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3-7

IM 704420-01E

Measurement Preparation and Common Operations

3

3.4

Turning ON/OFF the Power Switch

Things to Check before Turning ON the Power

• Is the instrument properly installed?

→

Section 3.2, “Installing the Instrument”

• Is the power cord properly connected?

→

Section 3.3, “Connecting the Power Supply”

Location of the Power Switch and ON/OFF Operation

The power switch is located at the lower left corner of the front panel. The power switch
is a push button. Press once to turn it “ON” and press again to turn it “OFF.”

OFF

ON

Power Up Operation

When the power switch is turned ON, “[TA120E

→

704420]” appears on the 7-segment

LED display and the test program automatically starts. When the test program
completes normally, “[PASS]” is shown on the display and the TA120E is ready to make
measurements. The setup conditions are restored to the ones that existed immediately
before the power switch was turned OFF.

Note

If the TA120E does not operate as described above when the power switch is turned ON, turn
OFF the power switch and check the following points:
•

Is the power cord securely connected?

•

Is the correct voltage coming to the power outlet?

→

See section 3.3.

•

Is the circuit breaker ON?

→

See section 9.8.

•

You can initialize the settings of the TA120E. There are two methods of initialization. See
section 7.4.

•

Turn ON the power switch while pressing the MEAS key

→

the setup information is

initialized to the factory default condition.

•

Press the SHIFT+<(UTILITY) key and select [init]

→

the setup information excluding

the communication address and setup information stored to the memory is initialized.

If the instrument still fails to power up when the power switch is turned ON after checking
these points, it is probably a malfunction. Please contact your nearest YOKOGAWA dealer
as listed on the back cover of this manual for repairs.

To Make Accurate Measurements

Under the installation condition indicated in section 3.2, allow the instrument to warm up
for at least 30 minutes after the power switch is turned ON before starting the use of the
instrument.

Shutdown Operation

The setup information that exists immediately before the power switch is turned OFF is
stored. This holds true also when the power cord becomes unplugged. Note that the
measured results are not stored.

Note

The lithium battery that is used to store the setup information has a limited life span. When
the voltage level of the lithium battery drops below a given level, error code 909 appears on
the display when the power switch is turned ON. If the error code appears frequently, the
lithium battery must be replaced quickly. The user cannot replace the battery. Contact your
nearest YOKOGAWA dealer as listed on the back cover of this manual. For the life span of
the battery, see section 9.9.

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Содержание TA120E

Страница 1: ...Digital Jitter Meter IM 704420 01E 1st Edition...

Страница 2: ...onal User s Manual TA120E and their operating procedures Notes The contents of this manual are subject to change without prior notice as a result of continuing improvements to the instrument s perform...

Страница 3: ...s manual MODEL SUFFIX NO MODEL SUFFIX NO Made in Japan EXT OUT LEVEL DC MODEL and SUFFIX codes Model Suffix Code Specifications 704420 100 240 VAC Power cord D UL CSA Standard Power Cord Part No A1006...

Страница 4: ...urchase separately For information and ordering contact your nearest YOKOGAWA dealer Part Name Model Quantity Notes 150 MHz probe 700998 1 Input resistance 10 M length 1 5 m 10 1 and 1 1 switching typ...

Страница 5: ...al the protection provided by the instrument may be impaired YOKOGAWA Electric Corporation assumes no liability for the customer s failure to comply with these requirements The following symbols are u...

Страница 6: ...wer cord Connect the power cord to a properly grounded three pin outlet Necessity of Protective Grounding Never cut off the internal or external protective earth wire or disconnect the wiring of the p...

Страница 7: ...ement conditions such as the measurement function equalizer ON OFF setting trigger mode slice level gate arming inhibit and clock signal Chapter 5 Displaying the Measured Results Describes how to oper...

Страница 8: ...scribes precautions that should be observed to prevent minor or moderate injury or damage to the property Note Provides important information for the proper operation of the instrument Symbols used on...

Страница 9: ...7 segment LED display numbers alphabets and operation symbols are represented using the special characters below Some of the characters are not used 0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J Lowercase c...

Страница 10: ...y 3 6 3 4 Turning ON OFF the Power Switch 3 7 3 5 Connecting the Cable or Probe 3 8 3 6 Phase Correcting the Probe 3 9 3 7 Setting the Numeric Value 3 11 Chapter 4 Setting Measurement Conditions 4 1 S...

Страница 11: ...of Commands 8 15 8 7 2 CALCulation Group 8 18 8 7 3 COMMunicate Group 8 20 8 7 4 DCOut Group 8 21 8 7 5 DISPlay Group 8 22 8 7 6 INPut Group 8 23 8 7 7 MEASure Group 8 25 8 7 8 MEMory Group 8 26 8 7 9...

Страница 12: ...ging the Factory Default Calibration Value 9 9 9 6 Executing the Performance Test 9 13 9 7 Adjusting the Equalizer 9 27 9 8 Circuit Breaker 9 29 9 9 Recommended Replacement Parts 9 30 Chapter 10 Speci...

Страница 13: ...external arming signal Input EXT I O signal DC output of jitter Monitor output of RF signal Monitor output of equalized RF signal Data signal binarized signal output Clock signal output EXT I O outpu...

Страница 14: ...controls the acquisition of measured values according to the external arming signal EXT ARM signal or the inhibit signal INHIBIT Signal The fractional pulse generator generates fractional pulses from...

Страница 15: ...selected Signal flow of the level measurement function option 3 The signal applied to the BI PHASE input terminal or the RF input terminal is input to the amplitude measurement circuit before the sli...

Страница 16: ...o digital values using an 8 bit A D converter 3T is determined by substituting the pulse width of the fractional pulses that were measured into the variables Ta and Tb of the above equation 3T Ta Tb F...

Страница 17: ...verage value Determines a histogram frequency distribution from the measured values of multiple pulses residing in the range from 2 5T to 3 5T T 231 385 ns and calculates the standard deviation from t...

Страница 18: ...ndard deviation from the histogram This standard deviation is the D to C jitter The D to C jitter ratio is derived by dividing the standard deviation by the period T of the DVD clock signal The time a...

Страница 19: ...er passing through the equalizer Amplitude Amplitude Amplitude Binarization of the RF Signal The binarized data signal of the RF signal is the signal used to measure the pulse width and time differenc...

Страница 20: ...arized using the slice level that is specified in the range from 5 V to 5 V 1 V to 1 V when the equalizer is in operation The specified slice level RF signal Data signal Center value of the amplitude...

Страница 21: ...o the cue used to start the measurement In contrast to trigger which refers to the cue used to measure the pulse width or time difference of each pulse arming refers to the starting point of the measu...

Страница 22: ...nhibit signal and gating S1 S2 S3 Data signal S4 S5 Not measured Gate Inhibit Inhibit measurement Gate open Start measurement Resume measurement S Measured value Relation between the inhibit signal ga...

Страница 23: ...ope See 4 1 for the operating procedure When using the clock signal that is applied to the clock input connector for measuring the D to C jitter you can select on which slope rising edge or falling ed...

Страница 24: ...ted measurement function or the average value that is derived in the process of determining the jitter and jitter ratio is displayed using a numeric value You can switch the display between jitter jit...

Страница 25: ...uation You can set the number of measured values average coefficient to be averaged in the range from 1 to 10 When the average coefficient is set to 5 Time Time A B C D E F a b c G Measured Jitter Rat...

Страница 26: ...ation to factory default settings Initialization of the information excluding the following settings Communication address Stored information in the internal memory Version Display See 7 5 for the ope...

Страница 27: ...adjust the phase difference indicates the measured results and adjusts the zero position of the needle sections 4 8 5 1 and 9 3 FUNC key Selects the measurement function sets the N speed and operates...

Страница 28: ...ignal section 7 2 External arming input connector Inputs the external arming signal section 4 5 Inhibit input connector Inputs the inhibit signal section 4 6 Circuit breaker Reset method section 9 8 V...

Страница 29: ...he power and unplug the power cord Contact your nearest YOKOGAWA dealer as listed on the back cover of this manual When the cooling fan stops If error code 906 appears on the display the cooling fan i...

Страница 30: ...o not bring charged objects near the input connector This can damage the internal circuitry When not using the instrument for a long period of time Turn OFF the power switch and remove the power cord...

Страница 31: ...TA120E is installed horizontally and that the meter is in the vertical position The specifications of the meter cannot be satisfied when the instrument is installed with the rear panel down Installati...

Страница 32: ...nstrument in the following places In direct sunlight or near heat sources Where an excessive amount of soot steam dust or corrosive gas is present Near strong magnetic field sources Near high voltage...

Страница 33: ...f you are installing the instrument on a slippery surface attach the rubber feet two pieces included in the package to the hind feet If you are not using the stand return it to the original position w...

Страница 34: ...t with a protective earth terminal Do not use an extension cord without protective earth ground Doing so will invalidate the protection Connecting the Power Cord 1 Check that the power switch on the f...

Страница 35: ...tion See section 7 4 Turn ON the power switch while pressing the MEAS key the setup information is initialized to the factory default condition Press the SHIFT UTILITY key and select init the setup in...

Страница 36: ...ACpeak 100 kHz frequency of the input signal 100 MHz 3 5 f 5 V DC ACpeak where f is a frequency in MHz Ground Connect to the case ground The typical value is a representative or standard value It is n...

Страница 37: ...pply a voltage that exceeds the maximum input voltage to the input connector This may cause damage to the input section Do not short the CAL signal output terminal of the DL1540 or the monitor output...

Страница 38: ...onsequently a correct waveform cannot be input to the measurement circuit of the TA120E The input capacity of each probe is not necessarily all the same Therefore the probe has a variable capacitor tr...

Страница 39: ...numeric value is shown on the display 3 Press the arrow keys or to select the digit you wish to change The value at the selected digit blinks 4 Turn the rotary knob to set the value within the range...

Страница 40: ...elected 1 proceed to step 4 If you selected N proceed to step 2 Manually setting the N speed 2 When the measurement function is set to N press the SHIFT FUNC SPEED key The N indicator blinks and the N...

Страница 41: ...ue N when measuring the pulse width for speeds other than 1 When the value can be specified the SET indicator lights and the N speed value N is shown on the display Range 1 0 to 10 0 Resolution 0 1 Se...

Страница 42: ...e difference between the measurement starting point of the time difference and the first falling slope of the clock signal Selecting BI PHASE jitter For an explanation of BI PHASE jitter see the TA120...

Страница 43: ...EQLZ indicator turns OFF and the equalizer turns OFF Explanation When the equalizer is turned ON you can equalize compensate the signal amplitude of the high frequency region The signal amplitude in...

Страница 44: ...ng the slice level the slice level value is displayed Lights when the numeric values are shown on the display Procedure Selecting the trigger mode 1 Press the TRIG key to select AUTO MAN or both AUTO...

Страница 45: ...slice level in the range shown below The RF signal is binarized using the specified slice level When the value can be specified the SET indicator lights and the slice level is shown on the display Ra...

Страница 46: ...time the gate time is displayed Lights when the numeric values are shown on the display Procedure Selecting the gate 1 Press the GATE key to select 105 0 1s 0 5s or MAN The indicator of the selected...

Страница 47: ...ng measurements using a gate time other than 0 1s or 0 5s set the gate time in the range shown below When the value can be specified the SET indicator lights and the gate time is shown on the display...

Страница 48: ...elay time is displayed Lights when the numeric values are shown on the display Procedure Selecting auto arming internal arming Press the ARM key to turn OFF both the and indicators Setting the externa...

Страница 49: ...ing the slope Arming is activated on the rising slope of the external arming signal Arming is activated on the falling slope of the external arming signal Setting the arming delay When using external...

Страница 50: ...nput connector External arming input circuit IN EXT ARM TTL 5 V 10 k 74LS14 or equivalent 510 CAUTION Do not apply a voltage that exceeds the allowable input voltage range to the external arming input...

Страница 51: ...rned OFF Explanation You can inhibit measurements by applying an external signal inhibit signal to the INHIBIT input connector This is possible even while the gate is open or during measurement after...

Страница 52: ...bit input connector Inhibit input circuit IN INHIBIT TTL 5 V 10 k 74LS14 or equivalent 510 CAUTION Do not apply a voltage that exceeds the allowable input voltage range to the inhibit input connector...

Страница 53: ...FF The D to C jitter measurements can now be carried out using the clock signal that is applied to the clock input connector Explanation For the clock signal used to measure the D to C jitter you can...

Страница 54: ...ow keys or to set the phase adjustment value The meter needle changes according to the changes in the adjustment value For the procedure to set numeric values see section 3 7 Explanation Adjusting the...

Страница 55: ...select the scale that is used when indicating the measured jitter ratio on the analog meter 10 The scale line is written every 0 2 The needle is capable of indicating a jitter ratio of up to 11 20 The...

Страница 56: ...splayed using numeric values When T and light the jitter ratio is displayed using numeric values Displaying the average of the measured values Press the MEAS key to select AVE for the measured paramet...

Страница 57: ...ing ON OFF the numeric display If the changes in the numeric display of the jitter or jitter ratio bother you you can display the characters d oFF instead of displaying the values Note Even when the n...

Страница 58: ...you selected previously is shown in x 2 Turn the rotary knob to select the preset number for storing the setup information Storing the setup information 3 Press the key The characters StorE are displ...

Страница 59: ...PrStx The preset number you selected previously is shown in x 2 Turn the rotary knob to select the preset number for recalling the setup information Recalling the setup information 3 Press the key The...

Страница 60: ...elect Jitt jitter ratio output a DC voltage corresponding to the jitter ratio is output from the jitter DC output connector If you select JudGE determination output a DC voltage of 5 V is output when...

Страница 61: ...r ratio correction coefficient 20 Press the SHIFT UTILITY key The display shows the characters init 21 Turn the rotary knob to select ALPHA 22 Press the key The display shows the correction coefficien...

Страница 62: ...C output connector on the rear panel You can specify the jitter ratio that will output 5 V upper limit and the jitter ratio that will output 0 V lower limit and output DC voltage that is proportional...

Страница 63: ...C and 0 VDC respectively Range 0 00 to 100 00 Resolution 0 01 Setting the determination level You can set the determination level for the determination output Range 0 00 to 100 00 Resolution 0 01 Sett...

Страница 64: ...r T is the period of the clock signal that is applied to the clock input connector or regenerated by the PLL circuit Selectable Range Correction coefficient 0 0001 to 9 9999 Correction coefficient 9 9...

Страница 65: ...alizer is activated the equalized RF signal is output Item Specifications Output impedance 50 typical value Output level When the monitor equipment receives the signal at an input impedance of 50 the...

Страница 66: ...Data signal output connector Data signal output circuit OUT SLICED RF TTL 5 V 5 V 50 Outputting the clock signal You can output the clock signal that is applied to the clock input connector from the...

Страница 67: ...pe Slope of the external arming signal Arming delay setting ON OFF condition of inhibit Polarity ON OFF condition of the equalizer Trigger mode type Slice level ON OFF condition of the PLL circuit Pha...

Страница 68: ...ialization We recommend that you transmit the setup information to a PC using a communication command and save the information beforehand If you initialize the settings to factory default the GP IB ad...

Страница 69: ...erence adjustment value 0 0 ns Meter scale type Jitter ratio Scale 10 scale Numeric display type jitter jitter ratio or average value Jitter ratio ON OFF condition of the numeric display ON DC output...

Страница 70: ...6 10 deg 20 180 us ms ns MEAS x1 3TCD xN 3TCD xN BI PHASE SPEED DELAY GATE TIME FUNC GATE LOCAL DATA SCALE PRESET PHASE 10 20 TRIG CLOCK PHASE AUTO MAN GP IB REMOTE EQLZ LEVEL PLL SHIFT ARM INH DtoC D...

Страница 71: ...on the rear panel upward in the opposite direction of the arrow The key lock turns OFF and the KEY LOCK indicator on the front panel turns OFF All key operations are enabled Explanation You can disab...

Страница 72: ...es in which the response data are created upon receiving a send request from the controller e Commands that have parameters that restrict one another See the example of the commands given in section 8...

Страница 73: ...These common commands are not supported 20 The extent of the self test using the TST command The self test consists of the same tests that are performed at power up 21 The structure of the extended r...

Страница 74: ...Lockout mode see next page by the controller The REMOTE indicator turns OFF Key operations are enabled The settings that existed in the remote mode are maintained even when the instrument switches to...

Страница 75: ...vices can be connected to a single GP IB system However no more than 15 devices including the controller can be connected to a single system When connecting multiple devices each device must have its...

Страница 76: ...dress the GP IB address is displayed Lights when the numerical values are shown on the display Procedure 1 Press the SHIFT LOCAL GP IB key The GP IB address is shown on the display 2 Use the rotary kn...

Страница 77: ...oll Disable In addition listener address talker address and secondary commands are also considered interface messages The differences between SDC and DCL Of the multi line messages SDC messages are th...

Страница 78: ...nstrument are called program messages and messages that are sent back from the instrument to the controller are called response messages If a program message contains a message unit that requests a re...

Страница 79: ...sts of one or more response message units each response message unit corresponds to one response Response message units are separated by a semicolon For details regarding the format of the response me...

Страница 80: ...ting conditions When both the transmit and receive buffers become full at the same time the instrument can no longer continue to operate This state is called a deadlock In this case operation can be r...

Страница 81: ...o the same command group are being concatenated Example MEASURE FUNCTION D3T PMT MEASURE SPEED 1 0 PMT Upper level Query An upper level query is a query in which a question mark is appended to the hig...

Страница 82: ...e header and data Data are classified as follows Data Description Decimal Value expressed as a decimal number Example Recall the information to be specified RECALL 2 Voltage Time Physical value Phase...

Страница 83: ...t also Hexadecimal Octal or Binary Register is used when each bit of the value has a particular meaning It is expressed in one of the following forms Form Example NRf 1 H Hexadecimal value made up of...

Страница 84: ...ands supported by this instrument are sent consecutively the execution of the next command is delayed until the execution of the previous command is completed Synchronization Using Sequential Commands...

Страница 85: ...Culation JITTer command will not be executed until a service request is generated Using the COMMunicate WAIT command The COMMunicate WAIT command is used to wait for a specific event to occur Example...

Страница 86: ...of the jitter ratio or queries the current setting 8 21 DCOut JITTer RANGe Sets the upper and lower limits of the DC output of the jitter ratio or queries the current setting 8 21 DCOut JUDGe LEVel S...

Страница 87: ...current setting 8 29 SAMPle ARMing SLOPe Sets the arming slope or queries the current setting 8 30 SAMPle ARMing SOURce Sets the arming source or queries the current setting 8 30 SAMPle GATE Queries...

Страница 88: ...or queries the current setting 8 34 ESR Queries the standard event register and clears the register 8 34 IDN Queries the instrument model 8 34 OPC Sets whether or not to clear the OPC event upon the c...

Страница 89: ...n MAXimum Function Queries the maximum value Syntax CALCulation MAXimum Example CALCULATION MAXIMUM 1 8967E 8 Description If the statistical value is not valid NAN is returned CALCuIation MELE CALCuIa...

Страница 90: ...m class value MAX Xi man Minimum value MIN Indicates the minimum class value MIN Xi min Average value AVE Computes the average value Pi is the relative frequency AVE Xi Pi n i 1 If the total number of...

Страница 91: ...TE HEADER COMMUNICATE HEADER 1 COMMunicate VERBose COMMunicate VERBose COMMunicate VERBose COMMunicate VERBose COMMunicate VERBose Function Sets the response messages to full form or abbreviated form...

Страница 92: ...to be averaged of the DC output of the jitter ratio or queries the current setting Syntax DCOut JITTer CYCLe NRf DCOut JITTer CYCLe NRf 1 to 10 in 1 steps Example DCOUT JITTER CYCLE 1 DCOUT JITTER CYC...

Страница 93: ...to the display Syntax DISPlay Example DISPLAY DISPLAY SCALE R10 STATISTIC 1 UNIT NS DISPlay MEASure DISPlay MEASure DISPlay MEASure DISPlay MEASure DISPlay MEASure Function Sets the measured value to...

Страница 94: ...oup The commands in this group deal with the input signal INPut DATA TRIGger MODE Space MANual AUTO BOTH LEVel Space Voltage POLarity Space POSitive NEGative BOTH CLOCk SLOPe Space RISE FALL DELay TIM...

Страница 95: ...t DATA POLarity INPut DATA POLarity INPut DATA POLarity INPut DATA POLarity Function Sets the polarity of the data signal or queries the current setting Syntax INPut DATA POLarity POSitive NEGative BO...

Страница 96: ...ked UNLOCK is returned When locked LOCK is returned 8 7 7 MEASure Group The commands in this group deal with measurement conditions MEASure FUNCtion Space DTOC D3T SPEed Space NRf MEASure MEASure MEAS...

Страница 97: ...nsmission order of binary data or queries the current setting Syntax MEMory BYTeorder LSBFirst MSBFirst MEMory BYTeorder Example MEMORY BYTEORDER LSBFIRST MEMORY BYTEORDER MEMORY BYTEORDER LSBFIRST ME...

Страница 98: ...160 0 ns to this value MEMory SIZE MEMory SIZE MEMory SIZE MEMory SIZE MEMory SIZE Function Queries the number of data points that have been measured Syntax MEMory SIZE Example MEMORY SIZE 100000 Exa...

Страница 99: ...up RECall Space NRf RECall RECall RECall RECall RECall Function Recalls the setup information Syntax RECall NRf NRf 0 to 6 Example RECALL 1 Description To continue with measurements use the START comm...

Страница 100: ...SAMPLE INHIBIT STATE 0 SAMPle ARMing SAMPle ARMing SAMPle ARMing SAMPle ARMing SAMPle ARMing Function Queries all settings related to arming Syntax SAMPle ARMing Example SAMPLE ARMING SAMPLE ARMING SO...

Страница 101: ...ries the current setting Syntax SAMPle GATE TIME Time SAMPle GATE TIME Time 0 1 ms to 1 s in 0 1 ms steps Example SAMPLE GATE TIME 1MS SAMPLE GATE TIME SAMPLE GATE TIME 100 0E 03 Description You can s...

Страница 102: ...or queries the current setting Syntax STATus EESE Register STATus EESE Register 0 to 65535 Example STATUS EESE 257 STATUS EESE STATUS EESE 257 STATus EESR STATus EESR STATus EESR STATus EESR STATus E...

Страница 103: ...STOP STOP STOP STOP STOP Function Stops the measurement Syntax STOP Example STOP 8 7 15 STORe Group STORe Space NRf STORe STORe STORe STORe STORe Function Stores the setup information Syntax STORe NR...

Страница 104: ...setting Syntax UNIT TIME Multiplier S UNIT TIME Multiplier See the description below Example UNIT TIME MS UNIT TIME UNIT TIME MS Description The following multipliers can be specified EX Exa 1018 PE...

Страница 105: ...e standard event enable register or queries the current setting Syntax ESE NRf ESE NRF 0 to 255 Example ESE 253 ESE 253 Description For details on the standard event enable register see section 8 8 St...

Страница 106: ...escription For details on the status byte register see section 8 8 Status Report TRG TRG TRG TRG TRG Function Executes single measurement Syntax TRG Description The multi line message GET Group Execut...

Страница 107: ...6 5 4 3 2 1 0 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Condition register Transition filter Extended event register 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Extended e...

Страница 108: ...event register are 1s or 0s For details regarding these commands see section 8 7 8 8 2 Status Byte Status Byte 7 6 ESB MAV EES EAV 1 0 RQS MSS Bits 0 1 and 7 Not used always 0 Bit 2 EAV Error Availabl...

Страница 109: ...t of the status byte is cleared Since the CLS command does not clear the output queue bit 4 MAV of the status byte is unaffected However if the CLS command is received immediately after the program me...

Страница 110: ...ument is powered up again 8 8 4 Extended Event Register The transition filter detects the changes in the condition register that indicate the internal condition of the instrument and writes the result...

Страница 111: ...output queue is empty D1 D2 D1 D2 D1 Error Queue The error queue stores the error number and message when an error occurs For example if the controller sends an incorrect program message the error num...

Страница 112: ...essional Edition or later GPIB board AT GPIB TNT IEEE 488 2 by National Instruments Settings on Visual Basic Standard module used Niglobal bas and Vbib 32 bas Settings on the TA120E All sample program...

Страница 113: ...r Dev ildev InitGpib 1 Exit Function End If sts ilsic brd Set IFC If sts 0 Then Call DisplayGPIBError sts ilsic InitGpib 1 Exit Function End If InitGpib 0 End Function Private Sub DisplayGPIBError ByV...

Страница 114: ...tr sts Chr 13 wrn Error No Str ern Chr 13 ers Chr 13 msg vbExclamation Error Call ibclr Dev Call ibonl Dev 0 Dev 1 End Sub Private Sub Command1_Click Dim sts As Integer If StartFlag 1 Then Exit Sub En...

Страница 115: ...ddItem Query 3 List1 AddItem Query 4 List1 AddItem Query 5 List1 AddItem Query 6 List1 AddItem Query 7 List1 AddItem Query 8 List1 AddItem Query 9 List1 AddItem Query 10 End If Text1 Text END StartFla...

Страница 116: ...ON sts ilwrt Dev msg Len msg Send Command If sts 0 Then Call DisplayGPIBError sts msg SetParameter 1 Exit Function End If msg STOP term Measure Stop sts ilwrt Dev msg Len msg Send Command If sts 0 The...

Страница 117: ...sg SetParameter 1 Exit Function End If msg SAMPLE ARMING SOURCE term Get Arming sts ilwrt Dev msg Len msg Send Command If sts 0 Then Call DisplayGPIBError sts msg SetParameter 1 Exit Function End If s...

Страница 118: ...DisplayGPIBError sts msg SetParameter 1 Exit Function End If msg INPUT DATA TRIGGER MODE term Get Trigger Mode sts ilwrt Dev msg Len msg Send Command If sts 0 Then Call DisplayGPIBError sts msg SetPa...

Страница 119: ...ction End If msg INPUT PLL MODE term Get PLL sts ilwrt Dev msg Len msg Send Command If sts 0 Then Call DisplayGPIBError sts msg SetParameter 1 Exit Function End If sts ilrd Dev qry Len qry If sts 0 Th...

Страница 120: ...Len msg Send Command If sts 0 Then Call DisplayGPIBError sts msg SingleMeasure 1 Exit Function End If msg STATUS EESR term Clear Extended Event Register sts ilwrt Dev msg Len msg Send Command If sts 0...

Страница 121: ...istics 1 Exit Function End If msg CALCULATION AVERAGE term Get Average value sts ilwrt Dev msg Len msg If sts 0 Then Call DisplayGPIBError sts msg GetStatistics 1 Exit Function End If sts ilrd Dev qry...

Страница 122: ...ts 0 Then Call DisplayGPIBError sts msg GetStatistics 1 Exit Function End If Query 3 Minimum Left qry ibcntl 1 msg CALCULATION PTOPEAK term Get Peak Peak value sts ilwrt Dev msg Len msg If sts 0 Then...

Страница 123: ...Then Call DisplayGPIBError sts msg GetStatistics 1 Exit Function End If Query 7 ELError Left qry ibcntl 1 msg CALCULATION MELE term Get MELE value sts ilwrt Dev msg Len msg If sts 0 Then Call Display...

Страница 124: ...Dev msg Len msg If sts 0 Then Call DisplayGPIBError sts msg GetStatistics 1 Exit Function End If sts ilrd Dev qry Len qry If sts 0 Then Call DisplayGPIBError sts msg GetStatistics 1 Exit Function End...

Страница 125: ...D 6E 6F 70 71 72 73 74 75 76 77 78 79 7A 7B 7C 7D 7E 7F 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 5...

Страница 126: ...n it ON The display is not correct The system has malfunctioned Reboot the system 3 4 Noise appears on the display Install the TA120E where there is no noise 3 2 Remove the noise The ambient temperatu...

Страница 127: ...ing 8 6 8 7 Write the required data 111 Header separator error HEADER SEPARATOR is missing 8 6 Use a space to separate the header and data 112 Program mnemonic too long mnemonic may be too long Check...

Страница 128: ...the setup information 8 7 Check the relevant setting values 222 Data out of range The value of DATA is outside the range 8 7 Check the range 223 Too much data The length of DATA is too long Check the...

Страница 129: ...Fan stopped Turn OFF the The cooling fan has stopped Immediately turn 3 4 power immediately OFF the power 909 No Battery The backup battery is dead Servicing is required 3 4 for battery replacement 9...

Страница 130: ...the needle by turning the adjustment trimmer with a flat head screwdriver so that the needle is exactly over the zero line Explanation When the zero position of the needle goes off alignment you can...

Страница 131: ...ntenance mode 2 Check that the power switch is turned OFF 3 While pressing the SCALE key turn ON the power switch Hold the SCALE key down for approximately 3 seconds After displaying TA120E 704420 V x...

Страница 132: ...n the maintenance mode 6 Press the key once The characters tEST appear on the display and the TA120E returns to the start condition in the maintenance mode Testing the board 4 Press the INH key After...

Страница 133: ...TRIG triG CLOCK CLoCK PHASE PHASE riGHt LEFt MEAS MEAS SCALE SCALE Rotary knob to the right rot r Rotary knob to the left rot L Indicator test You can test all the indicators including the 7 segment L...

Страница 134: ...t initialization see section 7 4 will not set the calibration value back to factory default Carry out the operations below in the following cases When the allowable range is exceeded in the performanc...

Страница 135: ...ecimal value is displayed If PASS is displayed the DC voltage level is normal If a hexadecimal value is displayed a problem has occurred Please note the hexadecimal value that is displayed Checking th...

Страница 136: ...the TA120E is in the remote mode at this point calibration cannot be performed Switch from remote mode to local mode Warm Up Warm up the TA120E for at least 30 minutes with the power turned ON before...

Страница 137: ...the calibration corresponding to the CAL command from the front panel of the TA120E When you wish to change the factory default calibration value Perform the calibration using the XCAL command After c...

Страница 138: ...instrument Programmable DC voltage current source 7651 YOKOGAWA The procedure for testing the trigger voltage accuracy using the recommended instruments is described below Connecting the Instrument Ch...

Страница 139: ...e trigger level and record the voltage at which the RF signal input indicator blinks as VL 4 Set the trigger level of the TA120E to 3 900 V 5 Increase the trigger level of the TA120E in 1 mV steps Gra...

Страница 140: ...mended instruments is described below Connecting the Instrument Check that the power switch is turned OFF on all instruments before connecting them Connect the output of the synthesized signal generat...

Страница 141: ...1 0 3 Read the standard deviation and the average value Confirm that the values are within the allowable range 4 Set the output level and frequency of the 8657B and the speed of the TA120E according...

Страница 142: ...nts is described below Connecting the Instrument Check that the power switch is turned OFF on all instruments before connecting them Connect the output of the synthesized signal generator to the RF in...

Страница 143: ...y of the data signal of the TA120E according to the table below then perform the test in a similar fashion Test result Polarity of the Data Signal Frequency of the Speed of the Standard Deviation Aver...

Страница 144: ...ng the Instrument Check that the power switch is turned OFF on all instruments before connecting them Connect the output of the synthesized signal generator to the RF input connector of the TA120E thr...

Страница 145: ...result Slope of the data signal slope of the clock signal Phase difference between the data signal and Standard Deviation Jitter the clock signal Measured Value Allowable Range 5 0 ns 0 4 ns or less 1...

Страница 146: ...Instrument Check that the power switch is turned OFF on all instruments before connecting them Connect the output of the synthesized signal generator to the RF input connector of the TA120E through t...

Страница 147: ...7B to 225 mVrms and the frequency to 300 kHz 2 Start up the TA120E in the maintenance mode and press the DATA key The characters EQLZ appear on the display and the TA120E enters the equalizer test mod...

Страница 148: ...he RF input connector of the TA120E DATA TRIG TA120E FG300 RF input connector OUTPUT Instrument settings TA120E Measurement function 3TCD N Polarity of the data signal Speed N 6 2 Gate 0 1 s Trigger m...

Страница 149: ...voltage to 0 0 V and the output attenuator to 1 10 2 Set the polarity of the data signal of the TA120E to and the trigger mode to MAN 3 Set the TA120E in the statistical value debug mode and read the...

Страница 150: ...rator to the RF input connector of the TA120E DATA TRIG TA120E FG300 RF input connector OUTPUT Instrument settings TA120E Measurement function D to C Polarity of the data signal Gate 0 1 s Trigger mod...

Страница 151: ...o the FG300 Set the output frequency to 74 04665 kHz the output voltage amplitude to 0 3 VP P the phase to 0 0 deg the offset voltage to 0 0 V and the output attenuator to 1 1 2 Turn ON the PLL of the...

Страница 152: ...10 MHz Recommended instrument MS2601 Anritsu Synthesized signal generator Frequency range 100 kHz to 10 MHz Output level 720 mVrms or more Recommended instrument Synthesized signal generator 8657B Agi...

Страница 153: ...peak value that is actually measured on the MS2601 at 300 kHz Consider the peak value at this point to be A 4 Set the output frequency of the 8657B to 5 16 MHz and the center frequency of the MS2601...

Страница 154: ...nel For the position of the circuit breaker see section 2 2 Circuit breaker operation If the TA120E becomes overloaded and over current flows through the internal circuits the power is shut off When t...

Страница 155: ...varies depending on the conditions of use Refer to the table below as a general guideline Contact your nearest YOKOGAWA dealer for replacement parts Parts Name Specifications and Recommended Replaceme...

Страница 156: ...he input signal 100 kHz 40 V DC ACpeak 100 kHz frequency of the input signal 100 MHz 3 5 f 5 V DC ACpeak where f is a frequency in MHz Input sensitivity 1 100 mVP P Input range 5 V to 5 V Input freque...

Страница 157: ...rigger level timing error time base frequency stability x measured value 1 ns systematic error when the measurement function is set to 3T 1 Measured value under standard operating conditions as descri...

Страница 158: ...asured results available Unit Meter Display jitter ratio or ns jitter and average value Meter scale Select 10 or 20 for the full scale FS Indication accuracy of the meter 1 5 of FS Resolution of the d...

Страница 159: ...coefficient Range 0 0001 to 9 9999 resolution 0 0001 Correction coefficient Range 9 999 to 9 999 resolution 0 001 Output level 2 0 V to 5 VDC Output level accuracy 2 3 10 mV Monitor output of the RF s...

Страница 160: ...to IEEE St d 488 1978 JIS C1901 1987 specifications Functional specifications SH1 AH1 T6 L4 SR1 RL1 PP0 DC1 DT1 and C0 Protocol Conforms to IEEE St d 488 2 1992 Code ISO ASCII code Mode Addressable mo...

Страница 161: ...Key lock Able to set key lock Standard Accessories Power cord 1 piece Rubber feet 1 set 2 pieces User s manual 1 piece this manual Safety standard Complying standard EN61010 1 Overvoltage Category In...

Страница 162: ...unting surface Mounting dimensions of the EIA rack mount 480 1 460 1 485 1 463 1 485 1 462 1 100 0 2 149 24 5 0 0 3 100 0 2 89 0 2 89 0 2 149 24 5 21 8 21 8 0 0 3 132 5 0 0 3 132 5 0 0 3 6 8 6 8 6 8 6...

Страница 163: ...used in this manual vii correction coefficient 7 5 D D to C jitter 1 6 4 2 data 8 11 DATA key 2 1 data signal output 1 13 data signal output connector 2 2 dc hi 7 1 dc Lo 7 1 DC output 1 13 DC output...

Страница 164: ...measurement item 1 5 measurement principle 1 4 MELE 8 19 MEMory Group 8 26 message 8 7 meter 2 1 meter display 1 12 meter test 9 8 minimum value 8 19 MODEL ii monitor output 1 13 7 6 monitor output c...

Страница 165: ...ata signal 4 2 speed 1 5 standard accessory iii standard deviation 8 19 standard event register 8 38 status byte 8 37 status report 8 36 storage location 3 4 StorE 6 1 storing 6 1 SUFFIX code ii symbo...

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