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Keithley 3390 Скачать руководство пользователя страница 16

3390 50 kHz Arbitrary Waveform / Function Generator Verification and Adjustment Manual Section 1: Verification procedures

3390-905-01Rev. B / May 2016

1-11

Ch20 db range flatness

This procedure checks the high frequency AC amplitude flatness above 100 kHz on the +20 dB
attenuator range. Flatness is relative to 1 kHz.

1. Connect the power meter to measure the output voltage of the instrument as shown below.

Figure 4: Power meter connections

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Содержание 3390

Страница 1: ...Verification and Adjustment Manual 3390 905 01 Rev B May 2016 P3390 905 01B 3390 905 01 www tek com keithley Model 3390 50 MHz Arbitrary Waveform Function Generator A Greater Measure of Confidence...

Страница 2: ...copy or use of the information herein in whole or in part without the prior written approval of Keithley Instruments is strictly prohibited All Keithley Instruments product names are trademarks or reg...

Страница 3: ...be connected to mains These instruments will be marked as category II or higher Unless explicitly allowed in the specifications operating manual and instrument labels do not connect any instrument to...

Страница 4: ...ways read the associated information very carefully before performing the indicated procedure The CAUTION heading in the user documentation explains hazards that could damage the instrument Such damag...

Страница 5: ...verification worksheet 1 4 Internal timebase verification 1 5 AC amplitude verification for high impedance 1 6 Low frequency flatness verification 1 7 Checking 0 dB range flatness 1 8 Checking 10 dB r...

Страница 6: ...until the next adjustment is performed Nonvolatile FLASH calibration memory does not change when power has been off or after a remote interface reset Verification interval The instrument should be ver...

Страница 7: ...pm Keysight E4418B Power meter 100 KHz to 100 MHz 1 W to 100 mW 30 dBm to 20 dBm Accuracy 0 02 dB resolution 0 01 dB Keysight 8482A Power sensor 100 KHz to 100 MHz 1 W to 100 mW 30 dBm to 20 dBm Cable...

Страница 8: ...fter acceptance If the instrument fails performance verification adjustment or repair is required Amplitude and flatness verification procedures Measurements taken during the AC amplitude high impedan...

Страница 9: ...1 KHz_20dB_reference_dBm 10 log 5 0 x 1KHz_20dB_reference2 dBm Enter the following measurements 100 KHz_0dB_reference VRMS 100 KHz_10dB_reference VRMS 100 KHz_20dB_reference VRMS Calculation of the d...

Страница 10: ...counter as shown below the frequency counter input should be terminated at 50 Figure 1 Frequency counter connection 2 Set the instrument to the output found in the table below and measure the output f...

Страница 11: ...ev B May 2016 AC amplitude verification for high impedance This procedure checks the AC amplitude output accuracy at a frequency of 1 kHz and establishes reference measurements for the higher frequenc...

Страница 12: ...shown in the table Low frequency flatness verification This procedure checks the AC amplitude flatness at 100 KHz using the reference measurements recorded in the Amplitude and Flatness Verification...

Страница 13: ...on Generator Verification and Adjustment Manual 1 8 3390 905 01Rev B May 2016 Checking 0 dB range flatness This test checks the high frequency AC amplitude flatness above 100 KHz on the 0 dB attenuato...

Страница 14: ...specification relative to 1 KHz 100 KHz_0dB_offset is calculated on the Amplitude and Flatness Verification Worksheet 5 Set the 3390 to each output described in the following table and measure the ou...

Страница 15: ...lculated This sets the power meter to read the flatness error specification relative to 1 kHz 100kHz_10dB_offset is calculated on the Amplitude and Flatness Verification Worksheet 6 Set the 3390 to ea...

Страница 16: ...3390 905 01Rev B May 2016 1 11 Checking 20 db range flatness This procedure checks the high frequency AC amplitude flatness above 100 kHz on the 20 dB attenuator range Flatness is relative to 1 kHz 1...

Страница 17: ...pecification relative to 1 kHz 100kHz_20dB_offset is calculated on the Amplitude and Flatness Verification Worksheet 6 Set the 3390 to each output described in the table below and measure the output a...

Страница 18: ...Factory Reset RST command or Instrument Preset SYSTem PRESet command In the event that the initial security code KY3390 has been changed and the new security code word has been lost use the master se...

Страница 19: ...fication procedure and verification item adjustment tests 1 self test 2 2 5 Freq_10MHz less more near true 3 ADC_2V 4 Self Cal Vos SinVos SqrVos VosOneV SqrZero SqrTwoV 5 8 27 AC Ampl 8 11 SinZero Sin...

Страница 20: ...ed equipment Brand Equipment Description Qty Keysight 3458A 8 1 2 Digit Multimeter 1 Keysight 53132A Universal counter 1 Keysight E4418B Power meter 1 Keysight 8482A Power sensor 1 BNC cable 2 BNC 1 B...

Страница 21: ...cedures 3390 50 kHz Arbitrary Waveform Function Generator Verification and Adjustment Manual 1 16 3390 905 01Rev B May 2016 ManualAdjustment exe Software interface introduction Figure 6 ManualAdjustme...

Страница 22: ...of the required instruments are set Zero Cal Power sensor calibration Connect the power sensor to the POWER REF of E4418B and then execute Begin Execute the manual calibration Address Show the addres...

Страница 23: ...n attenuator or special power head to measure the 20 dB output The default security code uses Model Name the first letter must be an alphabetic character If the first letter of Model Name is not alpha...

Страница 24: ...edures 3390 905 01Rev B May 2016 1 19 3 An error message will display as shown below during an calibration error Figure 10 ManualAdjustment exe calibration error occur box 4 If Secure AWG after calibr...

Страница 25: ...operty of Keithley Instruments All other trademarks and trade names are the property of their respective companies Keithley Instruments Corporate Headquarters 28775 Aurora Road Cleveland Ohio 44139 44...

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