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This command sets the AM and FM modulating waveform

frequency

Arguments

Type: Numeric.

Units: MHz, KHz, Hz (default)

Range: Fmax = 20 KHz

Fmin = 0.01 Hz

Command Type: Setting or Query

Setting

Syntax: MODFR<ws><frequency>[units]

MODFR<ws>MINimum|MAXimum

Examples: MODFR 5KHZ

MODFR 5E3

MODFR MAXIMUM

MODFR MIN

Query

Syntax: MODFR?[<ws>MAXimum|MINimum]

Examples: MODFR?

MODFR? MAX

Response: NR3

MODSHape

This command selects the modulating waveform shape

Arguments

Type: Character

Options: SINusoid, TRIangle, SQUare

Command Type: Setting or Query

Setting

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Summary of Contents for 4014B

Page 1: ...Model 4014B 4040B DDS Function Generator USER MANUAL www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com...

Page 2: ...ment is grounded through the ground conductor of the supplied three conductor ac power cable The power cable must be plugged into an approved three conductor electrical outlet Do not alter the ground...

Page 3: ...maintained WARNINGS AND CAUTIONS WARNING and CAUTION statements such as the following examples denote a hazard and appear throughout this manual Follow all instructions contained in these statements...

Page 4: ...ated voltage can destroy the AC line fuses For continued fire protection replace fuses only with those of the specified voltage and current ratings CAUTION This product uses components which can be da...

Page 5: ...l 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 dispo...

Page 6: ...osition of the power switch when instrument is ON Off Power This is the Out position of the power switch when instrument is OFF On Supply This is the AC mains connect disconnect switch at the back of...

Page 7: ...following standards Low Voltage Directive EN61010 1 2010 Safety requirements for electrical equipment for measurement control and laboratory use Part 1 EMC Directive EN61326 1 2006 EN61000 3 2 2006 A2...

Page 8: ...7 2 6 Fuse Replacement 18 2 7 Grounding Requirements 18 2 8 Signal Connections 19 3 OPERATING INSTRUCTIONS 20 3 1 General Description 20 3 2 Display Window 21 3 3 Front Panel Controls 22 3 4 Connector...

Page 9: ...ut 40 3 13 3 Using Voltage Offset 40 3 13 4 Storing and Recalling a Waveform Generator Setup 40 4 PROGRAMMING 42 4 1 Overview 42 4 1 1 Connecting to USB Virtual COM Interface 42 4 1 2 USB Virtual COM...

Page 10: ...orting 56 4 7 1 The Error Queue 56 4 7 2 Error Codes 57 4 8 COMMON COMMANDS 61 4 8 1 System Data Commands 61 4 8 2 Internal Operation Commands 62 4 8 3 Device Trigger Commands 62 4 8 4 Stored Settings...

Page 11: ...erate stable and precise sine square and triangle waveforms Both models also provide linear and logarithmic sweep for users needing sweep capability An auxiliary TTL output at the generator s frequenc...

Page 12: ...practically available in electronic laboratories applied to the main output connector Waveform Characteristics Harmonic Distortion 0 1 MHz 60 dBc 1 MHz 5 MHz 50 dBc 5 MHz 12 MHz 45 dBc 0 1 MHz 60 dBc...

Page 13: ...sine square or triangle waveform External 5 Vp p for 100 modulation 10 k input impedance Frequency Modulation Internal 0 1 Hz 20 kHz sine only 0 1 Hz 20 kHz sine square or triangle waveform External...

Page 14: ...95 RH 0 C 30 C Dimensions 213 mm x 88 mm x 210 mm WxHxD Weight Approx 2 5 kg Safety Standards EN55011 for radiated and conducted emissions EN55082 EN61010 For square wave resolution is up to 4 digits...

Page 15: ...ical damage that may have occurred during transportation Report any damage to the shipping agent immediately Save the original packing carton for possible future reshipment Every generator is shipped...

Page 16: ...ow can assure removing about 15 W of power dissipation 2 5 Power Requirements The function generators can be operated from any source of 90V to 264V AC frequency from 48Hz to 66Hz The maximum power co...

Page 17: ...the fuse box slit to pull and slide out the fuse box as indicated below 3 Check and replace fuse if necessary 2 7 Grounding Requirements For the safety of operating personnel the instrument must be g...

Page 18: ...NE ALL CABLES AND CONNECTIONS BETWEEN THE UNIT AND THE FACILITY POWER FOR A CONTINUOUS EARTH GROUND PATH THE POWER CABLE MUST MEET IEC SAFETY STANDARDS 2 8 Signal Connections Use RG58U 50 or equivalen...

Page 19: ...ntrols for the instrument local operation are located on the front panel 1 Power Button Power ON OFF unit 2 LCD Display Displays all instrument data and settings 3 Function Keys F1 F4 function keys to...

Page 20: ...Main output 12 SYNC OUT BNC Sync output 13 UTIL Button Utility menu 14 MODUL Button Selects Modulation menu 15 SWEEP Button Selects Sweep function menu 16 MODE Button Selects Trigger mode menu 3 2 Dis...

Page 21: ...the displayed item Changes take effect immediately 3 4 Connectors The function generator has two BNC connectors on the front panel where you can connect coaxial cables These coaxial cables serve as c...

Page 22: ...le loads more than 50 increase waveform amplitude Excessive distortion or aberrations caused by improper termination are less noticeable at lower frequencies especially with sine and triangle waveform...

Page 23: ...scilloscope vertical input connect the transmission line to a 50 attenuator a 50 termination and to the oscilloscope input The attenuator isolates the input capacitance of the device and terminates th...

Page 24: ...ffset Selects and displays the offset parameter Change the offset by using the cursor keys rotary knob or numerical keys If a certain setting cannot be produced the waveform generator will display a S...

Page 25: ...or duty cycle Square by using the cursor keys rotary knob or numerical keys If a certain setting cannot be produced the waveform generator will display a warning message Square Menu 3 6 2 MODE Key Se...

Page 26: ...iggers one output cycle of the selected waveform for each trigger event F3 Gated Triggers output cycles as long as the trigger source asserts the gate signal F4 Burst Triggers N number of output cycle...

Page 27: ...cts the internal trigger generator as the trigger source Change the internal trigger rate displayed with the rotary input knob F3 External Selects the external trigger signal as the trigger source The...

Page 28: ...29 1 each trigger The N value can be changed from 2 to 65 535 Burst Menu 3 6 3 UTILITY Key www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com...

Page 29: ...er Change the buffer number by using the data keys or the rotary input knob Valid storage buffer numbers range from 4014B 1 to 9 4040B 1 to 19 F3 Out On Def Selects the OUTPUT state on power up Select...

Page 30: ...Mode and allows entering of sweep parameters Sweep Start Sweep Stop and Sweep Rate To select the sweep mode press SWEEP then press the function key that corresponds to the desired Sweep menu option as...

Page 31: ...p function F2 Linear Selects the Linear sweep shape F3 Logarithmic Selects the Logarithmic sweep shape F4 Set Defines the Sweep Start and Stop frequencies www GlobalTestSupply com Find Quality Product...

Page 32: ...elects the AM or FM Modulation mode To select the output mode press MODUL key then press the function key that corresponds to the desired menu option as shown www GlobalTestSupply com Find Quality Pro...

Page 33: ...34 Modulation Menu Press F2 to select AM menu AM Menu www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com...

Page 34: ...odulating waveform between Sine Square or Triangle For model 4014B only Sine is available F4 External Selects and enables the external modulation by an external signal applied to the Modulation In con...

Page 35: ...lation In connector in the rear panel 3 7 ON Key Use this key to control the main output signal When the output is active the ON key will be lit By default this will be ON enabled from a power up This...

Page 36: ...gnostic self test procedure to check itself for errors If an error is found an error code and text will appear in the display window Other error codes appear when you enter an invalid front panel sett...

Page 37: ...rigger Trig Rate 10 ms Internal trigger rate 3 11 Memory The waveform generator uses non volatile flash memory for storing the front panel settings 4014B Up to 10 front panel settings can be stored in...

Page 38: ...d 3 13 Quick Start This section explains how to generate various waveforms and modify the output waveform Generating a waveform output Modifying waveform output Storing and recalling a waveform genera...

Page 39: ...ct a waveform to display its menu 2 Press F3 Offset to display the offset setting 3 Use the rotary input knob or the numerical keys to set the voltage offset To turn the voltage offset OFF repeat the...

Page 40: ...The function generator will overwrite and store settings into a buffer that had settings previously stored inside without a warning Recalling Setups To recall stored front panel setup 1 Press UTILITY...

Page 41: ...ion please follow the steps below For Windows 7 1 The USB driver is included in the CD that comes with the instrument You can also go to and browse this product s page to find and download the USB dri...

Page 42: ...up the start button and right click Computer and select Properties Click Device Manager link on the top left of the side menu 6 There will be an item listed under Other devices labeled AT91USBSerial...

Page 43: ...ce drivers on my computer 8 Now there will be a window listing Common hardware types Click the Next button and select on the following screen Have Disk 9 From the Install From Disk window click Browse...

Page 44: ...en you get the following prompt select Install this driver software anyway 12 The driver will now install Once finished under Device Manager you should see under Ports COM LPT an item labeled BK Preci...

Page 45: ...following screen will appear 4 Select No not this time and click Next 5 In the following screen select Install from a list or specific location Advanced and click Next 6 In the next screen select Don...

Page 46: ...the website labeled atm6124_cdc inf Select it and click OK 9 The following screen will appear 10 Click Next and a prompt will appear www GlobalTestSupply com Find Quality Products Online at sales Glo...

Page 47: ...ght click My Computer Select Properties Select Hardware tab Click Device Manager you should see under Ports COM LPT an item labeled BK Precision USB to Serial Converter COM The COM is the com port tha...

Page 48: ...evice may be in one of the two possible states described below 4 2 1 Local State LOCS In the LOCS state the device may be operated from the front panel 4 2 2 Remote State REMS In the REMS state the de...

Page 49: ...e device can remove the bytes and decode them the bus handshake CTS RTS is used to pause data transfer until room has been made for more bytes in the buffer This prevents the controller from overrunni...

Page 50: ...d is as follows BK MODEL 4040B 0 V0 1 The V0 1 reflects the firmware version number and will change accordingly 4 5 Instrument Reset The RST common command effects an instrument reset to the factory d...

Page 51: ...consists of ASCII character mnemonics Two types of Program Headers are used in the MODEL 4040B Instrument control headers and Common Command and Query headers Common Command and Query Program Headers...

Page 52: ...f program data are accepted depending on the command The Program Data types used in the instrument are i Character program data This form of data is comprised of a mnemonic made up of lower or upper c...

Page 53: ...al cases of Character Data Numeric values may be specified in any of Integer Fixed Point or Floating Point format All parameters which have associated units accept a suffix which may be specified usin...

Page 54: ...which in turn is followed by optional white space characters There are two types of Program Message Units Command Message Units and Query Message Units A Query differs from a Command in that the Prog...

Page 55: ...ueue from where it may be read by the controller NOTE All commands should be terminated with a CR carriage return or LF line feed character Any response string from a query command has both CR and LF...

Page 56: ...strument The error message is returned in the form error number error description A table of error numbers and their descriptions is presented here No error reported 0 No error Command Errors A comman...

Page 57: ...no more than 12 characters 113 Undefined header 120 Numeric data error 121 Invalid character in number 123 Exponent too large 124 Too many digits 128 Numeric data not allowed A different data type was...

Page 58: ...e or due to a device condition 200 Execution error An attempt was made to RECALL the contents of an uninitialized stored setting buffer 211 Trigger ignored The TRG common command was ignored due to th...

Page 59: ...have been lost due to more than 10 errors being reported without being read Query Errors A query error indicates that the output queue control has detected a problem This could occur if either an atte...

Page 60: ...rigger rate short 510 Output overload Trigger rate short means that the period of the waveform is larger than the value of the internal trigger rate Thus not every trigger will generate a cycle or bur...

Page 61: ...o the factory default power up state Type Common Command Syntax RST 4 8 3 Device Trigger Commands a TRG Trigger command This command is analogous to the IEEE 488 1 Group Execute Trigger interface mess...

Page 62: ...rguments Type NRf Range 0 to 9 4014B 0 to 19 4040B Non integer values are rounded before execution Type Common Command Syntax RCL ws NRf Example RCL 0 Recall default state RCL 9 SAV Save instrument st...

Page 63: ...the hierarchy within that subsystem When the command is to be referred to the Root node it should be prefixed with a colon Mnemonics appearing in square brackets are optional The character is used to...

Page 64: ...ncy numeric value AMPLitude numeric value OFFSet numeric value DCYCle numeric value OUTPUT ON OFF MODULation OFF AM FM INT EXT DEPTh numeric value MODFRequency numeric value MODSHape SIN TRI SQU DEVia...

Page 65: ...or TRI 0 1 Hz to 1 MHz Rounding The value is rounded to 5 digits or 100 mHz Command Type Setting or Query Setting Syntax FREQuency ws frequency units FREQuency ws MINimum MAXimum Examples FREQ 5KHZ FR...

Page 66: ...the relation Peak Amplitude Offset 5V Arguments Type Numeric Units V mV VPP mVPP Range 10mV to 10V Rounding 1mV for 10mV to 999mV 10mV for 1V to 10V Command Type Setting or Query Setting Syntax AMPLi...

Page 67: ...to set the DC offset of the output waveform Note that the amplitude and the offset are limited by the relation Peak Amplitude Offset 5V Arguments Type Numeric Units V mV Range 10mV to 5V Rounding To 1...

Page 68: ...used to set the type of waveform to be generated by the instrument Command Type Setting or Query Setting Syntax FUNCtion ws SIN SQU TRI Examples FUNC SIN FUNC TRI Query Syntax FUNCtion Examples FUNC...

Page 69: ...whether the output is ON or OFF Arguments Type Boolean Command Type Setting or Query Setting Syntax OUT ws ON 1 OFF 0 Examples OUT ON OUT 1 Query Syntax OUT Response 0 1 MODULation This command activa...

Page 70: ...pth in Arguments Type Numeric Units none implied Range 0 to 100 Rounding To integer Command Type Setting or Query Setting Syntax DEPTh ws percent depth DEPTh ws MINimum MAXimum Examples DEPTh 50 Query...

Page 71: ...ncy units MODFR ws MINimum MAXimum Examples MODFR 5KHZ MODFR 5E3 MODFR MAXIMUM MODFR MIN Query Syntax MODFR ws MAXimum MINimum Examples MODFR MODFR MAX Response NR3 MODSHape This command selects the m...

Page 72: ...Numeric Units MHz KHz Hz default Range Fmax carrier frequency Fmin 0 01 Hz Command Type Setting or Query Setting Syntax DEViation ws frequency units DEViation ws MINimum MAXimum Examples DEV 5KHZ DEV...

Page 73: ...F LIN ON LIN OFF LOG ON LOG OFF Note Sweep will automatically be active if set to Linear or Logarithmic SWRAte This command sets the time for one complete sweep Arguments Type Numeric Units S mS uS nS...

Page 74: ...range of the current function Command Type Setting or Query Setting Syntax SWSTArt ws frequency units SWSTArt ws MINimum MAXimum Examples SWSTArt 5KHZ SWSTArt 5E3 SWSTArt MAXIMUM SWSTArt MIN Query Sy...

Page 75: ...units SWSTOp ws MINimum MAXimum Examples SWSTOp 5KHZ SWSTOp 5E3 SWSTOp MAXIMUM SWSTOp MIN Query Syntax SWSTOp ws MAXimum MINimum Examples SWSTOp SWSTOp MAX Response NR3 MODE trigger mode This command...

Page 76: ...r source This command is used to select the trigger source for use in the Trigger Gate and Burst trigger modes Arguments Type Character Command Type Setting or Query Setting Syntax TRIGger ws INT EXT...

Page 77: ...er value Command Type Setting or Query Setting Syntax BURSt ws value Examples BURS 100 BURS MAXIMUM Query Syntax BURSt ws MAXimum MINimum Response NR1 Examples BURST BURS MAX TRAte trigger rate Sets t...

Page 78: ...IN Query Syntax TRAte ws MINimum MAXimum Response NR3 Examples TRAte TRAte MIN ERRor This query returns the first entry in the error queue and removes that entry from the queue Command Type Query only...

Page 79: ...and accessories that you are using with the device Customers not on an open account must include payment in the form of a money order or credit card For the most current repair charges please refer t...

Page 80: ...ation for your new instrument via our website Exclusions This warranty does not apply in the event of misuse or abuse of the product or as a result of unauthorized alterations or repairs The warranty...

Page 81: ...6 Errors 38 factory default 37 frequency 25 Impedance Matching 24 LCD 21 Linear 32 Offset 25 recall 41 safety 2 Specifications 11 store 41 Symmetry 26 Sync Out 23 www GlobalTestSupply com Find Quality...

Page 82: ...2013 B K Precision Corp V112713 www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com...

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