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WF1966

8-1

Section 8 Specifications

8.1 Waveform and output characteristics ·········································································8-2
8.2 Output voltage ···········································································································8-4
8.3 Other functions ··········································································································8-5
8.4 Initialized settings······································································································8-11
8.5 Remote control ··········································································································8-12
8.6 Options ······················································································································8-13
8.7 General items·············································································································8-14

External drawing································································································8-15

Guaranteed values are shown with tolerance, values without tolerance are for reference.

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Summary of Contents for wf1966

Page 1: ...INSTRUCTION MANUAL NF Corporation WF1966 MULTIFUNCTION SYNTHESIZER...

Page 2: ......

Page 3: ...DA00008200 002 WF1966 2CH 50MHz SYNTHESIZER Instruction Manual...

Page 4: ......

Page 5: ...Refer to a separate volume for a description of remote control Section 1 Overview Provides a general description of the equipment and a simple outline of the operating principles Section 2 Preparation...

Page 6: ...device to the electric ground which ground resistance is less than 100 Confirm power source voltage Before connecting this equipment check that the proper voltage is being supplied to the power outlet...

Page 7: ...itions of the symbols and indications used in the text and on the product Advises of possible hazard to the user as well as the need to consult this manual when using an operation or function Appears...

Page 8: ......

Page 9: ...d repacking 2 2 Options 2 2 2 2 Power source and grounding 2 3 Grounding 2 3 Line filter 2 3 Power source 2 3 Power supply fuse 2 5 2 3 Installation 2 6 Cautions 2 6 Installation conditions 2 6 Panel...

Page 10: ...Amplitude setting 3 25 DC offset setting 3 26 Phase setting 3 27 Squarewave rise time fall time setting tr tf 3 28 Output on off 3 29 Operation tree 3 30 z Section 4 Applications 4 1 4 1 Burst oscill...

Page 11: ...Frequency Hz setting by period s 5 2 Squarewave duty setting 5 3 Squarewave pulse width setting 5 6 Amplitude and DC offset setting by high and low level 5 7 5 2 Units 5 9 Engineering unit m k M displ...

Page 12: ...7 3 7 3 Performance tests 7 5 Performance tests 7 5 Preparatory checks 7 5 Test preparation 7 5 Frequency accuracy 7 5 Amplitude accuracy 7 6 DC offset accuracy 7 6 Amplitude vs frequency characteris...

Page 13: ...WF1966 1 1 Section 1 Overview 1 1 Features 1 2 1 2 Operating principles 1 3 Block diagram 1 3 1 3 Function outline 1 4 Main functions 1 4 Function tree 1 6...

Page 14: ...requency change and frequency sweep are coupled with phase avoiding waveform cutoff z Unpredicted voltage is not produced during amplitude change Since the output range is fixed the amplitude can be c...

Page 15: ...sets of circuits for DDS and analog compose two channels z An isolation circuit is inserted between the CPU and DDS causing the analog circuit to float z The DDS Direct Digital Synthesizer uses an ori...

Page 16: ...variable duty rising sawtooth descending sawtooth or arbitrary ARB Frequency setting The frequency can be set by the keypad or modify dial The period i e inverse of frequency can also be set The duty...

Page 17: ...and duty for setting and displaying these in desired units The units can be expressed by up to 4 desired characters Setting store and recall The settings for frequency amplitude etc can be stored and...

Page 18: ...the following page Channel selection CH1 CH2 both channels simultaneously Oscillation mode Normal Burst Burst trigger gate triggered gate Sweep Sweep mode Single continuous gated Sweep type Frequency...

Page 19: ...nication GPIB USB Others Error display Output state setting at power on SYNC OUT sweep synchronized output Trigger gate sweep start input Sweep stop restart input Sweep X DRIVE output Sweep marker out...

Page 20: ......

Page 21: ...acking and repacking 2 2 Options 2 2 2 2 Power source and grounding 2 3 Grounding 2 3 Line filter 2 3 Power source 2 3 Power supply fuse 2 5 2 3 Installation 2 6 Cautions 2 6 Installation conditions 2...

Page 22: ...1 Time lag 250 V 5 2 20 mm For information on how to use 0105 Arbitrary Waveform Editor refer to the CD ROM of the 0105 When repacking the equipment for transportation use a packing carton having amp...

Page 23: ...plug Use the supplied power supply cable to connect to a 3 terminal power outlet that has a protective ground contact Line filter The WF1966 uses a line filter that incorporates the circuit below Beca...

Page 24: ...the back of the unit 4 Insert the power cable plug into a 3 terminal wall socket With a screwdriver move the slide control of the source voltage change over switch to the line indicating the source v...

Page 25: ...specified rating There is risk of fire from an improperly rated fuse Be sure to disconnect the power cable before replacing the fuse Fuse Time lag 2 A 100 115 V or time lag 1 A 230 V 250 V 5 2 20 mm...

Page 26: ...dity of 1 to 25 g m3 Ambient storage conditions 10 to 50 C 5 to 95 RH no condensation at an absolute humidity of 1 to 29 g m3 Avoid installing the equipment in the following types of locations z In di...

Page 27: ...1995 C EN61000 4 4 1995 EN61000 4 5 1995 EN61000 4 11 1994 B The phase synchronization SYNC operation may be required because the phase difference between channels is caused by the electrostatic disch...

Page 28: ...2 8 WF1966 2 5 Calibration Section 7 3 the Performance tests are recommended at least once a year These should also be conducted before important tests and measurements...

Page 29: ...put EXT AM IN 3 5 Synchronous operation input and output SYNC IN OUT 3 5 3 3 Basic operation 3 5 Setting initialize PRESET 3 5 Channel mode selection CHANNEL MODE 3 5 Channel modes and settings 3 5 Ch...

Page 30: ...3 2 WF1966 3 1 Panel description This section describes the indications and functions of the front and rear panels of the WF1966...

Page 31: ...3 1 Panel description WF1966 3 3 Front panel...

Page 32: ...3 1 Panel description 3 4 WF1966 Rear panel...

Page 33: ...5 Vp 50 load 1 V range Approx 1 0 Vp open 1 V range Approx 0 5 Vp 50 load If the internal circuit is overloaded by the output voltage the Over lamp lights Although the operation is not a failure the l...

Page 34: ...the chassis Avoid shorting the output or applying an external signal The unit can be damaged Output connection note The SYNC OUT impedance is 50 By using coaxial cable with 50 characteristic impedance...

Page 35: ...s also produced in the Function Out waveform Phase definition Rising and falling edge hysteresis zones vary with phase history Above 100 kHz with stop level off At other times see example below Approx...

Page 36: ...output cf 4 Modulation mode MODU High level when modulation waveform phase is above 0 and less than 180 degrees Low level above 180 and below 360 degrees Waveform example during internal AM modulation...

Page 37: ...ox 10 k Ground Connected to chassis ground Do not apply a signal exceeding the above input voltage range The unit can be damaged Drive circuit examples Connect the trigger and sweep input drive signal...

Page 38: ...ground Do not apply a signal exceeding the above input voltage range The unit can be damaged Driver circuit example 3 2 Input and output connectors Trigger sweep input Sweep X DRIVE output SWEEP X DRI...

Page 39: ...ommended load 1 k or more Ground Connected to chassis ground Avoid shorting the output or applying an external signal The unit can be damaged External add input EXT ADD IN Input voltage Within 5 V Inp...

Page 40: ...hus phase error of 0 1 degree at approx 8 kHz and 1 degree at approx 80 kHz Description The clock is sent from Master to Slave secondary to Slave tertiary The delay per unit is approximately 17 nanose...

Page 41: ...any product that will not be used If possible simultaneously switch on all products that are connected by the sync transfer cables If simultaneous switch on is not possible switch on products in succ...

Page 42: ...ESET The operation of initializing all settings is described This instruction manual presumes operation directly after initializing Operation Press the SYSTEM key then use the and keys to produce the...

Page 43: ...DELAY 0 3 s When TYPE TRIG MARK 1 0 When TYPE BURST TRIG SPACE 1 0 When TYPE BURST STOP LEVEL OFF 0 at ON MODE BURST OPER COMMO N OFF Both channels MODE BURST TYPE TRIG GATE or T GATE same TYPE TYPE F...

Page 44: ...1000 Hz MODE MODU TYPE AM DEPTH 50 MODE MODU TYPE OFSM DEVIATION 0 2 V MODE MODU TYPE PM DEVIATION 90 deg MODE MODU TYPE PWN DEVIATION 20 ENTRY FREQ 1000 Hz ENTRY AMPTD 0 1 Vp p ENTRY OFFSET 0 V ENTRY...

Page 45: ...0 kHz CH2 2 kHz 11 kHz Frequency sweep and frequency modulation settings are at the fixed frequency difference 5 5 Other settings Fixed frequency difference 2TONE cf RATIO fixed frequency ratio CH1 an...

Page 46: ...xample I N D E P 2 P H A S E 2 T O N E 4 SELECT CHANNEL MODE Press the ENTER key to change the mode The 2PHASE lamp above the CHANNEL MODE key lights This completes channel mode change Other When the...

Page 47: ...y and OTHER indicates other than this 5 Control operation is common between channels Channel mode 2PHASE 2TONE RATIO INDEP FREQ other FREQ other FREQ other DIFF Key operation Menu name 5 5 5 5 5 5 Not...

Page 48: ...e MODE MODU TYPE DEVIATION DEPTH FREQ FUNCTION OPER COMMON ON 6 ON 6 ON 6 ON 6 When both channels are MODU MODE NOISE MODE DC ENTRY FREQ ENTRY AMPTD ENTRY OFFSET ENTRY PHASE ENTRY WIDTH ENTRY DUTY ENT...

Page 49: ...taneously The displayed unit and auxiliary unit are the same as those of the preceding CH2 While CH1 is flashing however the value of CH2 is different from the displayed value Also while CH2 is flashi...

Page 50: ...DC DC output 3 3 Basic operation DC offset setting cf Operation The selected oscillation mode is indicated in the STATUS area which is located to the left of MODE key When the MODE key is pressed the...

Page 51: ...lamp lights and at the same time the lamp of every key located to the right of the FUNCTION key lights The lamp of the selected waveform blinks To select another waveform one whose key lamp is already...

Page 52: ...press the BS key before pressing the k key After setting press the EXIT key to exit the setting mode 2 Modify dial This is convenient for continuously setting the frequency Press the ENTRY key then th...

Page 53: ...fy dial The amplitude can be changed continuously Press the ENTRY key then the AMPTD key Select the digit to be changed with the and keys Turn the MODIFY dial to set the flashing digit After setting p...

Page 54: ...is produced DC offset O F S 0 0 0 0 0 V 1 0 0 0 0 0 0 0 0 0 k H z A 2 0 0 0 0 V p p OPEN Frequency Amplitude Press the key then the ENTER key To correct an entry press the BS key before pressing ENTE...

Page 55: ...ample set 90 degrees as follows Press the ENTRY key then the PHASE key The following display is produced Phase P H S 0 0 0 0 d e g 1 0 0 0 0 0 0 0 0 0 k H z A 2 0 0 0 0 V p p OPEN Frequency Amplitude...

Page 56: ...onvenient when the values have been determined beforehand For example set 100 ns as follows Press the ENTRY key then the tr tf key The following display is produced Rise time fall time t r t f 7 0 0 n...

Page 57: ...may change accordingly Output on off Output on off setting is described Operation Press the ON OFF CH 2 OUT CH 1 OUT ON OFF key The setting alternates between on and off each time the key is pressed...

Page 58: ...ion mode NORMAL BURST SWEEP MODU NOISE DC BURST Menu TYPE Burst type BURST TRIG GATE T GATE SOURCE Trigger gate source selection DELAY Trigger delay For TYPE TRIG MARK Number of times signal present F...

Page 59: ...ART STATE Start state STOP STATE Stop state OPER COMMON Simultaneous operation of both channels When sweeping both channels SWEEP Operation START STOP PAUSE MODU Menu Internal modulation TYPE Modulati...

Page 60: ...eration menus RANGE Select output range AUTO 10V 1V PRESET Initialization USER UNIT User unit menu TYPE Setting target FREQ PERIOD AMPTD OFFSET PHASE DUTY NAME Unit name FORMULA Formula SCALE Multipli...

Page 61: ...Save setup memory RECALL Call setup memory CLEAR Clear setup memory LOCAL Return to local of GPIB UNDO Cancel setting EXIT Move to menu immediately above ENTER Accept input value Numeric input keypad...

Page 62: ......

Page 63: ...FM 4 10 Amplitude modulation AM 4 10 DC offset modulation OFSM 4 10 Phase modulation PM 4 10 Pulse width modulation PWM 4 10 4 4 Arbitrary Waveform 4 10 Arbitrary waveform ARB 4 10 4 5 Selecting wave...

Page 64: ...is set to 0 V the oscillation start phase is set to 0 degrees and the frequency and amplitude are set to arbitrarily defined values Operation 1 Set the burst oscillation TYPE to BURST Press the MODE...

Page 65: ...ting press the EXIT key once to exit mark cycle setting 3 Set SPACE cycle Use the and keys to produce the following display SPACE flashes 1 0 c y c l e BURST TYPE MARK SPACE STOP LEVEL Press the ENTER...

Page 66: ...shifted by half a cycle even though the frequency is set to less than 5 MHz If such a shift occurs set the continuous oscillation and then the burst oscillation Stop level off Oscillation stops at th...

Page 67: ...example is a triangular waveform DC offset 0 V oscillation start phase 0 degrees frequency and amplitude arbitrary 90 degrees Operation 1 Set the burst oscillation TYPE to TRIG Press the MODE key the...

Page 68: ...FY dial to select rising trigger indicates falling trigger After setting press the EXIT key once to release trigger source setting 3 Set DELAY time Use the and keys to produce the following display DE...

Page 69: ...to release mark cycle setting 5 Set STOP LEVEL Use the and keys to produce the following display STOP LEVEL flashes O F F TRIG 3 STOP LEVEL Press the ENTER key Turn the MODIFY dial to produce the fol...

Page 70: ...llowing trigger cycle for oscillation stop The trigger rate is common for CH1 and CH2 I N T 1 0 0 0 m s TRIG TYPE SOURCE DELAY MARK 4 Stop level off Oscillation stops at the phase set by ENTRY PHASE s...

Page 71: ...ce CH1 EXT EXT INT s INT s CH2 EXT CH2 EXT CH2 EXT CH1 EXT CH1 INT s INT s DELAY trigger delay s MARK oscillation cycle cycle STOP LEVEL stop level OFF ON OPER COMMON trigger in both channels OFF ON P...

Page 72: ...ollowing display with the and keys GATE flashes B U R S T T R I G G A T E 4 GATE TYPE SOURCE STOP LEVEL This sets the burst oscillation type for gate Press the EXIT key once to release the type settin...

Page 73: ...After setting press the EXIT key to release the setting mode The above selects sets burst oscillation type gate Oscillation occurs when a high level signal is applied to the TRIG SWEEP IN connector I...

Page 74: ...ls of the remote control command Remote Control Instruction Manual cf To simultaneously generate a gate signal for both channels manually or via remote control GPIB or USB set Type for both channels t...

Page 75: ...es frequency and amplitude arbitrary Stop level 100 0 Trigger signal TRIG SWEEP IN Oscillation starts at trigger Oscillation stops at end of a half cycle at next trigger Operation 1 Set burst oscillat...

Page 76: ...display STOP LEVEL flashes O F F T GATE TYPE SOURCE STOP LEVEL Press the ENTER key Turn the MODIFY dial to produce the following display ON flashes O N 0 0 0 T GATE TYPE SOURCE STOP LEVEL Press the ke...

Page 77: ...power on To generate the trigger signal via remote control GPIB or USB set the GET command or TRG command from the remote control interface Also set the trigger source to EXT For details of the remote...

Page 78: ...linearly and continuously is described The setting example is a sinewave with arbitrary amplitude and DC offset Operation 1 Set sweep MODE to SINGLE Press the MODE key then the SWEEP key Use the and k...

Page 79: ...ay FREQ flashes F R E Q A M P T D O F F S E T 4 F SWP TYPE SOURCE MODE 4 This sets the sweep type for frequency Press the EXIT key once to release the type setting mode 3 Select sweep FUNCTION Use the...

Page 80: ...ial For example set to 100 Hz After setting press the EXIT key once to release the start frequency setting mode 5 Set STOP frequency Use the and keys to produce the following display STOP flashes 1 0...

Page 81: ...ng mode 7 Sweep operation Sweep starts when the START key is pressed When sweep is started an existing output frequency is quickly changed to the start frequency If desiring to set the start frequency...

Page 82: ...on or a parameter change is 40 ms Otherwise it is 2 ms Power on or a sweep parameter setting change Stop value Dead time 100 ms Start value Trigger Trigger Triggers during dead time are ignored 40ms...

Page 83: ...STOP STATE Set output to start and stop values respectively Since sweep synchronization output becomes the respective start and stop states full scale adjustments of the recorder and the status of ext...

Page 84: ...MON is off O F F O N F SWP 3 OPER COMMON Sweep Mode Continuous MODE SWEEP MODE CONT In a Mode Continuous oscillation occurs by varying parameters such as the frequency and amplitude continuously betwe...

Page 85: ...the and keys to produce the following display TYPE flashes F R E Q A M P T D O F F S E T 4 F SWP TYPE MODE FUNCTION START 4 Press the ENTER key then use the and keys to produce the following display...

Page 86: ...4 Press the ENTER key Set the start amplitude with the key pad or MODIFY dial For example set to 1 Vp p After setting press the EXIT key once to release the start amplitude setting mode 5 Set the STO...

Page 87: ...quickly to the start amplitude To output the start amplitude beforehand press the STOP key Other operations Sweep stop Press the STOP key This becomes the sweep start value Sweep pause Press the PAUS...

Page 88: ...output 4 2 Sweep Sweep value and marker sync X DRIVE output cf If the sweep type TYPE is set to DUTY the output waveform automatically becomes a squarewave variable duty This makes it impossible to s...

Page 89: ...p form and oscillation stops is described The setting example is a sinewave with arbitrary amplitude and DC offset 0 Operation 1 Set sweep MODE to GATED Press the MODE key then the SWEEP key Use the a...

Page 90: ...EQ flashes F R E Q A M P T D O F F S E T 4 F SWP TYPE SOURCE MODE 4 This completes setting the sweep type to frequency Press the EXIT key once to release the setting mode 3 Select the sweep FUNCTION U...

Page 91: ...ial For example set to 100 Hz After setting press the EXIT key once to release the start frequency setting mode 5 Set the STOP frequency Use the and keys to produce the following display STOP flashes...

Page 92: ...t the STOP LEVEL Use the and keys to produce the following display STOP LEVEL flashes O F F F SWP 3 TIME STOP LEVEL CENTER 4 Press the ENTER key Turn the MODIFY dial to produce the following display O...

Page 93: ...4 2 Sweep WF1966 4 31 8 Start sweep Press the START key In this example sweep ends after 3 seconds and oscillation stops Again press the START key to sweep from the stop to the start frequency...

Page 94: ...sing or falling Supply an external signal to the front panel TRIG SWEEP IN connector Observe that retrigger is not accepted for 100 ms after sweep start E X T F SWP TYPE SOURCE MODE 4 External pause A...

Page 95: ...e status of external equipment can be checked 4 2 Sweep Sweep value and marker sync X DRIVE output cf If the sweep type TYPE is set to DUTY the output waveform automatically becomes a squarewave varia...

Page 96: ...the log function When start is changed Stop does not change CENTER START STOP 2 SPAN START STOP When stop is changed Start does not change CENTER START STOP 2 SPAN START STOP When center is changed Sp...

Page 97: ...value STOP sweep stop value or Sweep range setting CENTER sweep center value SPAN sweep width TIME sweep time s STOP LEVEL stop level Set when the sweep mode is GATED PHASE phase when oscillation sta...

Page 98: ...tion period 1 Modulation frequency Step number derivation when oscillation mode of only one channel is sweep or modulation Other times see next page 1 Sweep function is step Step number Sweep time s 1...

Page 99: ...e s 5000 round down even number if more than 1 6 ms 2 Sweep time more than 25 ms but 31 25 ms and less Step no 124 fixed Sweep time more than 31 25 ms Step no sweep time s 4000 2 Sweep type other than...

Page 100: ...the step number remains as in item 1 If the modulation type is set for frequency then the modulation waveform is changed the step number remains the same For example if changed from frequency to ampli...

Page 101: ...value Start value stop value Sweep value Sweep value Marker output Marker output Sync output Sync output X DRIVE output X DRIVE output High Marker Low High Low 5V 0V High Low High Marker Low High Low...

Page 102: ...stop value Start value stop value Start value stop value Start value stop value Sweep value Sweep value Marker output Marker output Sync output Sync output X DRIVE output X DRIVE output High Marker L...

Page 103: ...tion TYPE to frequency FM Press the MODE key then the MODU key Use the and keys to produce the following display TYPE flashes F M A M O F S M P M P W M FM TYPE DEVIATION FREQ FUNCTION Press the ENTER...

Page 104: ...IT key once to exit frequency deviation setting 3 Set the modulation FREQ Use the and keys to produce the following display FREQ flashes 1 0 0 0 0 H z FM TYPE DEVIATION FREQ FUNCTION Press the ENTER k...

Page 105: ...P key Resume modulation by pressing the START key During modulation if the oscillation mode of the other channel is changed modulation stops To start or stop modulation of both channels simultaneously...

Page 106: ...p Maximum amplitude 1 Vp p 5ms 200Hz Operation 1 Set modulation TYPE to amplitude modulation AM Press the MODE key then the MODU key Use the and keys to produce the following display TYPE flashes F M...

Page 107: ...ting mode 3 Set the modulated frequency frequency at which the amplitude changes FREQ Use the and keys to produce the following display FREQ flashes 1 0 0 0 0 H z AM TYPE DEPTH FREQ FUNCTION Press the...

Page 108: ...mum amplitudes Max amplitude Amplitude setting 2 1 depth 100 Min amplitude Amplitude setting 2 1 depth 100 At 0 depth the output amplitude is 1 2 the setting At 100 depth the output amplitude is the s...

Page 109: ...ge 0 15 V 4ms 250Hz Operation 1 Set modulation TYPE to DC offset OFSM Press the MODE key then the MODU key Use the and keys to produce the following display TYPE flashes F M A M O F S M P M P W M FM T...

Page 110: ...ey once to exit DC offset deviation setting 3 Set the modulated FREQ Use the and keys to produce the following display FREQ flashes 1 0 0 0 0 H z OFSM TYPE DEVIATION FREQ 4 Press the ENTER key Set the...

Page 111: ...rs at the setting at that time point To stop modulation Press the STOP key Resume modulation by pressing the START key During modulation if the oscillation mode of the other channel is changed modulat...

Page 112: ...plitude are set to arbitrarily defined values Operation 1 Set modulation TYPE to phase PM Press the MODE key then the MODU key Use the and keys to produce the following display TYPE flashes F M A M O...

Page 113: ...deviation setting mode 3 Set the modulation FREQ frequency with varying phase Use the and keys to produce the following display FREQ flashes 1 0 0 0 0 H z PM TYPE DEVIATION FREQ FUNCTION Press the ENT...

Page 114: ...me point To stop modulation Press the STOP key Resume modulation by pressing the START key During modulation if the oscillation mode of the other channel is changed modulation stops To start or stop m...

Page 115: ...to pulse width PWM Press the MODE key then the MODU key Use the and keys to produce the following display TYPE flashes F M A M O F S M P M P W M FM TYPE DEVIATION FREQ FUNCTION Press the ENTER key th...

Page 116: ...eviation setting 3 Set the modulation FREQ frequency with varying pulse width Use the and keys to produce the following display FREQ flashes 1 0 0 0 0 H z PWM TYPE DEVIATION FREQ FUNCTION Press the EN...

Page 117: ...um or minimum duties Max duty Duty setting pulse width deviation 2 Min duty Duty setting pulse width deviation 2 During modulation multiple pulses may be output in one cycle as shown below During modu...

Page 118: ...to be edited output SELECT Press the ARB EDIT key then use the and keys to produce the following display SELECT flashes 0 A R B _ 0 0 1 A R B _ 0 1 4 ARB SELECT NAME EDIT COPY 4 Press the ENTRY key t...

Page 119: ...ss the ARB EDIT key then use the and keys to produce the following display COPY flashes S I N 4 ARB SELECT NAME EDIT COPY 4 Press ENTER key then use the and keys to produce the following display SIN f...

Page 120: ...0 D T 0 0 0 0 0 ARB SELECT NAME EDIT COPY 4 Set the waveform address AD with the keypad or MODIFY dial For example set to 1024 Press the m key to produce the following display the asterisk is display...

Page 121: ...the starred addresses Press the EXIT key then use the and keys to produce the following display MARK CLEAR flashes 1 A R B _ 0 1 ARB 3 MARK CLEAR CLEAR SIZE Press the ENTER key twice to clear the int...

Page 122: ...form ARB EDIT NAME select ENTER then use the MODIFY dial to select the characters Shift position with and and input Up to 8 characters can be input Following are the usable characters a b c d e f g h...

Page 123: ...and keys to set the SYNC OUT waveform After setting press the EXIT key to release the SYNC OUT waveform setting mode When the oscillation mode is BURST STATE Low level during oscillation High level w...

Page 124: ...ION OUT SYNC OUT SYNC OUT STATE SYNC OUT SYNC OUT PHASE stopped When the oscillation mode is MODU STATE High level while modulation is stopped or the modulation wave is from 0 up to but not including...

Page 125: ...degrees 2 degrees approximately In particular note that when the oscillation mode is switched during a burst or gated sweep while oscillation is stopped the output level may vary or the waveform may...

Page 126: ...stepwise variations discontinuities are generated If such discontinuities are removed the remaining variations have the appearance shown below If as an extreme example the oscillation frequency is 1 k...

Page 127: ...Update interval 100 to 252 s If the sweep function FUNCTION is triangular and the change rate of phase is large Output waveform Extra pulses are produced The occurrence frequency when the sweep functi...

Page 128: ...z is called the equivalent noise bandwidth Noise density V Hz About 1 2 MHz 3dB a Frequency characteristics of noise generated by the WF1966 b Frequency characteristics of white noise 2 MHz Noise dens...

Page 129: ...xternal input 5 18 External add EXT ADD 5 18 External AM EXT AM 5 19 5 5 Other settings 5 20 Output range change use with fixed range 5 20 Output on off at power on 5 21 LOAD function equalize setting...

Page 130: ...ollowing display P 0 0 0 1 0 0 0 0 0 0 0 0 0 s A 0 1 0 0 0 V p p O 0 0 0 0 0 V O P E N Set the period with the keypad or MODIFY dial Other The period setting is frequency with the reciprocal less than...

Page 131: ...od width or duty is changed Change Frequency FREQ Period PERIOD Pulse width WIDTH Duty DUTY Frequency FREQ Changed Changed Unchanged Period PERIOD Changed Unchanged Changed Pulse width WIDTH Unchanged...

Page 132: ...dth becomes 100 ns or less jitter increases in comparison with the pulse width If the phase of the square wave fixed duty or square wave variable duty is changed multiple pulses may be output in one p...

Page 133: ...reflected starting at the next period The duty setting range for the square wave variable duty can be switched to 0 0000 to 100 0000 or 0 0100 to 99 9900 To set the duty in the range of 0 0000 to 100...

Page 134: ...her The table indicates the effects on other parameters when the frequency period width or duty is changed Change Frequency FREQ Period PERIOD Pulse width WIDTH Duty DUTY Frequency FREQ Changed Change...

Page 135: ...the ENTRY key then the HIGH key to produce the following display H I G H 0 0 5 0 0 V 1 0 0 0 0 0 0 0 0 0 0 H z L 0 0 5 0 0 V O P E N Set the High level with the keypad or MODIFY dial For example set...

Page 136: ...changed Changed Changed DC offset OFFSET Unchanged Changed Changed High level HIGH Changed Changed Unchanged Low level LOW Changed Changed Unchanged Due to the relationships between high and low level...

Page 137: ...d Operation Press the ENTRY key then the FREQ key 1 0 0 0 0 0 0 0 0 0 0 0 H z A 0 1 0 0 0 V p p O 0 0 0 0 0 V O P E N Press the k key to change the display as follows 1 0 0 0 0 0 0 0 0 0 0 0 k H z A 0...

Page 138: ...E N Turn the MODIFY dial to produce the following display A M P T D 0 0 3 5 4 V r m s 1 0 0 0 0 0 0 0 0 0 0 H z O 0 0 0 0 0 V O P E N Other The following units can be used Vp p Vrms dBV dBm 1 USER 2 1...

Page 139: ...keys to produce the following display USER UNIT flashes U S E R U N I T M E N U SYSTEM RANGE PRESET USER UNIT 4 Press the ENTER key then use the and keys to produce the following display TYPE flashes...

Page 140: ...H I J K L M N O P Q R S T U V W X Y Z 0 1 2 3 4 5 6 7 8 9 _ After inputting press the EXIT key once to release unit name setting 3 Select the FORMULA for example h n m The setting type e g frequency...

Page 141: ...and keys to produce the following display OFFSET n flashes 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 E 0 USER UNIT 3 SCALE m OFFSET n Press the ENTER key then set the offset with the keypad or MODIFY dial Press...

Page 142: ...ng to the coefficient and offset settings setting resolution may be less precise when user units are used When using user units for the DC offset and phase in LOG selection note the following If a neg...

Page 143: ...s the ENTER key then apply a desired name to the memory may also be omitted Select characters with the MODIFY dial and shift position with the and keys Up to 20 characters can be selected from the fol...

Page 144: ...this example TEST 1 is recalled from memory T E S T 1 STORE 0 1 2 3 4 5 6 7 8 9 Press ENTER key for recall Other If the keypad is pressed at above step the pressed memory number is recalled Only the...

Page 145: ...roduce the following display CLEAR flashes C L E A R M E N U MEMORY STORE RECALL CLEAR Press the ENTER key then use the and keys to produce the following display 0 flashes In this example TEST 1 is cl...

Page 146: ...panel EXT ADD IN connector For details on connectors 3 2 Input and output connectors External add input EXT ADD IN cf Operation Press the SYSTEM key then use the and keys to produce the following dis...

Page 147: ...utput connectors External add input EXT ADD IN cf Operation Press the SYSTEM key then use the and keys to produce the following display EXT AM flashes O F F O N SYSTEM 3 EXT AM EXT ADD SYNC4 Press the...

Page 148: ...resolution is 1 digit less than the 1 V range Operation Press the SYSTEM key then use the and keys to produce the following display RANGE flashes A U T O 1 0 V 1 V SYSTEM RANGE PRESET USER UNIT 4 Pre...

Page 149: ...The example is setting the output for off at power on Operation Press the SYSTEM key then use the and keys to produce the following display POWER ON flashes L A S T S T A T E O F F O N SYSTEM 3 POWER...

Page 150: ...play LOAD flashes O P E N SYSTEM 3 LOAD COPY1 2 COPY2 1 4 Press the ENTER key then turn the MODIFY dial to produce the following display SET flashes S E T 5 0 SYSTEM 3 LOAD COPY1 2 COPY2 1 4 Press the...

Page 151: ...he previous state Operation Press the UNDO to return a setting to the previous state ineffective when UNDO is extinguished Other Undo enabled 1 Directly after changing frequency amplitude etc with the...

Page 152: ...and the Low level to 0 V ENTRY HIGH 5 ENTER ENTRY LOW 0 ENTER Set the period to 2 ms ENTRY PERIOD 2 m Set the pulse width to 0 2 ms ENTRY WIDTH 2 m 2 Use external trigger for pulse output Set the wave...

Page 153: ...TYPE TRIG SOURCE EXT DELAY 0 1 ms MARK 1 0 cycle STOP LEVEL ON 100 Apply the trigger signal to the TRIG SWEEP IN connector Other Double pulse output At above step set MARK 2 0 cycles Manual trigger At...

Page 154: ...ollowing display SYNC flashes S Y N C SYSTEM 3EXT AM EXT ADD SYNC 4 Press the ENTER key to engage phase synchronization Other A slight time difference remains between channels after phase sync when SY...

Page 155: ...hen the and keys to produce the following display COPY 1 2 flashes C O P Y C H 1 C H 2 SYSTEM 3 LOAD COPY1 2 COPY2 1 4 Press the ENTER key COPY CH1 CH2 flashes Then again press the ENTER key to copy b...

Page 156: ...and keys to produce the following display 2 TONE flashes I N D E P 2 P H A S E 2 T O N E 4 SELECT CHANNEL MODE Press the ENTER key to select this channel mode 2 Set the frequency difference FREQ betwe...

Page 157: ...isplay RATIO flashes 3 R A T I O D I F F SELECT CHANNEL MODE Press the ENTER key to select this channel mode 2 Set the frequency ratio between CH2 and CH1 Press the ENTRY key then the RATIO key CH 1 C...

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Page 159: ...WF1966 6 1 Section 6 Troubleshooting 6 1 Error message 6 2 Power on error 6 2 Operation error 6 3 6 2 Suspected failure 6 6 In case of abnormality 6 6...

Page 160: ...rror Error message Cause Corrective measures BACKUP MEMORY LOST Battery backup memory contents destroyed Backup battery probably depleted Contact dealer Press the ENTER key to start the system at the...

Page 161: ...range SETTINGS CONFLICT 003 Combined modulation type e g frequency and Deviation exceed the permissible modulation type setting range and modulation cannot be executed SETTINGS CONFLICT 004 Combined m...

Page 162: ...ING 004 Low level setting changed due to high level setting change or conversely high level setting changed due to low level setting change WARNING 005 Changed to simple standard units Hz s Vp p V WAR...

Page 163: ...tion Therefore the oscillation mode of the other channel was changed to normal WARNING 010 The sweep function was changed from LOG to LIN WARNING 011 The sweep mode was changed from gated to single WA...

Page 164: ...humidity outside specified range Use the equipment under the specified environmental conditions Inadequate warm up Allow the equipment to warm up for at least 30 minutes after power on DC offset appl...

Page 165: ...hecks 7 3 Function checks 7 3 7 3 Performance tests 7 5 Performance tests 7 5 Preparatory checks 7 5 Test preparation 7 5 Frequency accuracy 7 5 Amplitude accuracy 7 6 DC offset accuracy 7 6 Amplitude...

Page 166: ...ormance checks Consult the manufacturer or dealer regarding more thorough inspection adjustment calibration and repair Do not remove external covers Internal inspection of this equipment must be perfo...

Page 167: ...al indication appears at power on switch power off and wait at least 5 seconds then again switch power on z Main function checks To avoid setting error initialize the settings SYSTEM PRESET Connect FU...

Page 168: ...erature the backup period is typically 3 years but may vary among individual units and usage conditions To prevent any loss of setting information resulting from a depleted battery regular battery rep...

Page 169: ...thicker less than 1 meter length and fitted at both ends with BNC connectors z Where items call for 50 termination set the input impedance of the connected instrument to 50 Where this is impossible u...

Page 170: ...Vp p open 3 536 Vrms open 3 483 to 3 589 Vrms 10 V 5 Vp p open 1 768 Vrms open 1 732 to 1 803 Vrms 10 V 2 Vp p open 0 707 Vrms open 0 682 to 0 732 Vrms 1 V 2 Vp p open 0 7071 Vrms open 0 697 to 0 718...

Page 171: ...Waveform 1 kHz Setting 100 kHz Setting to 1 MHz to 5 MHz to 10 MHz to 20 MHz to 50 MHz Reference value 0 2 dB 0 2 0 5 dB 0 2 1 0 dB 0 3 1 5 dB 1 0 3 0 dB Reference value 0 3 dB Reference value 0 3 dB...

Page 172: ...ot 5 or less Duty factor Connection Use coaxial cable to connect Function Out to a universal counter 50 terminated Settings Initialize the settings then set amplitude to 20 Vp p and waveform and frequ...

Page 173: ...d CH2 CH2 phase 180 deg and frequency and waveform according to the following table Measurement Set timer mode between counter inputs 1 and 2 and measure the time difference between CH1 and CH2 Set th...

Page 174: ......

Page 175: ...acteristics 8 2 8 2 Output voltage 8 4 8 3 Other functions 8 5 8 4 Initialized settings 8 11 8 5 Remote control 8 12 8 6 Options 8 13 8 7 General items 8 14 External drawing 8 15 Guaranteed values are...

Page 176: ...lue 160MHz waveform data size words Analog band width 35MHz 0 01 Hz to 500 kHz 0 01 Hz to 50 MHz 0 01 Hz 5 ppm 3 ppm year Frequency equivalent to inverse number of the setting period If the number is...

Page 177: ...p p 50 frequency 100 kHz 1 kHz other than reference effective value measured Up to 1 MHz 0 2 dB 1 MHz to 5 MHz 0 2 0 5 dB 5 MHz to 10 MHz 0 2 1 0 dB 10 MHz to 20 MHz 0 3 1 5 dB 20 MHz to 50 MHz 1 0 3...

Page 178: ...itude setting Vp p 0 01 Vp p open 10 V range 10 000 V open 1 V range 1 0000 V open 10 V range 1 mV open 1 V range 0 1 mV open 10 V range 0 5 of DC offset setting V 0 1 V open 1 V range 0 5 of DC offse...

Page 179: ...f burst Phase from oscillation stop to oscillation start 1800 000 to 1800 000 0 001 Selectable internal trigger oscillator or external trigger input Trigger can be applied from the panel keys or via r...

Page 180: ...top state Continuous single gated sweep LIN LOG LOG for frequency amplitude 1 ms to 10000 000 s during 2 channel independent sweep or modulation of only one of the channels 2 ms to 10000 00 s other ti...

Page 181: ...or falling edge selectable 200 ns At 10 k pulling up to 5 V Front panel BNC receptacle TRIG SWEEP IN 0 5 V open Low level sweeping from start to stop High level Other times If sweep high level for abo...

Page 182: ...dulation function Modulation item External modulation frequency External AM depth Input voltage range Input impedance Input connector AM DSB SC AM on off selection DC 10 MHz 3 V input 100 1 V input 0...

Page 183: ...ting 10 Vp p 50 same waveform 2 phase channel mode 0 00 Hz to 49 99999999999999 MHz Valid in fixed frequency difference mode The frequency difference between CH2 and CH1 is set 0 01 Hz The CH1 and CH2...

Page 184: ...Resolution Set up and display at actual voltage for an arbitrary load Conversion formula Output voltage at load Output voltage at no load impedance Load 50 impedance Output impedance Load 45 to 999 1...

Page 185: ...f Output on off in turning on LAST STATE condition just before power off Setting memory Setting memory comment ALL NOT STORED blank User unit name USER User unit computation formula h n m User unit co...

Page 186: ...l service request functions RL1 All remote local functions PP0 No parallel poll functions DC1 All device clear functions DT1 All device trigger functions C0 No controller functions ISO 7 bit codes ASC...

Page 187: ...ad 0 V DC offset and amplitude setting of 10 Vp p 50 Time difference between units 25 ns plus maximum of 10 ns for each unit The cable used to connect multiple WAVE FACTORY series Note machines is sol...

Page 188: ...ng Forced air cooling rear exhaust z Setup condition Horizontal Within 10 z Environmental conditions Ambient temperature and humidity range Performance guarantee 5 to 35 C 5 to 85 RH no condensation a...

Page 189: ...ms WF1966 8 15 External drawing Front panel Rear panel Side view Surface preparation Front panel Plastic sheet Black4C Frame Painting Metallic gray Cover Polyvinyl chloride metal laminated plate Metal...

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Page 191: ...UNCTION 3 23 4 56 FUNCTION OUT 3 5 HIGH 5 5 INDEP 3 17 3 19 3 20 3 21 5 26 k 4 59 5 9 LOCAL GPIB separate volume LOW 5 7 m 4 58 5 9 M 5 9 MAN TRIG 4 8 4 12 4 15 5 25 MEMORY 5 15 MODE 3 22 4 2 4 16 4 4...

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Page 193: ...t without any charge for the parts and labor or either repair or replace products which prove to be defective For repair service under warranty the product must be returned to a service center designa...

Page 194: ......

Page 195: ...tice Information provided in this manual is intended to be accurate and reliable However we assume no responsibility for any damage regarding the contents of this manual We assume no responsibility fo...

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Page 198: ...http www nfcorp co jp NF Corporation 6 3 20 Tsunashima higashi Kohoku ku Yokohama 223 8508 JAPAN...

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