Pulse Width Calibration

(E8257D/E8267D Option UNU, UNW, UNS, or HNS and E8663D/E8257N Only)

This adjustment calibrates the A11 Pulse/Analog Modulation Generator DAC for minimum pulse width error at a fixed pulse width and period.

Test Equipment

Preferred Model

Alternate Model(s)

Oscilloscope Mainframe

86100D

86100A (needs to have firmware A.02.10 or above)
86100B/C
54750A (see procedure below)

Oscilloscope Plug-In

86117A

83484A
86112A (only for Opt 520)
86117B
54752A

10 dB Attenuator

8490D Opt 010

8493C Opt 010
Only for Opt 520

20 dB Attenuator

8493C Opt 020

 

Plug-In Module Vertical Calibration (for the 54750A)

  1. Remove any front-panel connections from electrical channels.

  2. Press Utility > Calibrate... > Calibrate plug-in...

  3. Select the plug-in module to be calibrated, then press 1 and 2 or 3 and 4

  4. Press Start cal to start the calibration.

  5. Follow the on-screen instructions.

Connections and Setup Procedures

  • All test equipment requires a 30 minute warmup period to ensure accurate performance.

  • In the following test setup, cables are designated as solid lines and direct connections are designated as dashed lines.

  1. Connect all test equipment as shown.

  2. Connect GPIB cables to all GPIB-controlled test equipment.

  3. While performing this adjustment, follow all instructions on the controller display.

 

Setup for Pulse Width Calibration (using plugin trigger)

Setup for Pulse Width Calibration (using mainframe trigger)

 

 

In Case of Difficulty

If this adjustment fails, perform the following steps in order:

  1. Check the equipment setup (see above). If the setup is incorrect, make the necessary corrections and rerun the adjustment.

  2. If this adjustment fails with the equipment set up properly, refer to the troubleshooting section of the signal generator's service guide. If you do not have a printed copy of the service guide (Option OBW), one is available either on the CD-ROM that came with your signal generator shipment or on the Keysight Website.

  3. If you cannot correct the problem using the troubleshooting procedures in the Service Guide, obtain service from Keysight Technologies. Refer to Contacting Keysight Technologies.