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Chapter 4 Calibration Procedures

AC Amplitude (high-impedance) Adjustment

4

4

AC Amplitude (high-impedance) Adjustment

The function generator stores a calibration constant for each high-
impedance attenuator path. The gain coefficient of each path is
calculated using two measurements; one with the waveform DAC at +
output and one with waveform DAC at – output. The setups, therefore,
must be performed in pairs.

1

Connect the DMM as shown below.

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Содержание 33210A

Страница 1: ...Keysight 33210A 10 MHz Function Arbitrary Waveform Generator Service Guide ...

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Страница 4: ... in 14 bit 50 MSa s waveform capability Precise pulse waveform capabilities with adjustable edge time LCD display provides numeric and graphical views Easy to use knob and numeric keypad Instrument state storage with user defined names Portable ruggedized case with non skid feet Flexible system features Four downloadable 8K point arbitrary waveform memories GPIB IEEE 488 USB and LAN remote interfa...

Страница 5: ...at key 1 Graph Mode Local Key 2 On Off Switch 3 Modulation Sweep Burst Keys 4 State Storage Menu Key 5 Utility Menu Key 6 Help Menu Key 7 Menu Operation Softkeys 8 Waveform Selection Keys 9 Manual Trigger Key used for Sweep and Burst only 10 Output Enable Disable Key 11 Knob 12 Cursor Keys 13 Sync Connector 14 Output Connector ...

Страница 6: ...Mode Numeric Readout Information Information Status Units Display Icon Softkey Labels Graph Mode To enter or exit the Graph Mode press the key In Graph Mode only one parameter label Signal Parameter Name Parameter Value Ground is displayed for each key at one time ...

Страница 7: ...rsor keys to modify the displayed number 1 Use the keys below the knob to move the cursor left or right 2 Rotate the knob to change a digit clockwise to increase Use the keypad to enter numbers and the softkeys to select units 1 Key in a value as you would on a typical calculator 2 Select a unit to enter the value ...

Страница 8: ...able connect the instrument s chassis ground screw see above to a good earth ground 1 External 10 MHz Reference Input Terminal Option 001 only 2 Internal 10 MHz Reference Output Terminal Option 001 only 3 External Modulation Input Terminal 4 Input External Trigger Burst Gate Output Trigger Output 5 USB Interface Connector 6 LAN Interface Connector 7 GPIB Interface Connector 8 Chassis Ground Use th...

Страница 9: ...nction generator Disassembly and Repair Chapter 6 provides guidelines for returning your function generator to Keysight Technologies for servicing or for servicing it yourself This chapter also contains a list of replaceable parts for the function generator and how to order the parts Backdating Chapter 8 describes the differences between this manual and older issues of this manual You can contact ...

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Страница 11: ...r 3 Front Panel Menu Operation 35 Front Panel Menu Reference 37 To Select the Output Termination 39 To Reset the Function Generator 39 To Read the Calibration Information 40 To Unsecure and Secure for Calibration 41 To Store the Instrument State 44 To Configure the Remote Interface 45 Chapter 4 Calibration Procedures 51 Keysight Technologies Calibration Services 53 Calibration Interval 53 Adjustme...

Страница 12: ...C Amplitude high impedance Adjustment 81 Low Frequency Flatness Adjustment 84 0 dB Range Flatness Adjustments 85 10 dB Range Flatness Adjustments 87 20 dB Range Flatness Adjustment 89 Calibration Errors 92 Chapter 5 Block Diagram 95 Block Diagram 97 Power Supplies 100 Chapter 6 Disassembly and Repair 101 Operating Checklist 103 Types of Service Available 104 Repackaging for Shipment 105 Cleaning 1...

Страница 13: ...1 1 Specifications ...

Страница 14: ... 1 ns 100 ppm of period Ramp Triangle Frequency 1 mHz to 100 kHz 1 mHz resolution Linearity 0 1 of peak output Variable Symmetry 0 0 to 100 0 Pulse Frequency 1 mHz to 5 MHz 1 mHz resolution Pulse Width period 10 s 40 ns minimum 10 ns resolution Variable Edge Time 20 ns to 100 ns Overshoot 2 Jitter RMS 300 ps 0 1 ppm of period Noise Bandwidth 7 MHz typical 8 K Arbitrary Waveform Generator Option 00...

Страница 15: ...ear Panel Input Lock Range 10 MHz 500 Hz Level 100 mVpp to 5 Vpp Impedance 1 kΩ typical Lock Time 2 seconds Rear Panel Output Frequency 10 MHz Level 632 mVpp 0 dBm typical Impedance 50 Ω typ AC coupled Phase Offset Range 360 to 360 degrees Resolution 0 001 degrees Accuracy 20 ns Modulation AM Carrier Waveforms Sine Square Source Internal External Internal Modulation Sine Square Ramp Triangle Noise...

Страница 16: ...s Trigger Input Input Level TTL compatible Slope Rising or falling selectable Pulse Width 100 ns Input Impedance 10 kΩ DC coupled Latency 500 ns Jitter RMS 6 ns 3 5 ns for Pulse Trigger Output Level TTL compatible into 1 kΩ Pulse Width 400 ns Output Impedance 50 Ω typical Maximum Rate 1 MHz Fanout 4 Keysight 33210As or equivalent Programming Times typical Configuration Times Arb Download Times bin...

Страница 17: ... UL 1244 CSA 1010 EN61010 EMC Tested to MIL 461C EN55011 EN50082 1 Vibration and Shock MIL T 28800 Type III Class 5 Acoustic Noise 30 dBa Warm up Time 1 hour LXI Compliance LXI Class C V 1 0 Note Specifications are subject to change without notice For the latest specifications go to the Keysight 33210A product page and find the 33210A Datasheet www keysight com find 33210A _________________ Footno...

Страница 18: ...16 Chapter 1 Specifications Keysight 33210A Function Arbitrary Waveform Generator 1 Product Dimensions All dimensions are shown in millimeters ...

Страница 19: ...2 2 Quick Start ...

Страница 20: ...e Function Generator for Use on page 19 To Adjust the Carrying Handle on page 20 To Set the Output Frequency on page 21 To Set the Output Amplitude on page 22 To Set a DC Offset Voltage on page 24 To Set the High Level and Low Level Values on page 21 To Select DC Volts on page 22 To Set the Duty Cycle of a Square Wave on page 27 To Configure a Pulse Waveform on page 28 To View a Waveform Graph on ...

Страница 21: ...unction generator The instrument runs a short power on self test which takes a few seconds When the instrument is ready for use it displays a message about how to obtain help along with the current GPIB address The function generator powers up in the sine wave function at 1 kHz with an amplitude of 100 mV peak to peak into a 50Ω termination At power on the Output connector is disabled To enable th...

Страница 22: ...Start To Adjust the Carrying Handle 2 To Adjust the Carrying Handle To adjust the position grasp the handle by the sides and pull outward Then rotate the handle to the desired position Carrying Position Extended Retracted ...

Страница 23: ...nctions the same frequency is used if the present value is valid for the new function To set the waveform period instead press the Freq softkey again to toggle to the Period softkey the current selection is highlighted 2 Enter the magnitude of the desired frequency Using the numeric keypad enter the value 1 2 3 Select the desired units Press the softkey that corresponds to the desired units When y...

Страница 24: ...ude is used if the present value is valid for the new function To set the amplitude using a high level and low level press the Ampl softkey again to toggle to the HiLevel and LoLevel softkeys the current selection is highlighted 2 Enter the magnitude of the desired amplitude Using the numeric keypad enter the value 50 3 Select the desired units Press the softkey that corresponds to the desired uni...

Страница 25: ...r the numeric entry mode 5 Select the new units Press the softkey that corresponds to the desired units The displayed value is converted to the new units For this example press the Vpp softkey to convert 50 mVrms to its equivalent in volts peak to peak To change the displayed amplitude by decades press the right cursor key to move the cursor to the units on the right side of the display Then rotat...

Страница 26: ...value or the offset previously selected When you change functions the same offset is used if the present value is valid for the new function 2 Enter the magnitude of the desired offset Using the numeric keypad enter the value 1 5 3 Select the desired units Press the softkey that corresponds to the desired units When you select the units the function generator outputs the waveform with the displaye...

Страница 27: ... V and the low level to 0 0 V 1 Press the Ampl softkey to select Ampl 2 Press the softkey again to toggle to HiLevel Note that both the Ampl and Offset softkeys toggle together to HiLevel and LoLevel respectively 3 Set the HiLevel value Using the numeric keypad or the knob select a value of 1 0 V If you are using the keypad you will need to select the unit V to enter the value 4 Press the LoLevel ...

Страница 28: ...Utility menu and then set a constant dc voltage as an Offset value Let s set DC Volts 1 0 Vdc 1 Press and then select the DC On softkey The Offset value becomes selected 2 Enter the desired voltage level as an Offset Enter 1 0 Vdc with the numeric keypad or knob You can enter any dc voltage from 5 Vdc to 5 Vdc ...

Страница 29: ... set the desired output frequency to any value up to 5 MHz 2 Press the Duty Cycle softkey The displayed duty cycle is either the power on value or the percentage previously selected The duty cycle represents the amount of time per cycle that the square wave is at a high level note the icon on the right side of the display 3 Enter the desired duty cycle Using the numeric keypad or the knob select a...

Страница 30: ...lse waveform with the default parameters 2 Set the pulse period Press the Period softkey and then set the pulse period to 500 ms 3 Set the pulse width Press the Width softkey and then set the pulse width to 10 ms The pulse width represents the time from the 50 threshold of the rising edge to the 50 threshold of the next falling edge note the display icon 4 Set the edge time for both edges Press th...

Страница 31: ...e upper left corner of the display and the parameter s numeric value field are both highlighted 2 Select the desired parameter To select a specific parameter note the softkey labels at the bottom of the display For example to select period press the Period softkey As in the normal display mode you can edit numbers using either the numeric keypad or the knob and cursor keys Parameters which normall...

Страница 32: ...arbitrary waveform function a temporary message is displayed indicating which waveform is currently selected the default is exponential rise 2 Select the active waveform Press the Select Wform softkey and then press the Built In softkey to select from the five built in waveforms Then press the Exp Fall softkey The waveform is output using the present settings for frequency amplitude and offset unl...

Страница 33: ...iew the help information for a function key Press and hold down the key If the message contains more information than will fit on the display press the softkey or turn the knob clockwise to view the remaining information Press DONE to exit Help 2 View the help information for a menu softkey Press and hold down the Freq softkey If the message contains more information than will fit on the display p...

Страница 34: ...if you enter a value that exceeds the frequency limit for the selected function a message will be displayed The built in help system provides additional information on the most recent message to be displayed Press the key select the first topic View the last message displayed and then press SELECT Press DONE to exit Help Local Language Help The built in help system in available in multiple languag...

Страница 35: ... and mounting hardware are included with each rack mounting kit Any Keysight System II instrument of the same size can be rack mounted beside the Keysight 33210A Note Remove the carrying handle and the front and rear rubber bumpers before rack mounting the instrument To remove the handle rotate it to vertical and pull the ends outward To remove the rubber bumper stretch a corner and then slide it ...

Страница 36: ...o instruments side by side order lock link kit 5061 8769 and flange kit 5063 9212 Be sure to use the support rails in the rack cabinet In order to prevent overheating do not block the flow of air into or out of the instrument Be sure to allow enough clearance at the rear sides and bottom of the instrument to permit adequate internal air flow ...

Страница 37: ...3 3 Front Panel Menu Operation ...

Страница 38: ...nd many front panel operations Refer to the Keysight 33210A User s Guide for a complete discussion of the function generator s capabilities and operation Front Panel Menu Reference on page 37 To Select the Output Termination on page 39 To Reset the Function Generator on page 39 To Read the Calibration Information on page 40 To Unsecure and Secure for Calibration on page 41 To Store the Instrument ...

Страница 39: ...hmic sweeping Select the start stop frequencies or center span frequencies Select the time in seconds required to complete a sweep Specify a marker frequency Specify an internal or external trigger source for the sweep Specify the slope rising or falling edge for an external trigger source Specify the slope rising or falling edge of the Trig Out signal Configure the parameters for burst Select the...

Страница 40: ...uration IP address and network configuration Select how periods and commas are used in numbers displayed on the front panel Select the local language for front panel messages and help text Enable disable the tone heard when an error is generated Enable disable the display bulb saver mode Adjust the contrast setting of the front panel display Perform an instrument self test Secure unsecure the inst...

Страница 41: ...played voltage matches the expected load 1 Press 2 Navigate the menu to set the output termination Press the Output Setup softkey and then select the Load softkey 3 Select the desired output termination Use the knob or numeric keypad to select the desired load impedance or press the Load softkey again to choose High Z To Reset the Function Generator To reset the instrument to its factory default s...

Страница 42: ...he date when the last calibration was performed the date when the next calibration is due the instrument s serial number or even the name and phone number of the person to contact for a new calibration 1 Select the Cal Info interface Press and then select the Cal Info softkey from the Test Cal menu The first line in the display shows the calibration count The second line shows the calibration mess...

Страница 43: ...m the factory The security code is stored in non volatile memory and does not change when power has been off after a Factory Reset RST command or after an Instrument Preset SYSTem PRESet command The security code may contain up to 12 alphanumeric characters The first character must be a letter but the remaining characters can be letters numbers or an underscore _ You do not have to use all 12 char...

Страница 44: ... the Secure Code interface Press and then select the Test Cal softkey 2 Enter the Secure Code When the last character of the secure code is entered the instrument will be unsecured 3 Exit the menu Press the DONE softkey Use the knob to change the displayed character and Use the arrow keys to move to the next character ...

Страница 45: ...key 2 Enter a Secure Code Enter up to 12 alphanumeric characters The first character must be a letter Use the knob to change the displayed character Use the arrow keys to move to the next character 3 Secure the Instrument Select the Secure softkey 4 Exit the menu Press the DONE softkey Use the knob to change the displayed character and Use the arrow keys to move to the next character ...

Страница 46: ... to 12 characters The first character must be a letter but the remaining characters can be letters numbers or the underscore character _ To add additional characters press the right cursor key until the cursor is to the right of the existing name and then turn the knob To delete all characters to the right of the cursor position press To use numbers in the name you can enter them directly from the...

Страница 47: ...f the User s Guide for the Keysight 33210A for further information on these CDs and the software they contain GPIB Configuration 1 Select the I O menu Press and then press the I O softkey 2 Set the GPIB address Use the knob and cursor keys or the numeric keypad to select a GPIB address in the range 0 through 30 the factory default is 10 The GPIB address is shown on the front panel display at power...

Страница 48: ...tkey You can select Modify Settings to change the LAN settings or Current Config to view the current LAN settings including the MAC address Press Modify Settings From this menu you can select Reset LAN to restart the LAN IP Setup to set an IP address and related parameters DNS Setup to configure DNS or Password to set a password for the Web Server Interface Note To set a password use the knob and ...

Страница 49: ... Auto IP On if DHCP fails to assign an IP address Auto IP will attempt to do so after a time out period However if you cannot establish communication by means of DHCP or Auto IP you will need to manually set an IP address and a subnet mask and gateway address if they are in use Follow these steps a Set the IP Address Press the softkeys to select DHCP Off and Auto IP Off The manual selection softke...

Страница 50: ...the Default Gateway softkey and enter the gateway address in the IP address format using the keypad d Exit the IP Setup menu Press DONE to return to the Modify Settings menu 4 Configure the DNS Setup optional DNS Domain Name Service is an Internet service that translates domain names into IP addresses Ask your network administrator whether DNS is in use and if it is for the host name domain name a...

Страница 51: ...the Utility menu directly More about IP Addresses and Dot Notation Dot notation addresses nnn nnn nnn nnn where nnn is a byte value such as IP addresses must be expressed with care This is because most web software on the PC will interpret byte values with leading zeros as octal numbers Thus 255 255 020 011 is actually equivalent to the decimal 255 255 16 9 rather than 255 255 20 11 because 020 is...

Страница 52: ...50 3 ...

Страница 53: ...4 4 Calibration Procedures ...

Страница 54: ...ency Flatness Verification on page 64 0 dB Range Flatness Verification on page 65 10 dB Range Flatness Verification on page 67 20 dB Range Flatness Verification on page 69 Calibration Security on page 71 Calibration Message on page 73 Calibration Count on page 73 General Calibration Adjustment Procedure on page 74 Aborting a Calibration in Progress on page 75 Sequence of Adjustments on page 75 Sel...

Страница 55: ...regular interval determined by the measurement accuracy requirements of your application A 1 year interval is adequate for most applications Accuracy specifications will remain valid only if adjustment is made at regular calibration intervals Accuracy specifications are not valid beyond the 1 year calibration interval Keysight does not recommend extending calibration intervals beyond 2 years for a...

Страница 56: ...alibration procedure and performance verification tests in approximately 30 minutes once the instrument is warmed up see Test Considerations on page 57 Manual adjustments and verifications using the recommended test equipment will take approximately 2 hours START Incoming Verification YES NO Perform Adjustments approx 1 Hour Do Performance Verification Tests approx 1 Hour Do Performance Verificati...

Страница 57: ...a test program and compare the results to the appropriate test limit values You can also adjust the instrument from the remote interface Remote adjustment is similar to the local front panel procedure You can use a computer to perform the adjustment by first selecting the required function and range The calibration value is sent to the instrument and then the calibration is initiated over the remo...

Страница 58: ...0 ppm resolution 100 µV Resistance Offset compensated accuracy 0 1Ω Keysight 3458A Q P T Power Meter 100 kHz to 100 MHz 1 µW to 100 mW 30 dBm to 20 dBm accuracy 0 02 dB resolution 0 01 dB Keysight E4418B Q P T Power Head 100 kHz to 100 MHz 1 µW to 100 mW 30 dBm to 20 dBm Keysight 8482A Q P T Attenuator 20 dB Keysight 8491A Opt 020 Q P T Frequency Meter accuracy 0 1 ppm Keysight 53131A Opt 010 high...

Страница 59: ... recommendations Assure that the calibration ambient temperature is stable and between 21 C and 25 C 23 C 2 C Assure ambient relative humidity is less than 80 Allow a 1 hour warm up period before verification or adjustment Keep the measurement cables as short as possible consistent with the impedance requirements Use only RG 58 or equivalent 50Ω cable ...

Страница 60: ...t of tests that are recommended as an acceptance test when you first receive the instrument or after performing adjustments Self Test A brief power on self test occurs automatically whenever you turn on the instrument This limited test assures that the instrument is operational To perform a complete self test 1 Press on the front panel 2 Select the Self Test softkey from the Test Cal menu A comple...

Страница 61: ... failures To perform the quick performance check do the following 1 Perform a complete self test A procedure is given on page 58 2 Perform only the performance verification tests indicated with the letter Q 3 If the instrument fails the quick performance check adjustment or repair is required Performance Verification Tests The performance verification tests are recommended as acceptance tests when...

Страница 62: ...correct the difference between the DMM and Power Meter measurements the Power Meter reference measurement level is adjusted to set the 0 00 dB level to the DMM measurement made at 1 kHz The flatness error of the DMM at 100 KHz is used to set the required 0 00 dB reference The instrument internally corrects the difference between the high Z input of the DMM and the 50 Ω input of the Power Meter whe...

Страница 63: ...om the procedure on page 64 100kHz_0dB_reference __________________________ Vrms 100kHz_10dB_reference __________________________ Vrms 100kHz_20dB_reference __________________________ Vrms 4 Calculate the dBm value of the rms voltages 100kHz_0dB_reference_dBm 10 log 5 0 100kHz_0dB_reference2 __________________________ dBm 100kHz_10dB_reference_dBm 10 log 5 0 100kHz_10dB_reference2 ________________...

Страница 64: ... below the frequency counter input should be terminated at 50 Ω 2 Set the instrument to the output described in the table below and measure the output frequency Be sure the instrument output is enabled The error is 100 Hz within 90 days of calibration or 200 Hz within one year 3 Compare the measured frequency to the test limits shown in the table Keysight 33210A Measurement Function Amplitude Freq...

Страница 65: ...ter the measured value on the worksheet page 61 as 1kHz_10dB_reference 3 Enter the measured value on the worksheet page 61 as 1kHz_20dB_reference 4 Based upon 1 of setting 1 mVpp 50 Ω converted to Vrms for High Z 3 Compare the measured voltage to the test limits shown in the table Keysight 33210A Measurement Output Setup Function Frequency Amplitude Nominal Error 4 Q High Z Sine Wave 1 000 kHz 20 ...

Страница 66: ...t voltage with the DMM Press to set the output impedance to High Z Be sure the output is enabled 1 Enter the measured value on the worksheet page 61 as 100kHz_0dB_reference 2 Enter the measured value on the worksheet page 61 as 1k00Hz_10dB_reference 3 Enter the measured value on the worksheet page 61 as 100kHz_20dB_reference 3 Compare the measured voltage to the test limits shown in the table 4 Yo...

Страница 67: ...ows Output impedance 50 Ω press and select Output Setup Waveform Sine Frequency 100 kHz Amplitude 3 51 dBm Make sure the output is enabled 3 On the power meter use the Relative Power function to set the current reading as the reference value This will allow you to compare future measurement results in dB 4 Set the power meter offset to equal the 100kHz_0dB_offset value previously calculated This s...

Страница 68: ...ht 33210A Measurement Output Setup Function Amplitude Frequency Nominal Error Q 50 Ω Sine Wave 3 51 dBm 100 000 kHz 0 dB 0 1 dB 50 Ω Sine Wave 3 51 dBm 200 000 kHz 0 dB 0 2 dB 50 Ω Sine Wave 3 51 dBm 500 000 kHz 0 dB 0 2 dB 50 Ω Sine Wave 3 51 dBm 2 000 MHz 0 dB 0 2 dB 50 Ω Sine Wave 3 51 dBm 3 000 MHz 0 dB 0 2 dB Q 50 Ω Sine Wave 3 51 dBm 4 000 MHz 0 dB 0 2 dB 50 Ω Sine Wave 3 51 dBm 5 000 MHz 0 ...

Страница 69: ...ollows Output impedance 50 Ω press and select Output Setup Waveform Sine Frequency 100 kHz Amplitude 13 00 dBm Make sure the output is enabled 3 On the power meter use the Relative Power function to set the current reading as the reference value This will allow you to compare future measurement results in dB 4 Set the power meter offset to equal the 100kHz_10dB_offset value previously calculated T...

Страница 70: ...A Measurement Output Setup Function Amplitude Frequency Nominal Error Q 50 Ω Sine Wave 13 00 dBm 100 000 kHz 0 dB 0 1 dB 50 Ω Sine Wave 13 00 dBm 200 000 kHz 0 dB 0 2 dB 50 Ω Sine Wave 13 00 dBm 500 000 kHz 0 dB 0 2 dB 50 Ω Sine Wave 13 00 dBm 2 000 MHz 0 dB 0 2 dB 50 Ω Sine Wave 13 00 dBm 3 000 MHz 0 dB 0 2 dB Q 50 Ω Sine Wave 13 00 dBm 4 000 MHz 0 dB 0 2 dB 50 Ω Sine Wave 13 00 dBm 5 000 MHz 0 d...

Страница 71: ...t voltage of the instrument as shown below Caution Most power meters will require an attenuator or special power head to measure the 20 dB output 2 Set up the function generator as follows Output impedance 50 Ω press and select Output Setup Waveform Sine Frequency 100 kHz Amplitude 23 90 dBm Make sure the output is enabled 3 On the power meter use the Relative Power function to set the current rea...

Страница 72: ...utput amplitude with the power meter 6 Compare the measured output to the test limits shown in the table Keysight 33210A Measurement Output Setup Function Amplitude Frequency Nominal Error Q 50 Ω Sine Wave 23 90 dBm 100 000 kHz 0 dB 0 1 dB 50 Ω Sine Wave 23 90 dBm 200 000 kHz 0 dB 0 2 dB 50 Ω Sine Wave 23 90 dBm 500 000 kHz 0 dB 0 2 dB 50 Ω Sine Wave 23 90 dBm 2 000 MHz 0 dB 0 2 dB 50 Ω Sine Wave ...

Страница 73: ...er must be a letter but the remaining characters can be letters numbers or an underscore _ You do not have to use all 12 characters but the first character must always be a letter Note If you forget your security code you can disable the security feature by applying a temporary short inside the instrument as described below To Unsecure the Instrument Without the Security Code To unsecure the instr...

Страница 74: ...G Be careful not to touch the power line connections or high voltages on the power supply module Power is present even if the instrument is turned off 5 The display will show the message Calibration security has been disabled The instrument is now unsecured 6 Turn off the instrument and remove the power cord 7 Reassemble the instrument Now you can enter a new security code see To Unsecure and Secu...

Страница 75: ...the remote interface You can read the calibration message whether the instrument is secured or unsecured Reading the calibration message from the front panel is described on To Read the Calibration Information on page 40 Use the CAL STRING query to read the message over the remote interface Calibration Count You can query the instrument to determine how many calibrations have been performed Note t...

Страница 76: ... the instrument incoming data 4 Press on the front panel 5 Select the Test Cal menu 6 Select Perform Cal 7 Enter the Setup Number for the procedure being performed The default setup number is 1 and from the front panel the number will increment as the procedures are performed 8 Select BEGIN 9 For setups that require an input adjust the value shown in the display to the measured value and select EN...

Страница 77: ...u lose power or otherwise abort an adjustment in progress you will only need to perform the interrupted adjustment procedure again Caution If power is lost when the instrument is attempting to write new calibration constants to EEPROM you may lose all calibration constants for the function Typically upon re applying power the instrument will report error 313 Calibration Memory Lost Sequence of Adj...

Страница 78: ...ted in Test Considerations on page 57 before beginning any adjustments 1 Press on the front panel Select Perform Cal on the Test Cal menu Enter setup number 1 and select BEGIN 2 If the instrument fails any self test you must repair the instrument before continuing the adjustment procedures Note The self test procedure takes approximately 15 seconds to complete Setup 1 Performs the Self test The Ma...

Страница 79: ...e stored after completing this setup 3 Using the numerical keypad or knob adjust the displayed frequency at each setup to match the measured frequency Select ENTER VALUE 4 After performing setup 5 a If your calibration procedures require you to verify the adjustment just made exit the calibration menu and perform Internal Timebase Verification on page 62 b If you are making all the adjustments and...

Страница 80: ...a source for the calibration constants generated in setup 7 1 Make the connections as shown below 2 Set the DMM to display 5 1 2 digits 3 Enter the following setup and then measure the dc value Constants are stored after completing this setup 4 Enter the measured value of the dc source using the numeric keypad or knob Note This setup requires approximately 15 seconds to complete 5 Disconnect all c...

Страница 81: ... of the instrument Continue with the next adjustment procedure in this chapter Output Impedance Adjustment The function generator stores calibration constants for the output impedance The output impedance constants are generated with and without the distortion filter and using all five attenuator paths 1 Set the DMM to measure offset compensated four wire Ohms Set the DMM to use 100 NPLC integrati...

Страница 82: ...ue is approximately 50 Ω Constants are stored after completing this setup 3 Using the numeric keypad or knob adjust the displayed impedance at each setup to match the measured impedance Select ENTER VALUE 4 There are no specific operational verification tests for Output Impedance Continue with the next adjustment procedure in this chapter Setup 8 30dB range 9 20dB range 10 10dB range 11 0dB range ...

Страница 83: ...t The function generator stores a calibration constant for each high impedance attenuator path The gain coefficient of each path is calculated using two measurements one with the waveform DAC at output and one with waveform DAC at output The setups therefore must be performed in pairs 1 Connect the DMM as shown below ...

Страница 84: ...ange 15 0 05 V Output of 20dB range 16 0 05 V Output of 20dB range 17 0 15 V Output of 10dB range 18 0 15 V Output of 10dB range 19 0 50 V Output of 0dB range 20 0 50 V Output of 0dB range 21 0 15 V Output of 10dB range Amplifier In 22 0 15 V Output of 10dB range Amplifier In 23 0 50 V Output of 0dB range Amplifier In 24 0 50 V Output of 0dB range Amplifier In 25 1 5 V Output of 10dB range Amplifi...

Страница 85: ...ENTER VALUE Entered values are rounded to the nearest 100 µV 4 After performing setup 28 a If your calibration procedures require you to verify the adjustment just made exit the calibration menu and perform AC Amplitude high impedance Verification on page 63 b If you are making all the adjustments and then verifying the instrument s performance continue with the next procedure in this chapter ...

Страница 86: ...s require you to verify the adjustment just made exit the calibration menu and perform Low Frequency Flatness Verification on page 64 b If you are making all the adjustments and then verifying the instrument s performance continue with the next procedure in this chapter Nominal Signal Setup Frequency Amplitude 29 1 kHz 0 56 Vrms Flatness for 0dB Elliptical Filter 30 100 kHz 0 56 Vrms Flatness for ...

Страница 87: ...s for 0 dB Elliptical Filter 41 500 kHz 0 28 Vrms 2 dBm Flatness for 0 dB Elliptical Filter 42 1 5 MHz 0 28 Vrms 2 dBm Flatness for 0 dB Elliptical Filter 43 3 MHz 0 28 Vrms 2 dBm Flatness for 0 dB Elliptical Filter 44 4 MHz 0 28 Vrms 2 dBm Flatness for 0 dB Elliptical Filter 45 6 MHz 0 28 Vrms 2 dBm Flatness for 0 dB Elliptical Filter 46 8 MHz 0 28 Vrms 2 dBm Flatness for 0 dB Elliptical Filter 4...

Страница 88: ...ach setup to match the measured amplitude in dBm Then select ENTER VALUE Note In order to get dBm you must use the numeric keypad not the knob to enter the number and then select dBm 4 After performing setup 51 a If your calibration procedures require you to verify the adjustment just made exit the calibration menu and perform 0 dB Range Flatness Verification on page 65 b If you are making all the...

Страница 89: ...is approximated using the other path s values 1 Connect the power meter as shown below 2 Use a power meter to measure the output amplitude for each of the setups in the table on the next page Note Setup 54 establishes the power meter reference for all the remaining setups in this table You must always perform setup 54 before any of the following setups ...

Страница 90: ...7 b If you are making all the adjustments and then verifying the instrument s performance continue with the next procedure in this chapter Nominal Signal Setup Frequency Amplitude 54 100 kHz 0 9 Vrms 12 dBm Flatness for 10 dB Elliptical Filter 55 200 kHz 0 9 Vrms 12 dBm Flatness for 10 dB Elliptical Filter 56 500 kHz 0 9 Vrms 12 dBm Flatness for 10 dB Elliptical Filter 57 1 5 MHz 0 9 Vrms 12 dBm F...

Страница 91: ... attenuator you use For example if the nominal attenuator value is 20 dB at the specified frequency you must add 20 dB to the power meter reading before entering the value 1 Make the connections as shown below 2 Use the power meter to measure the output amplitude for each of the setups in the table on the next page Note Setup 63 establishes the power meter reference for all the remaining setups in...

Страница 92: ...lliptical Filter 67 3 0 MHz 2 8 Vrms 22 dBm Flatness for 20 dB Elliptical Filter 68 4 0 MHz 2 8 Vrms 22 dBm Flatness for 20 dB Elliptical Filter 69 6 0 MHz 2 8 Vrms 22 dBm Flatness for 20 dB Elliptical Filter 70 8 0 MHz 2 8 Vrms 22 dBm Flatness for 20 dB Elliptical Filter 71 9 9 MHz 2 8 Vrms 22 dBm Flatness for 20 dB Elliptical Filter 72 200 kHz 2 8 Vrms 22 dBm Flatness for 20 dB Linear Phase Filt...

Страница 93: ...elect dBm 4 After performing setup 75 a If your calibration procedures require you to verify the adjustment just made exit the calibration menu and perform 20 dB Range Flatness Verification on page 69 b If you are making all the adjustments and then verifying the instrument s performance verify the output specifications of the instrument using the Performance Verification Tests on page 58 You have...

Страница 94: ...ng the remote interface 703 Calibration error secure code provided was invalid Invalid security code specified with the CAL SEC STAT ON command 706 Calibration error value out of range You have entered a value that was unexpected by the calibration firmware For example if a number is expected such a 50 XX ohms and you enter 10 ohms that number is outside the expected range of valid inputs 707 Cali...

Страница 95: ...et up is invalid You have selected an invalid calibration setup number with the CAL SET command 851 Calibration error set up is out of order Certain calibration steps require a specific beginning and ending sequence You may not enter into the middle of a sequence of calibration steps ...

Страница 96: ...94 Chapter 4 Calibration Procedures Calibration Errors 4 ...

Страница 97: ...5 5 Block Diagram ...

Страница 98: ...s chapter provides a high level overview of the instrument s functional block diagram For more information on servicing the instrument see Chapter 6 Disassembly and Repair Block Diagram on page 97 Power Supplies on page 100 ...

Страница 99: ...the Synthesis IC uses optically isolated serial data links The Synthesis IC is a gate array and performs most of instrument functions This gate array has an on board UART A 50 MHz voltage controlled oscillator provides the main clock for the Synthesis IC and the Waveform DAC The Synthesis IC implements clock generation pulse generation DDS and modulation functions and sets the output waveform and ...

Страница 100: ...ltiplexer is a square wave or pulse signal with the correct duty cycle The rising edge and falling edge of the signal are adjusted and the signal is buffered and sent to the Main Output Circuit The Main Output circuit accepts one of two inputs the sine arb waveform or the squarewave pulse waveform Once selected the signal can be applied to one or both attenuators and or a 20 dB amplifier The atten...

Страница 101: ...99 Chapter 5 Block Diagram Block Diagram 4 5 ...

Страница 102: ...strument Secondary power supplies are contained on the main circuit board The secondary power supplies include both isolated and earth referenced supplies 110 240 Vac Line Filter Main Supply Power Switch K1201 Earth Referenced Power Supplies Isolated Power Supplies 3 3V_ER 1 8V_ER 15V 15V 5V 5V 3 3V_ISO 12V PWR_ON 1 8V_ISO FAN Display Backlight CCFL_ON A1 Power Supplies Front Panel ...

Страница 103: ...6 6 Disassembly and Repair ...

Страница 104: ...lude the following Operating Checklist on page 103 Types of Service Available on page 104 Repackaging for Shipment on page 105 Cleaning on page 105 Electrostatic Discharge ESD Precautions on page 106 Surface Mount Repair on page 106 Troubleshooting Hints on page 107 Self Test Procedures on page 109 Mechanical Disassembly on page 112 Replaceable Parts on page 124 ...

Страница 105: ...ears blank but front panel keys are lit and the fan is working the display screen saver may be enabled Press any key to restore the display If the display appears blank but front panel keys are lit and the fan is working the display contrast setting may be too low Use the menu to set the display contrast Does the instrument fail self test Remove all external connections to the instrument Errors ma...

Страница 106: ... obtain service for your instrument in warranty under service contract or post warranty contact your nearest Keysight Technologies Service Center They will arrange to have your unit repaired or replaced and can provide warranty or repair cost information where applicable To obtain warranty service or technical support information you can contact Keysight Technologies at one of the following teleph...

Страница 107: ...ckaging material for shipping Secure the container with strong tape or metal bands If the original shipping container is not available place your unit in a container which will ensure at least 4 inches of compressible packaging material around all sides for the instrument Use static free packaging materials to avoid additional damage to your unit Keysight suggests that you always insure shipments ...

Страница 108: ... conductive work area to reduce static charges Use a conductive wrist strap to reduce static charge accumulation Minimize handling Keep replacement parts in original static free packaging Remove all plastic foam vinyl paper and other static generating materials from the immediate work area Use only anti static solder suckers Surface Mount Repair Surface mount components should only be removed usin...

Страница 109: ...quipment such as a 6 digit multimeter Unit is Inoperative Verify that the ac power cord is connected to the instrument Verify that the front panel On Standby switch has been pushed Is the display working If the display appears blank but front panel keys are lit and the fan is working the display screen saver may be enabled Press any key to restore the display If the display appears blank but front...

Страница 110: ...ut voltage Disconnect the main supply from the A1 circuit board to test Always check the supply is free of oscillations using an oscilloscope The main power supply provides an input fuse type UL IEC127 rated 250VAC H 3 15A to protect against the danger of fire in the event of a failure of the power supply circuitry However this fuse will not fail open or blow in normal power supply operation The f...

Страница 111: ...sts of tests 601 through 632 Complete Self Test To perform a complete self test 1 Press on the front panel 2 Select the Self Test softkey from the Test Cal menu A complete description of the self tests is given in the next section The instrument will automatically perform the complete self test procedure when you release the key The self test will complete in approximately 30 seconds If the self t...

Страница 112: ...bank This error indicates the modulation memory bank in the synthesis IC has failed 606 Self test failed cross isolation interface This error indicates that the cross isolation interface between the main processor and Synthesis IC has failed or that the synthesis IC itself has failed 619 to 621 623 to 625 619 Self test failed leading edge DAC 620 Self test failed trailing edge DAC 621 Self test fa...

Страница 113: ... or gain These self tests use the internal ADC to verify that attenuators are operating properly 630 Self test failed internal ADC over range condition This error indicates a probable ADC failure The failure could be of the system ADC the ADC input multiplexer or the ADC input buffer amplifier 631 Self test failed internal ADC measurement error This error indicates a probable ADC failure The failu...

Страница 114: ...ar panel BNC connectors The following tools may also be needed if further disassembly is required 7 mm nut driver rear panel GPIB connector WARNING SHOCK HAZARD Only service trained personnel who are aware of the hazards involved should remove the instrument covers To avoid electrical shock and personal injury make sure to disconnect the power cord from the instrument before removing the covers So...

Страница 115: ...y 4 6 General Disassembly Procedure 1 Turn off the power Remove all cables from the instrument 2 Rotate the handle upright and pull off 3 Pull off the instrument bumpers 4 Loosen the two captive screws in the rear bezel and remove the rear bezel Loosen Screws ...

Страница 116: ...ly and Repair Mechanical Disassembly 6 5 Slide off the instrument cover 6 Remove the two screws securing the power supply deck to the chassis Lift off the deck The power supply assembly is attached to the deck Slide Cover Off ...

Страница 117: ...rmed without further disassembly Troubleshooting and service procedures that require power be applied can be performed with the instrument in this state of disassembly WARNING SHOCK HAZARD Only service trained personnel who are aware of the hazards involved should remove the instrument covers Dangerous voltages may be encountered with the instrument covers removed ...

Страница 118: ... cover and power supply and lift from the deck Slightly spread the ends of the power supply cover and slide the power supply out of the cover Disconnect the line input ground and output cables from the power supply The main power supply should be replaced as an assembly WARNING Always be sure to re attach the green ground wire to the power supply before operating the instrument Captive screw ...

Страница 119: ...1 Gently lift both ends of the flat flex cable connector actuator and disconnect the cable from the main PC board A1 assembly Caution To prevent damage to the cable and connector use care when lifting the actuator Excessive or uneven force may damage the actuator or connector Flat Flex Cable A1 ...

Страница 120: ...118 Chapter 6 Disassembly and Repair Mechanical Disassembly 6 2 Remove the two screws from the front edge of the main PC board A1 assembly ...

Страница 121: ...l Disassembly 4 6 3 Push the side flanges of the chassis inward while lifting off the front panel There should now be enough play in the chassis sides and front panel assembly to allow the side of the front panel to be disconnected from the chassis ...

Страница 122: ...Disassembly and Repair Mechanical Disassembly 6 Front Panel Disassembly 1 Loosen the captive screw holding the support plate Lift the end of the support plate and rotate out of the front panel assembly Captive Screw ...

Страница 123: ...embly Gently lift both ends of the flat flex cable connector actuator and disconnect the cable from the PC board Lift out the display assembly Caution To prevent damage to the cable and connector use care when lifting the actuator Excessive or uneven force may damage the actuator or connector Flat Flex Cable Inverter Cable A2 ...

Страница 124: ...122 Chapter 6 Disassembly and Repair Mechanical Disassembly 6 3 Pull to remove the knob Lift out the keyboard PC board A2 assembly A2 ...

Страница 125: ...sic instrument Option 001 Remove the hex nuts and washers holding the rear panel 10 MHz In and 10 MHz Out BNC connectors Pull the External Timebase PC board A3 assembly from the back panel as shown below Then unplug the captive ribbon cable from the keyed connector on the main PC board J601 on the A1 assembly Remove the A3 assembly from the chassis A3 ...

Страница 126: ... of each part with applicable Keysight part number To Order Replaceable Parts You can order replaceable parts from Keysight using the Keysight part number Note that not all parts listed in this chapter are available as field replaceable parts To order replaceable parts from Keysight do the following 1 Contact your nearest Keysight Sales Office or Service Center 2 Identify the parts by the Keysight...

Страница 127: ...nc BNC 1252 2161 GPIB Connector 1253 5030 LAN Connector 2090 0886 Display 33210 60201 Front Panel 33210 80001 Opt 001 Retrofit Kit 33220 66502 Front Panel PCB 33220 67601 Assembly Line Filter 33220 68501 Fan Assembly 33220 84101 Cover 33220 87910 Power Supply Assembly 33220 88304 Rear Bezel 33250 49301 Window 33250 87401 Knob 34401 45021 Handle 34401 86020 Bumper Kit ...

Страница 128: ...126 Chapter 6 Disassembly and Repair Replaceable Parts 6 ...

Страница 129: ...7 7 Backdating ...

Страница 130: ...28 7 Backdating This chapter normally contains information necessary to adapt this manual to instruments not directly covered by the current content At this printing the manual applies to all instruments ...

Страница 131: ...This information is subject to change without notice Keysight Technologies 2008 2014 Edition 2 November 2014 33210 90010 33210 90010 www keysight com ...

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