Main Instrument Adjustments; Dc Calibrator Adjust; Figure 3- 1: Adjustment Setup Using The Dmm - Tektronix DSA8200 Service Manual

Main Instrument Adjustments

Controller

Figure 3- 1: Adjustment setup using the DMM

DC Calibrator Adjust

DSA8200 Digital Serial Analyzer and Modules Service Manual
Once the instrumentation is connected and GPIB configured, allow the instru-
mentation to warm up for at least 20 minutes before starting the DC Calibrator
Adjust procedures.
GPIB cable
DSA82000
DC CALIBRATION
OUTPUT
Connect the instrument to a DMM as shown in Figure 3- -1.
1. Run the compensation routine.
2. Enter the following GPIB command to verify communication between the
controller and DUT.
*IDN?
Should respond with Tektronix and Firmware Version.
3. Enter the following GPIB command to turn the instrument's cal constant
protection off:
SYST:PROT OFF
4. Enter the following GPIB command to set the instrument's DC calibrator
offset cal constant to 0:
CALCOMP:DOUBLE "DcCalOffsetAdj",0.0
5. Wait 8 seconds then enter the following GPIB command to set the
instrument's DC calibrator Lsb cal constant to 1.0:
CALCOMP:DOUBLE "DcCalLsbAdj",1.0
6. Wait 8 seconds then enter the following GPIB command to set the
instrument's DC calibrator output to 0 Volts:
CALIBRATE:DCCALIBRATOR 0.0
Record DMM reading.
Digital
50 Ω multimeter
Terminator
- - +
SMA "T"
Adjustment Procedures
3- 3