount of electrical energy available and the voltage impulses that may occur on electrical conductors associated with these category ratings The category rating is a Roman numeral of I II III or IV This rating is also accompanied by a maximum voltage of the circuit to be tested which defines the voltage impulses expected and required insulation cleara...

Страница 3: ... should be 120 V RMS or 240 V RMS Use only the power cord supplied with the instrument and ensure it is appropriate for your country of use Ground the Instrument To minimize shock hazard the instrument chassis and cabinet must be connected to an electrical safety ground This instrument is grounded through the ground conductor of the supplied three conductor AC line power cable The power cable must...

Страница 4: ...tions outside the instrument s specifications In environments where there is a danger of any liquid being spilled on the instrument or where any liquid can condense on the instrument In air temperatures exceeding the specified operating temperatures In atmospheric pressures outside the specified altitude limits or where the surrounding gas is not air In environments with restricted cooling air flo...

Страница 5: ...nstrument s power cord remove the instrument from service label it as not to be operated and return the instrument to B K Precision for repair Notify B K Precision of the nature of any contamination of the instrument Clean the instrument only as instructed Do not clean the instrument its switches or its terminals with contact cleaners abrasives lubricants solvents acids bases or other such chemica...

Страница 6: ...nts with a properly operating voltage sensing device before touching any internal parts Verify the voltage sensing device is working properly before and after making the measurements by testing with known operating voltage sources and test for both DC and AC voltages Do not attempt any service or adjustment unless another person capable of rendering first aid and resuscitation is present Do not in...

Страница 7: ...ent to minimize instrument heating while rack mounted Do not continue to operate the instrument if you cannot verify the fan is operating note some fans may have intermittent duty cycles Do not insert any object into the fan s inlet or outlet For continued safe use of the instrument Do not place heavy objects on the instrument Do not obstruct cooling air flow to the instrument Do not place a hot s...

Страница 8: ...liament and the Council of the European Union on waste electrical and electronic equipment WEEE and in jurisdictions adopting that Directive is marked as being put on the market after August 13 2005 and should not be disposed of as unsorted municipal waste Please utilize your local WEEE collection facilities in the disposition of this product and otherwise observe all applicable requirements www c...

Страница 9: ...tage Directive and 2004 108 EC Electromagnetic Compatibility Directive with the following standards Low Voltage Directive o EN61010 1 2001 EMC Directive o EN 61000 3 2 2006 o EN 61000 3 3 1995 A1 2001 A2 2005 o EN 61000 4 2 3 4 5 6 11 o EN 61326 1 2006 www com information itm com 1 800 561 8187 ...

Страница 10: ...rument is OFF Power Switch On Off This is the power switch located in front of the instrument CAUTION indicates a hazardous situation which if not avoided will result in minor or moderate injury WARNING indicates a hazardous situation which if not avoided could result in death or serious injury DANGER indicates a hazardous situation which if not avoided will result in death or serious injury Notat...

Страница 11: ...NS 11 3 2 SELECTING A CHANNEL 14 3 3 CONFIGURE WAVEFORM OUTPUT 15 Configure Waveform Shape 15 Configure Frequency 17 Configure Amplitude 18 User Defined High and Low Level 19 Configure Offset 19 Configure Phase 20 Configure Duty Cycle Square Waveform 21 Configure Width and Duty Cycle Pulse Waveform 22 Configure Rise Fall Edge Pulse Waveform 23 Configure Delay Pulse Waveform 24 Configure Symmetry R...

Страница 12: ...Sweep time 56 Sweep Frequency 56 Sweep Trigger Source 56 Trig out 57 Sweep Type 58 Direction 59 3 6 CONFIGURE BURST 59 N Cycle 60 Cycles 61 Infinite 61 Gated 62 Common Settings for NCycle and Gated Burst 63 Start Phase 63 Burst Period 63 Trig Delay 63 Burst Trigger Source 64 4 UTILITY FUNCTIONS 65 4 1 SYSTEM SETTINGS 66 Numerical Format 67 Language Setup 68 Power On 68 Set to Default 69 Key Sound ...

Страница 13: ...nc methods for two or more instruments 92 Synchronization between two instruments 92 Synchronization among multiple instruments 92 4 9 MODE 92 4 10 OVER VOLTAGE PROTECTION 94 5 STORE AND RECALL 95 5 1 STORAGE SYSTEM 96 Local C 96 USB Device 0 96 Browse 97 5 2 FILE TYPE 97 5 3 SAVE THE INSTRUMENT STATE 98 5 4 RECALL STATE FILE OR DATA FILE 100 5 5 DELETE FILE 100 5 6 COPY AND PASTE FILE 100 6 EXAMP...

Страница 14: ...ample 12 Generate an FSK Modulated Waveform 115 Example 13 Generate an ASK Modulation Waveform 116 Example 14 Generate a PSK Modulated Waveform 117 Example 15 Generate a PWM Modulated Waveform 118 Example 16 Generate a DSB AM Modulated Waveform 119 7 TROUBLESHOOTING GUIDE 120 8 SPECIFICATIONS 121 SERVICE INFORMATION 125 LIMITED THREE YEAR WARRANTY 126 www com information itm com 1 800 561 8187 ...

Страница 15: ...ation software to create and load arbitrary waveforms into the instrument Features Dual channel output with bandwidth up to 10 MHz 30 MHz or 60 MHz Amplitude up to 10 Vpp into 50 ohms 150 MSa s sampling rate 14 bit vertical resolution and 16K points waveform length Capable of generating low jitter pulse waveforms Square waves with low jitter and frequencies up to 60 MHz depending on model AM DSB A...

Страница 16: ...C power cord 1 x USB type A to Type B cable 1 x Certificate of calibration Verify that all items above are included in the shipping container If anything is missing please contact B K Precision An optional USB to GPIB adapter model AK40G is also available www com information itm com 1 800 561 8187 ...

Страница 17: ...Rotary dial knob Numeric keypad TFT LCD color display USB host port USB to GPIB adapter interface Accepts USB flash drive to save recall instrument settings and waveforms This port can be used for connecting the USB to GPIB adapter AK40G accessory It can also be used for connecting an external USB flash drive 1 2 3 4 5 6 7 8 9 10 11 1 10 2 3 5 6 7 8 9 11 4 www com information itm com 1 800 561 818...

Страница 18: ...ew Rear Panel Description LAN Interface USB interface AC Power Input Chassis ground 10MHz Out BNC connector Aux In Out BNC connector Counter BNC Connector 1 2 3 4 5 6 7 1 2 3 4 6 7 5 www com information itm com 1 800 561 8187 ...

Страница 19: ...nel status bar Waveform parameters display Waveform mode and output impedance indicator LAN status indicator Mode phase locked free running indicator Menu display Waveform parameters display 1 2 3 4 5 6 7 8 1 7 3 2 6 5 4 8 www com information itm com 1 800 561 8187 ...

Страница 20: ...ed for this instrument operating in rated range To change a cable or add an extension cable be sure that it can meet the required power ratings for this instrument Any misuse with wrong or unsafe cables will void the warranty 2 2 Output Connections The waveform generator output circuits operate as a 50 Ω voltage source working into a 50 Ω load At higher frequencies a non terminated or improperly t...

Страница 21: ...the transmission line to a 50 Ω attenuator a 50 Ω termination and to the oscilloscope input The attenuator isolates the input capacitance of the device and terminates the waveform generator properly 2 3 Preliminary Check Complete the following steps to verify that the generator is ready for use 1 Verify AC Input Voltage Verify and check to make sure proper AC voltages are available to power the in...

Страница 22: ...e menu to enter the second menu page and select System Info option The software firmware version hardware version model and serial number will be displayed Press any Menu Softkey key to exit Figure 1 Preliminary Self Test Figure 2 Self Test Options Note Refer to TEST CAL section for more information about the Self Test function www com information itm com 1 800 561 8187 ...

Страница 23: ...rs Output Default Function Sine Wave Frequency 1 kHz Amplitude Offset 4 Vpp 0 Vdc Phase 0 Load High Z Modulation Default Carrier 1 kHz Sine wave Modulating 100 Hz Sine wave AM Depth 100 FM Deviation 100 Hz ASK Key Frequency 100 Hz FSK Key Frequency 100 Hz FSK Hop Frequency 1 MHz PSK Key Frequency 10 0Hz PM Phase Deviation 100 PWM Width Dev 190 μs Sweep Default Start Stop Frequency 500 Hz 1 5 kHz S...

Страница 24: ...uency Observe the changes on the oscilloscope display 5 Press the Amplitude option in the menu and use the rotary knob or the numeric keypad to change the amplitude Observe the changes on the oscilloscope display Press the Offset option in the menu and use the rotary knob or the numeric keypad to change the DC offset With the oscilloscope set for DC coupling observe the changes on the display Conn...

Страница 25: ...le selection between Frequency or Period Softkey will toggle selection between Amplitude or HighLevel Softkey will toggle selection between Offset or LowLevel Softkey will select Phase Softkey will enable or disable the Harmonic Generation Function The menu system is organized as follows Waveforms Parameter Function Sine Frequency Period Configures the frequency or period of the waveform Amplitude...

Страница 26: ...l of the waveform PulWidth DutyCycle Configures the pulse width or the duty cycle of the pulse Rise Fall Configures the rise or fall time of the pulse Delay Configures the delay of the pulse waveform Noise Stdev Configures the standard deviation of the noise waveform Mean Configures the mean value of the noise waveform DC DC Offset Configures the DC offset of the DC waveform Arb Frequency Period C...

Страница 27: ...out Type Selects between linear or logarithmic sweep operations Direction Selects the sweep direction Burst Ncycle Gated Selects burst by number of cycles or selects external gated burst Cycles Infinite Configures number of cycles for burst or infinite burst external source only Start Phase Configures the start phase of the burst output Burst Period Configures the burst period Source Selects trigg...

Страница 28: ...on function CHCopy Copy channel settings between channels 3 2 Selecting a Channel The 4050B series function arbitrary waveform generators have dual channel outputs They can be operated independently or in sync with each other To select between channel 1 and 2 and view change their parameters press the Ch1 Ch2 key When Channel 1 is selected the display will look like the following When Channel 2 is...

Страница 29: ...arbitrary waveforms There is a dedicated waveform key on the front panel that will allow the user to select between different waveform shapes to output as listed in Table 4 Waveforms Sine Square Ramp Pulse Noise DC Arbitrary Figure 4 Channel 2 Selected Table 4 Waveforms www com information itm com 1 800 561 8187 ...

Страница 30: ...eform shape will display at the bottom of the screen The screenshots below illustrates the menu options for each of the waveform types Sine Waveform Square Waveform Ramp Waveform Pulse Waveform Noise Waveform DC Waveform Arbitrary Waveform www com information itm com 1 800 561 8187 ...

Страница 31: ...r each model and for each type of waveforms See the specifications sheet section for the adjustable ranges Follow the steps below to configure the frequency or period of the output 1 After selecting the waveform shape press the Frequency Period menu option 2 The cursor position will now highlight the first digit of the frequency parameter display 3 Use the rotary knob or the numeric keypad to chan...

Страница 32: ... 1 Press the Waveforms button 2 Select a waveform from the menu 3 Press the Amplitude softkey The cursor position now highlights the first digit of the amplitude parameter display 4 Use the rotary knob or the numeric keypad to change the amplitude a If numeric keypad is used the following screen will be displayed after entering a number 5 Use the menu function keys to select the unit Available uni...

Страница 33: ...n circuit The default value is 0 Vdc Follow the steps below to configure the DC offset of the output 1 Press the Waveforms button 2 Select a waveform from the menu 3 Press the Offset softkey 4 The cursor position now highlights the first digit of the offset parameter display 5 Use the rotary knob or the numeric keypad to change the offset If numeric keypad is used the following screen will be disp...

Страница 34: ...instruments This setting is different from the Start Phase in Burst mode Follow the steps below to configure the phase of the output 1 Press the Waveforms button 2 Select a waveform from the menu 3 Press the Phase softkey 4 The cursor position now highlights the first digit of the phase parameter display 5 Use the rotary knob or the numeric keypad to change the phase If numeric keypad is used the ...

Страница 35: ...e Square waveform 2 Press the DutyCycle softkey and input the desired duty cycle 3 Use the rotary knob or the numeric keypad to change the duty cycle If numeric keypad is used the following screen will be displayed after entering a number Figure 9 Phase Note When the IndependentMode is enabled the phase parameter cannot be modified i e the phase can only be set when there is a reference clock wave...

Страница 36: ...rs have the option to specify the pulse width in units of seconds or the duty cycle as a percentage Pulse duty cycle and pulse width are dependent changing one of the parameters will automatically change the other Note The instrument allows for adjusting pulse width to a minimum of 32 6 ns depending on frequency Figure 11 Duty Cycle of a Square Waveform Figure 12 Pulse Width and Period www com inf...

Страница 37: ... or duty parameter display 5 Use the rotary knob or the numeric keypad to change the width or the duty After entering the numeric value use the menu function keys to select s ms us or ns for pulse width or select percent unit for duty cycle Configure Rise Fall Edge Pulse Waveform Follow the below steps to setup rise and fall time 1 Press the Waveforms button 2 Press the Pulse softkey Figure 13 Pul...

Страница 38: ...y and press the corresponding key to select the parameter unit Alternatively use the arrow keys to select the digit and use the knob to change its value Configure Delay Pulse Waveform Follow the steps below to configure the pulse delay 1 Set the instrument for pulse 2 From the menu select Delay 3 The cursor position will now highlight the first digit of the delay parameter display Figure 15 Rise E...

Страница 39: ... a triangular waveform A sawtooth waveform is a ramp waveform with either 0 or 100 percent Follow the steps below to configure the symmetry of a ramp triangle waveform 1 Press the Waveforms button 2 Select and press the Ramp waveform softkey from the menu 3 The cursor position will now highlight the first digit of the symmetry parameter display Figure 16 Pulse Delay Figure 17 Symmetry www com info...

Страница 40: ...nd mean Noise is a non periodic random signal which has no frequency or period Follow the steps below to configure these parameters 1 Press the Waveforms button 2 Select and press the Noise waveform softkey from the menu 3 From the menu select Stdev for the standard deviation adjustment or Mean for the mean adjustment 4 The cursor position will now highlight the first digit of the standard deviati...

Страница 41: ...Waveform The instrument can output a DC waveform output at a range of voltage levels 12 Vdc 12 Vdc There is only one parameter DC Offset to configure a DC output waveform Follow the steps below to configure the parameter 1 Press the Waveforms button Figure 19 Noise Standard Deviation Figure 20 Noise Mean www com information itm com 1 800 561 8187 ...

Страница 42: ...rary waveform that is built in or create and output a user defined waveform by specifying point by point arbitrary data using the EasyWave software Waveforms can be stored in the internal non volatile memory The methods of setting the parameters of an arbitrary waveform signal are similar to those of the sine waveform function Generate Predefined Built in Waveforms There are a total of 196 predefi...

Страница 43: ...ssian function Sqrt Sqrt function Dlorentz Dlorentz function Root3 Root3 function Haversine Haversine function X 2 X2 function Lorentz Lorentz function X 3 X3 function Gauspuls Gauspuls signal Airy Airy function Gmonopuls Gmonopuls signal Besselj Bessel I function Tripuls Tripuls signal Bessely Bessel II function Weibull Weibull distribution Dirichlet Dirichlet function LogNormal LogNormal Gaussia...

Страница 44: ...m BandLimited Bandwidth limited signal BlaseiWave Time velocity curve of explosive oscillation CPulse C Pulse DampedOsc Time displacement curve of damped oscillation CWPulse CW pulse SwingOsc Kinetic energy time curve of swing oscillation GateVibr Gate self oscillation signal Discharge Discharge curve of NI MH battery LFMPulse Linear FM pulse Pahcur Current waveform of DC brushless motor MCNoise M...

Страница 45: ...h Hyperbolic cosecant Cot Cotangent SecH Hyperbolic secant Sec Secant SinH Hyperbolic sine Csc Cosecant SinInt Integral sine Asin Arc sine TanH Hyperbolic tangent Acos Arc cosine ACosH Arc hyperbolic cosine Atan Arc tangent ASecH Arc hyperbolic secant ACot Arc cotangent ASinH Arc hyperbolic sine CosH Hyperbolic cosine ATanH Arc hyperbolic tangent CosInt Integral cosine ACsch Arc hyperbolic cosecan...

Страница 46: ...rm with 16 duty SquareDuty52 Square waveform with 52 duty SquareDuty18 Square waveform with 18 duty SquareDuty54 Square waveform with 54 duty SquareDuty20 Square waveform with 20 duty SquareDuty56 Square waveform with 56 duty SquareDuty22 Square waveform with 22 duty SquareDuty58 Square waveform with 58 duty SquareDuty24 Square waveform with 24 duty SquareDuty60 Square waveform with 60 duty Square...

Страница 47: ...e waveform with 80 duty SquareDuty96 Square waveform with 96 duty SquareDuty82 Square waveform with 82 duty SquareDuty98 Square waveform with 98 duty SquareDuty84 Square waveform with 84 duty SquareDuty99 Square waveform with 99 duty Arbitrary Waveform Medical Waveform Function Waveform Function EOG Electro Oculogram ECG8 Electrocardiogram 8 EEG Electroencephalogram ECG9 Electrocardiogram 9 EMG El...

Страница 48: ...m Mod Waveform Function Waveform Function AM Sectional sine AM signal PM Sectional sine PM signal l FM Sectional sine FM signal PWM Sectional PWM signal PFM Sectional pulse FM signal Arbitrary Waveform Filter Waveform Function Waveform Function Butterworth Butterworth filter Chebyshev2 Chebyshev2 filter Chebyshev1 Chebyshev1 filter Arbitrary Waveform Demo Waveform Function Waveform Function demo1_...

Страница 49: ...parameter menu and there will be a table on the display area showing the available built in waveforms The menu will display the waveform categories Common Math Engine etc 5 After selecting the category selected category will be highlighted in blue use the rotary knob to select the desired predefined waveform selected waveform will be highlighted in white Figure 22 Arbitrary Waveform Figure 23 Buil...

Страница 50: ...approximately 100MB of non volatile memory that can store more than 1 000 user defined arbitrary waveforms Each stored waveforms have 16K pts 16384 pts exactly EasyWave software will allow users to easily create a custom arbitrary waveform and load it into the internal memory To load a wave created from EasyWave to the internal memory of the unit or saved to a USB flash drive follow the steps belo...

Страница 51: ...eated and loaded from EasyWave software 4 Rotate the knob to choose the desired waveform Then select Recall or press the knob to recall the corresponding waveform 5 If the wave is located in a USB flash drive the user will have to select the external memory drive from the menu above as shown in the following picture Figure 25 User Defined Arbitrary Waveform Figure 26 Load an Arb Waveform from Exte...

Страница 52: ...enerally the component with f1 is called the fundamental frequency A1 is the fundamental waveform s amplitude and φ1 is the fundamental waveform phase The frequencies of the other components called harmonics are all integer multiples of the fundamental frequency Components whose frequencies are odd multiples of the fundamental waveform frequency are called odd harmonics and components whose freque...

Страница 53: ...r harmonics and user defined orders of harmonics 1 Press TYPE TO SELECT THE DESIRED HARMONIC TYPE 2 Press Even and the instrument will output fundamental waveform and even harmonics 3 Press Odd and the instrument will output fundamental waveform and odd harmonics 4 Press All and the instrument will output the fundamental waveform and all the user defined orders of harmonics To Set the Harmonic Ord...

Страница 54: ...cted The units available are Vpp mVpp and dBc 2 This process should be repeated for each harmonic To Select the Harmonic Phase After entering the harmonic setting menu press Harmonic Phase to set the phase of each harmonic 1 Press Order to select the sequence number of the harmonic to be set 2 Press Harmonic Phase to set the phase of the harmonic selected Use the arrow keys and knob to change the ...

Страница 55: ...rce internal external key frequency hop frequency and carrier PSK source internal external key frequency polarity and carrier PWM source internal external modulating frequency width duty cycle deviation modulating waveform and carrier AM Modulation The modulated waveform consists of two parts the carrier and the modulating waveform In AM the amplitude of the carrier varies proportionally with the ...

Страница 56: ...ctor at the rear panel AM Depth Set the modulation depth Shape Sine Choose the modulating waveform Square Triangle UpRamp DnRamp Noise Arb AM Freq Set the modulating waveform frequency Frequency range 1 mHz to 20 kHz internal source only Figure 28 Setting Interface of AM Modulation Table 8 AM Modulation Menu Description www com information itm com 1 800 561 8187 ...

Страница 57: ...gnal from the Aux In Out connector at the rear panel At this time the amplitude of the modulated waveform is controlled by the voltage applied to the connector For example if the modulation depth is set to 100 the output amplitude will be the maximum when the modulating signal is 6V and the minimum when the modulating signal is 6V Do not connect more than 6 V into the Modulation In terminal This w...

Страница 58: ...th of AM is controlled by the voltage level on the connector connected to the Aux In Out 6 V correspond to 100 depth When external modulation source is selected this menu is hidden To Set Modulation Frequency When an internal modulation source is selected press AM Freq to highlight the parameter and then use the numeric keyboard or knob to input the desired value The modulation frequency ranges fr...

Страница 59: ...panel DSB Freq Set the modulating waveform frequency Frequency range 1 mHz to 20 kHz internal source Shape Sine Choose the modulating waveform Square Triangle UpRamp DnRamp Noise Arb Figure 29 Setting Interface of DSB AM Modulation Table 9 DSB AM Modulation Menu Description Note The methods of setting the parameters of DSB AM are similar to AM www com information itm com 1 800 561 8187 ...

Страница 60: ...ers of FM modulation are shown in Figure 30 Function Menu Settings Description Type FM Frequency modulation Source Internal The source is internal External The source is external Use the Aux In Out connector at the rear panel Freq Dev Set the frequency deviation Shape Sine Choose the modulating waveform Square Triangle UpRamp DnRamp Noise Arb Figure 30 Setting Interface of FM Modulation www com in...

Страница 61: ...than maximum frequency of the selected carrier waveform PM Phase Modulation The modulated waveform consists of two parts the carrier and the modulating waveform In PM the phase of the carrier varies with the instantaneous voltage level of the modulating waveform Press Mod Type PM the parameters of PM modulation are shown in Figure 31 Function Menu Settings Description Type PM Phase modulation Tabl...

Страница 62: ...er and use the numeric keyboard or arrow keys and knob to input the desired value The range of phase deviation is from 0 to 360 and the default value is 100 FSK Modulation The FSK is Frequency Shift Keying the output frequency switches between two preset frequencies carrier frequency and the hop frequency or sometimes known as mark frequency 1 and space frequency 0 Press Mod Type FSK the parameter...

Страница 63: ...tion only 1 mHz to 50 kHz Hop Freq Set the hop frequency To Set Key Frequency When internal modulation source is selected press Key Freq to set the rate at which the output frequency shifts between carrier frequency and hop frequency Use the numeric keyboard or knob to input the desired value The key frequency ranges from 1 mHz to 50 kHz When external modulation source is selected this menu is hid...

Страница 64: ...model Ramp 1 uHz to 500 kHz Arb 1 uHz to 6 MHz ASK Modulation When using ASK Amplitude Shift Keying the carrier frequency and key frequency will need to be set The key frequency is the shift rate of the modulated waveform amplitude Press Mod Type ASK the parameters of ASK modulation are shown in Figure 33 Function Menu Settings Description Note The methods of setting the parameters of FSK are simi...

Страница 65: ...g PSK Phase Shift Keying configure the generator to shift its output phase between two preset phase values carrier phase and modulating phase The default modulating phase is 180 Press Mod Type PSK the parameters of PSK modulation are shown in Figure 34 Function Menu Settings Description Type PSK Phase shift keying modulation Table 13 Table 13 ASK Modulation Menu Description Note The methods of set...

Страница 66: ...ng polarity Negative PWM Pulse Width Modulation In PWM Pulse Width Modulation the pulse width of the pulse varies with the instantaneous voltage of the modulating waveform The carrier can only be a pulse waveform Press Waveforms Pulse Mod the parameters of PWM modulation are shown in Figure 35 Table 14 PSK Modulation Menu Description Note The methods of setting the parameters of PSK are similar to...

Страница 67: ...eform Square Triangle UpRamp DnRamp Noise Arb PWM Freq Set the modulating waveform frequency Frequency range 1 mHz to 20 kHz Internal source only To Set Pulse Width Duty Deviation Width Deviation represents the variation of the modulated waveform pulse width relative to the original pulse width Press Width Dev to highlight the parameter and use the numeric keyboard or knob to input the desired val...

Страница 68: ...to the original duty cycle Press Duty Dev to highlight the parameter and use the numeric keyboard or knob to input the desired value as shown in the Figure 37 The duty deviation cannot exceed the current pulse duty cycle The duty deviation is limited by the minimum duty cycle and current edge time setting Figure 36 Width Deviation Setting Interface Figure 37 Duty Deviation Setting Interface www co...

Страница 69: ...ime Set the time span of the sweep in which the frequency changes from the start frequency to stop frequency Start Freq Mid Freq Set the start frequency of the sweep Set the center frequency of the sweep Stop Freq Freq Span Set the stop frequency of the sweep Set the frequency span of the sweep Source Internal Choose internal source as a trigger External Choose external source as a trigger Use the...

Страница 70: ...art Frequency and Stop Frequency Start Frequency and Stop Frequency are the lower and upper limits of the frequency for sweep The Start Frequency must be less than or equal to the Stop Frequency b Center Frequency and Frequency Span Center Frequency Start Frequency Stop Frequency 2 Frequency Span Stop Frequency Start Frequency 4 Press the key again to switch between the two sweep range modes Sweep...

Страница 71: ... once a TTL pulse with specified polarity is sent To set the CMOS pulse polarity refer to the Direction section at the end of this section Manual Trigger a Press the Source softkey b Press the Manual softkey A sweep will be generated when the Trigger softkey is pressed 7 After selecting the type of trigger and pressing the softkey to select it the user will exit the Trigger Source menu Trig out 8 ...

Страница 72: ...the sweep time o Press the Linear softkey A straight line is displayed on the waveform indicating that the output frequency will vary linearly B LOG SWEEP In log sweep the output frequency of the instrument varies proportionally to the logarithm of the sweep time o Press the Log softkey An exponential curve is displayed on the waveform indicating that the output frequency changes logarithmically F...

Страница 73: ...number of periods of a waveform to be output N Cycle mode or the waveform can be gated by an external signal Gated mode Any waveform except DC may be used as the carrier with the limitation on the noise waveform in which only gated burst function is supported Figure 41 Log Sweep Interface Note Sweep function is only available for sine square ramp and arbitrary waveforms It is not available for pul...

Страница 74: ...000 or Infinite If Infinite is chosen then a continuous waveform will be generated once a trigger occurs Item Description NCycle Use the N Cycle mode Cycles Set the number of the bursts in N Cycle Infinite Set the number of the bursts in N Cycle to be infinite Start Phase Set the start phase of the burst Source Internal Choose internal source as a trigger Not available for Infinite Burst External ...

Страница 75: ...te In infinite mode the cycle number of the waveform is set as an infinite value The generator outputs a continuous waveform after receiving the trigger signal Waveforms that support infinite mode include sine square ramp pulse and arbitrary To configure Burst Infinite Cycles follow the steps below 1 Press the Burst button 2 Press the NCycle softkey 3 Press the Infinite softkey 4 Set the trigger s...

Страница 76: ... sine square ramp pulse noise and arbitrary Item Description Polarity Positive Set the polarity for the gated signal Negative Start Phase Set the start phase of the burst Burst Period Set the burst Period Source Internal Choose internal source as a trigger External Choose external source as a trigger Use the Aux In Out connector at the rear panel Figure 43 NCycle Burst Manual Trigger Table 19 Gate...

Страница 77: ...st waveform point Burst Period Burst Period is only available when the trigger source is internal It is defined as the time from the start of a burst to the start of the next one Choose Burst Period and use the numeric keyboard or knob to input the desired value Burst Period 0 99 μs carrier period burst number If the current burst period set is too short the generator will increase this value auto...

Страница 78: ... and the Aux In Out connector at the rear panel will output a trigger signal with specified edge or set it Off to not output a signal from the Aux In Out External Trigger 1 Press the Source softkey 2 Pres the External softkey 3 The generator accepts the trigger signal input from the Aux In Out connector at the rear panel when external trigger is selected A burst will be generated on a CMOS pulse w...

Страница 79: ...ncy counter settings Output Setup Set the output parameters of CH1 and CH2 CH Copy Coupling Set the track channel coupling or channel copy function Interface Set the parameters of remote interfaces Sync Set the sync output CLKSource Internal Choose the system clock source External Mode Choose Phase locked or independent mode OverVoltage Protection Turn on off the overvoltage protection function Fi...

Страница 80: ...On Default All the settings return to their defaults at power on Last All the settings return to the settings at the last power down Set to Default Set all the settings to their defaults Beeper On Turn on the key sound beep Off Turn off the key sound beep ScrnSvr Screensaver 1min Enable screensaver for the specified amount 5min 15min 30min Figure 46 System Options www com information itm com 1 800...

Страница 81: ...s a Press the Utility button b Press the System softkey c Press the Number Format softkey The options for the Numerical Format are shown in Table 21 Numerical Format Item Description Point Use a dot to represent the decimal point Use a comma to represent the decimal point Separator On Enable the Separator Off Disable the Separator Space Use Space as the separator Accept Save the current settings a...

Страница 82: ... these instructions a Press the Utility button b Press the System softkey c Press the PowerOn softkey to toggle between the two options Default Denotes the factory defaults except certain parameters such as Language Last Includes all system parameters and states set when the unit was last powered down except channel output state This setting is stored in non volatile memory and will not be affecte...

Страница 83: ... Frequency 1 kHz Amplitude Offset 4 Vpp 0 Vdc Phase 0 Load High Z Modulation Carrier 1 kHz Sine Wave Modulating 100 Hz Sine Wave AM Depth 100 FM Deviation 100 Hz ASK Key Frequency 100 Hz FSK Key Frequency 100 Hz FSK Hop Frequency 1 MHz PSK Key Frequency 10 0Hz PM Phase Deviation 100 PWM Width Dev 190 μs Sweep Start Stop Frequency 500 Hz 1 5 kHz Sweep Time 1 s Trig Out Off Mode Linear Table 22 Fact...

Страница 84: ...e System softkey c Press the Beeper softkey to select On or Off The default is On Screen Saver This setting allows to enable or disable the screen saver a Press the Utility button b Press the System softkey c Press the Page 1 2 to access the second page of options d Press the ScrnSvr softkey to select On or Off System Info a Press the Utility button b Press the System softkey c Press the Page 1 2 ...

Страница 85: ...are file ADS and choose Recall to update the system software g After the updating is finished the generator will restart automatically h Press Utility Page 1 2 Firmware Update Or press Store Recall directly i Select the configuration file CFG and choose Recall to update the configuration file j After the update completes the generator will restart automatically Do not turn off the power while the ...

Страница 86: ...tions a Press the Utility button b Press the System softkey c Press the Page 1 2 to access the second page of options d Press the Help softkey to enter the following screen Menu Description UP Cursor upward to select Down Cursor downward to select Select Read the currently selected help information Cancel Exit the built in help system Figure 50 Built in Help Menu Figure 51 Built in Help www com in...

Страница 87: ...ator lights test program BoardTest Run the hardware circuit self test program Cancel Return to the Test Cal menu c To enter any test press the corresponding sotkey ScrTest a Press ScrTest to enter the screen test interface b The prompt message Please press 7 key to continue press 8 key to exit is displayed c Press the 7 key to test the display for color deviation bad pixels or display errors Table...

Страница 88: ...at all the backlight keys illuminate correctly The items tested will change to blue LED Test a Press the LEDTest sotkey to enter the LED test interface The on screen white rectangle shapes represent the front panel keys The prompt message Please press 7 Key to continue press 8 Key to exit is displayed b Press the 7 key continuously for testing the key backlights The items tested will change to blu...

Страница 89: ...ilt in frequency counter that can measure frequencies between 100 mHz to 200 MHz DC Coupling and 10 Hz to 200 MHz AC Coupling This unit has a dedicated connector in the back panel for the frequency counter To configure the Frequency Counter follow the steps below a Press the Utility button Figure 54 LED Test Figure 55 Board Test www com information itm com 1 800 561 8187 ...

Страница 90: ... deviation in parts per million ppm between the measured frequency and the reference frequency TrigLev Set the trigger level voltage Duty Measured duty cycle Setup Set the counter configuration Clear Clear the statistical data c Press the State On Off to enabled the counter d Select the parameter to be measured and press its respective softkey The frequency counter can measure the below parameters...

Страница 91: ... input signal to AC or DC The default is AC HFR High Frequency Rejection can be used to filter out high frequency components of a measured signal and improve the measurement accuracy in low frequency signal measurement Press HFR to enable or disable this function The default is Off o Enable High Frequency Rejection when 250 kHz or less signals are measured to filter out unwanted high frequency int...

Страница 92: ... change the output impedance Steps for setting the load 1 Press the Utility button 2 Press the Output Setup softkey 3 Press the Load softkey to change the output load display High Impedance HiZ 50 Ω default Polarity 1 Press the Utility button 2 Press the Output Setup softkey 3 Press the Polarity softkey to set the output signal as normal or inverted The waveform s inversion is relative to the offs...

Страница 93: ...form of CH1 in the normal mode while the waveform of CH1 CH2 the sum of the two waveforms can be output in the combined mode Similarly the CH2 output port of the generator outputs the waveform of CH2 in the normal mode while the waveform of CH1 CH2 can be output in the combined mode 1 Press the Utility button 2 Press the Output Setup softkey 3 Press the Wave Combine softkey to enter the waveforms ...

Страница 94: ...or supports a state and waveform copy function between its two channels This copies all parameters and states including the channel output state and arbitrary waveform data from one channel to the other channel Figure 58 Wave Combine Menu Notes 1 Combining with a Square waveform is not possible 2 When the waveform combining function is enabled the output impedance of the two channels will be set t...

Страница 95: ...erface Channel Coupling The generator supports frequency amplitude and phase coupling Users can set the frequency deviation ratio amplitude deviation ratio or phase deviation ratio of the two channels When coupling is enabled CH1 and CH2 can be modified simultaneously When the frequency amplitude or phase of one channel as the reference is changed the corresponding parameter Table 25 Channel Copy ...

Страница 96: ... below 1 Press the FreqCoup softkey to turn frequency coupling On or Off The default is Off 2 Press the FreqMode softkey to choose Deviation or Ratio and use the numeric keyboard or knob to input the desired value Deviation the frequency deviation between CH1 and CH2 The resulting signal is represented by FreqCH2 FreqCH1 FreqDev Ratio the frequency ratio of CH1 and CH2 The resulting signal is repr...

Страница 97: ... states of CH1 the corresponding parameters or states of CH2 will be adjusted to the same values or states automatically At this point the dual channels can output the same signal To configure the Tracking Track Function follow the steps below 1 Pres the Utility button 2 Press the CH Copy Coupling softkey 3 Press the Track softkey to enable or disable the track function When the track function is ...

Страница 98: ...numeric keyboard or knob and arrow keys to input the desired value for the phase deviation between CH1 and CH2 The resulting signal is represented by PhaseCH2 PhaseCH1 PhaseDev Figure 61 Tracking Figure 62 Phase Deviation www com information itm com 1 800 561 8187 ...

Страница 99: ...nd output to that interface GPIB takes precedence as it locks the unit to GPIB mode when the adapter is connected to USB host in the front panel LAN state is by default on To use USBTMC or GPIB set the LAN state to off Function Menu Description GPIB Set the GPIB address LAN State On Turn on LAN Off Turn off LAN LAN Setup Set the IP address subnet mask and gateway Accept Save the current settings a...

Страница 100: ...ot be used during GPIB operation 2 Connect the GPIB end of the AK40G to the computer s GPIB bus controller via a GPIB cable 3 On the AK40G adapter a RED LED light indicates power to the adapter A YELLOW LED light indicates communication is in process Note A type A to type B USB cable is required for PC connectivity Note Users who have LabVIEW or NI VISA installed will automatically have this drive...

Страница 101: ...t the GPIB address of the generator The address range is 1 to 30 5 Press the Accept softkey to exit the GPIB setting screen 6 Finally press the Accept softkey again to exit to the main menu Note Once connected do not unplug the adapter on either end before powering down the instrument and the computer first PC AK40G GPIB USB Generator Communication indicator LED Power indicator LED www com informa...

Страница 102: ...y menu c Press the Interface softkey to select the remote interface d Press the LAN State softkey to enable LAN and toggle it to On e Then press the LAN Setup to enter the following menu To Set IP Address The format of IP address is NNN NNN NNN NNN where N is a number between 0 9 The first NNN ranges from 1 to 223 and the others range from 0 to 255 Note EasyWave software does not support GPIB inte...

Страница 103: ... ranges from 0 to 255 Press Gateway and use the arrow keys and numeric keyboard or knob to enter your desired gateway The setting is stored in non volatile memory and will be loaded automatically when the generator is next powered on DHCP Configuration Mode In DHCP mode the DHCP server in the current network automatically assigns LAN parameters e g IP address for the generator Press DHCP to select...

Страница 104: ...dulation Either channel 1 or channel 2 can be the waveform this signal is synchronized with Function Menu Description State Off Turn off the sync output On Turn on the sync output Channel CH1 Set the sync signal to CH1 frequency CH2 Set the sync signal of CH2 frequency Accept Save the current settings and return to the Utility menu Cancel Cancel the current settings and return to the Utility menu ...

Страница 105: ...key frequency 7 When external modulation is selected there is no sync signal output The Aux In Out connector on the rear panel is used to input the external modulating signal 4 8 Reference Clock The generator provides an internal 10 MHz clock source which can output from the 10 Mhz In Out connector in the rear panel The same connector also accepts an external clock signal To select or change the c...

Страница 106: ...B as a same value to achieve synchronization Synchronization among multiple instruments Divide the 10 MHz clock source of a generator using internal clock into multiple channels and connect them to the 10MHz In Out connectors of other generators using External clock Then set the output frequencies of all the generators to the same value to achieve synchronization 4 9 Mode The 4050B series has two ...

Страница 107: ...d the phase deviation between CH1 and CH2 changes at random When the independent mode is enabled the phase parameter cannot be modified and the Phase menu will be hidden as shown below Figure 67 Phase Locked Mode Figure 68 Independent Mode www com information itm com 1 800 561 8187 ...

Страница 108: ... to ON overvoltage protection of CH1 and CH2 will take effect when either of the following conditions are met The absolute value of input voltage is higher than 11 V 0 5 V when the amplitude of the generator is 2 Vpp or the absolute value of the DC offset is 3 V The absolute value of input voltage is higher than 4 V 0 5 V when the amplitude of the generator is 2 Vpp or the absolute value of the DC...

Страница 109: ...itrary waveform data in internal or external memory and recall them when needed Press Store Recall to enter the following interface Figure 69 Store Recall Interface Page 1 Figure 70 Figure 45 Store Recall Interface Page 2 Function Menu Settings Description www com information itm com 1 800 561 8187 ...

Страница 110: ...evice 0 and display a prompt message USB device connected as shown in Error Reference source not found After removing the U Disk the screen will display a prompt message USB device removed And USB Device 0 in the storage menu will disappear File Type State Settings files Data Arbitrary waveform file Browse View the current directory Save Save the waveform to the specified path Recall Recall the wa...

Страница 111: ...e Type to select the desired file type Available file types are State File and Data File State File Store the instrument state in internal or external memory in xml format The state file stored includes waveform parameters and modulation sweep burst parameters of two channels and utility parameters Figure 72 Storage System Note The 4050B series can only identify files of which filenames consist of...

Страница 112: ...the internal memory 5 3 Save the Instrument State Users can store the current instrument state in internal and external memories The storage will save the selected function including the basic waveform parameters modulation parameters and other utility settings used To save the instrument state the procedures are given as followed 1 Selecting a file type to store Press Store Recall File Type State...

Страница 113: ...choose Delete to delete the corresponding character 4 Saving a file After finishing inputting filename press Save The generator will save the file under the currently selected directory with the specified filename Figure 73 Filename Input Interface Item Description Up Cursor upward to select Down Cursor downward to select Select Select the current character Delete Delete the current character Save...

Страница 114: ...ete File To delete the instrument state or arbitrary waveform data the procedures are as follows 1 Choose the file Rotate the knob to select the file you want to delete 2 Delete the file Press the Delete softkey and the generator will display prompt message Delete the file Then press Accept the generator will delete the currently selected file 5 6 Copy and Paste File 4050B series supports the inte...

Страница 115: ... and press the knob to open its directory Then rotate the knob to select the file you want to copy and press Page 1 2 Copy 3 Paste the file Rotate the knob to select Local C and press the knob to open its directory Then press Paste www com information itm com 1 800 561 8187 ...

Страница 116: ...ample 6 Generate a DC Waveform Example 7 Generate a Linear Sweep Waveform Example 8 Generate a Burst Waveform Example 9 Generate an AM Modulation Waveform Example 10 Generate an FM Modulation Waveform Example 11 Generate a PM Modulated Waveform Example 12 Generate an FSK Modulated Waveform Example 13 Generate an ASK Modulation Waveform Example 14 Generate a PSK Modulated Waveform Example 15 Genera...

Страница 117: ...Amplitude 1 Press Amplitude HighLevel to choose Amplitude which will display in a blue color 2 Input 5 from the keyboard and choose the unit Vpp The amplitude will be set to 5 Vpp Set the DC Offset 1 Press Offset LowLevel to choose Offset which will display in a blue color 2 Input 1 from the keyboard and choose the unit Vdc The offset will be set to 1 V DC When the frequency amplitude and offset a...

Страница 118: ...ay in a blue color 2 Input 2 from the keyboard and choose the unit Vpp The amplitude is set to 2 Vpp Set the Offset 1 Press Offset LowLevel to choose Offset which will display in a blue color 2 Input 1 from the keyboard and choose the unit Vdc The offset is set to 1 V DC Set the DutyCycle 1 Press DutyCycle to choose DutyCycle which will display in a blue color 2 Input 30 from the keyboard and choo...

Страница 119: ...p The amplitude is set to 100 mVpp Set the DC Offset 1 Press Offset LowLevel to choose Offset which will display in a blue color 2 Input 20 from the keyboard and choose the unit mVdc The offset is set to 20 mV DC Set the Phase 1 Press Phase to choose Phase which will display in a blue color 2 Input 45 from the keyboard and choose the unit degrees The phase is set to 45 Set the Symmetry 1 Press Sym...

Страница 120: ...l and choose the HighLevel which will display in a blue color 2 Input 5 from the keyboard and choose the unit V The high level is set to 5 V Set the LowLevel 1 Press Offset LowLevel and choose the LowLevel which will display in a blue color 2 Input 1 from the keyboard and choose the unit V The low level is set to 1 V Set the PulWidth 1 Press PulWidth DutyCycle and choose PulWidth which will displa...

Страница 121: ...ndard deviation and a 1 V mean Set the Stdev 1 Press Waveforms Noise Stdev to choose Stdev which will display in a blue color 2 Input 0 5 from the keyboard and choose the unit V The standard deviation is set to 0 5 V Set the Mean 1 Press Mean to choose Mean which will display in a blue color 2 Input 1 from the keyboard and choose the unit 1 The mean is set to 1 V When the standard deviation and me...

Страница 122: ...the DC waveform Set the Offset 1 Press Offset and choose Offset which will display in a blue color 2 Input 3 from the keyboard and choose the unit Vdc The DC offset is set to 3 V When the DC offset is set the waveform generated is shown in Figure 79 Figure 78 Generate a Noise Waveform www com information itm com 1 800 561 8187 ...

Страница 123: ...e Amplitude which will display in a blue color Input 5 from the keyboard and choose the unit Vpp to set the amplitude to 5 Vpp 2 Press Offset LowLevel to choose Offset which will display in a blue color Input 0 from the keyboard and choose the unit Vdc to set the offset to 0 V DC Set the sweep time Press Sweep Page 1 2 Sweep Time input 1 from the keyboard and choose the unit s to set the sweep tim...

Страница 124: ...th 5 cycles The burst period is 3 ms Use internal trigger and 0 start phase Set the burst function Press Waveforms and choose the sine waveform as the burst function Set the frequency amplitude and offset 1 Press Frequency Period and choose Frequency which will display in a blue color Input 10 from the keyboard and choose the unit kHz to set the frequency to 10 kHz 2 Press Amplitude HighLevel to c...

Страница 125: ...m the keyboard and choose the unit ms to set the burst period to 3 ms Set the start phase Press Start Phase input 0 from the keyboard and choose the unit to set the start phase to 0 Set the burst cycle Press Cycle Input 5 from the keyboard and choose the unit Cycle to set the burst cycle count to 5 Set the delay Press Page 1 2 to choose Delay and input 100 from the keyboard and choose the unit μs ...

Страница 126: ...1 from the keyboard and choose the unit Vpp to set the amplitude to 1 Vpp 4 Press Offset LowLevel and choose Offset which will display in a blue color Input 0 from the keyboard and choose the unit Vdc to set the offset to 0 V DC Set the modulation type to AM and its parameters 1 Press Mod Type AM and choose AM The message shown on the middle left side of the screen is AM 2 Press AM Freq input 200 ...

Страница 127: ...nput 1 from the keyboard and choose the unit Vpp to set the amplitude to 1 Vpp 4 Press Offset LowLevel and choose Offset which will display in a blue color Input 0 from the keyboard and choose the unit Vdc to set the offset to 0 dV DC Set the modulation type FM and its parameters 1 Press Mod Type FM choose FM The message shown on the middle left side of the screen is FM 2 Press FM Freq input 1 fro...

Страница 128: ... 5 from the keyboard and choose the unit Vpp to set the amplitude to 5 Vpp 4 Press Offset LowLevel and choose Offset which will display in a blue color Input 0 from the keyboard and choose the unit Vdc to set the offset to 0 V DC Set the modulation type PM and parameters 1 Press Mod Type PM and choose PM The message shown on the middle left side of the screen is PM 2 Press PM Freq input 2 from the...

Страница 129: ...ue color Input 5 from the keyboard and choose the unit Vpp to set the amplitude to 5 Vpp 4 Press Offset LowLevel and choose Offset which will display in a blue color Input 0 from the keyboard and choose the unit Vdc to set the offset to 0 V DC Set the modulation type FSK and its parameters 1 Press Mod Type FSK and choose FSK The message shown on the middle left side of the screen is FSK 2 Press Ke...

Страница 130: ...mplitude which will display in a blue color Input 5 from the keyboard and choose the unit Vpp to set the amplitude to 5 Vpp 4 Press Offset LowLevel and choose Offset which will display in a blue color Input 0 from the keyboard and choose the unit Vdc to set the offset to 0 V DC Set the modulation type ASK and its parameters 1 Press Mod Type ASK choose ASK The message shown on the middle left side ...

Страница 131: ...l display in a blue color Input 5 from the keyboard and choose the unit Vpp to set the amplitude to 5 Vpp 4 Press Offset LowLevel and choose Offset which will display in a blue color Input 0 from the keyboard and choose the unit Vdc to set the offset to 0 V DC Set the modulation type PSK and parameters 1 Press Mod Type Page 1 2 PSK choose PSK The message shown on the middle left side of the screen...

Страница 132: ...p 4 Press Offset LowLevel and choose Offset which will display in a blue color Input 0 from the keyboard and choose the unit Vdc to set the offset to 0 V DC 5 Press PulWidth DutyCycle and choose PulWidth which will display in a blue color Input 40 from the keyboard and choose the unit us to set the PulWidth pulse width to 40 us Set the modulation type PWM and parameters 1 Press Mod The message sho...

Страница 133: ...itude which will display in a blue color Input 4 from the keyboard and choose the unit Vpp to set the amplitude to 4 Vpp 4 Press Offset LowLevel and choose Offset which will display in a blue color Input 0 from the keyboard and choose the unit Vdc to set the offset to 0 V DC Set the modulation type DSB AM and its parameters 1 Press Mod Type DSB AM and choose DSB AM The message shown on the middle ...

Страница 134: ...ke sure that the Output buttons above channel 1 and or channel 2 is lit If not press it once The backlight of these Output buttons indicates that the respective channel s output is enabled Q I have connected my signal to an oscilloscope but the amplitude is double of what I set o This is often because the impedance of the generator is not matched with the oscilloscope When the generator is set to ...

Страница 135: ...put Characteristics Amplitude Range 2 mVpp 10 Vpp into 50 Ω 4 mVpp 20 Vpp into open circuit 10 MHz 2 mVpp 5 Vpp into 50 Ω 4 mVpp 10 Vpp into open circuit 10 MHz Amplitude Resolution up to 4 digits Amplitude Accuracy 10 Hz 1 1 mVpp Amplitude Flatness 0 3 dB reference 10 kHz 2 5 Vpp 50 Ω oad Cross Talk 60 dBc both channels set to 0 dBm sine 50 Ω load Offset Range DC 5 V into 50 Ω 0 V into open circu...

Страница 136: ...esolution 1 000 000 s max Rise Fall Time 16 8 ns 1 Vpp 50 10 90 50 load Duty Cycle 0 001 resolution Overshoot 3 100 kHz 1 Vpp Jitter rms cycle to cycle 300 ps 0 05 ppm of period typical 1 kHz 1 Vpp Burst Waveform Sine square ramp pulse arbitrary noise Type Cycle 1 1000000 cycles infinite gated Start Stop Phase 0 360 Internal Period 1 µs 1000 s Gated Source Internal external trigger Trigger Source ...

Страница 137: ...e square ramp arbitrary except DC Sweep Shape Linear or logarithmic up or down Sweep Time 1 ms 500 s Sweep Trigger Internal external manual Auxiliary Input Output Modulation Input 6 Vpp typical for 100 modulation Maximum input voltage 7 V Input impedance 10 k Ω Sync and Trigger Out TTL compatible 1 Output impedance 100 Ω Maximum frequency 1 MHz Minimum pulse width 500 ns Trigger In TTL compatible ...

Страница 138: ...1326 2006 EN61000 3 2 2006 A2 2009 EN61000 3 3 2008 Safety Low voltage directive 2006 95 EC EN61010 1 2001 EN61010 031 2002 A1 2008 General Display 4 3 TFT LCD display 480 x 272 Interfaces LAN USBTMC standard GPIB optional USB host port Storage Memory Arbitrary waveforms and instrument settings share the same non volatile storage memory of 100 MB Power 100 240 VAC 10 50 60 Hz 100 120 VAC 10 400 Hz...

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