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1
Performance Tests - Verifying Specifications
4 Set the Range Calibrator switches as follows:
5 Press the Zero key on the Keysight 53147A, 53148A, or 53149A. When the
6 Change the Range Calibrator's FUNCTION switch to CALIBRATE.
7 Press the Cal key on the Keysight 53147A, 53148A, or 53149A. Wait for the
8 Verify that the Keysight 53147A, 53148A, or 53149A display reads
The Range Calibrator output level is adjustable in 5 dB increments.
NOTE
Thus, the 3 µW, 30 µW, 300 µW, 3 mW, and 30 mW legends on the RANGE
switch are approximations. The true values for these settings are 3.16 µW, 31.6
µW, 316 µW, 3.16 mW, and 31.6 mW.
9 Set the Range Calibrator RANGE switch to each of the positions shown in
– The lower the setting of the RANGE switch, the longer it takes for
NOTE
– You may have to repeat Step 5 (re-zero the instrument) for each
40
FUNCTION:
STANDBY
POLARITY:
NORMAL
RANGE:
1 mW
LINE:
ON
reading appears, verify that it is 0.00 ±0.06 µW.
Power Meter to complete calibration.
1.000 ±0.006 mW.
Table
1-3. For each setting, verify that the Keysight 53147A, 53148A, or
53149A autoranges properly and that the reading displayed is within the limits
shown in the table.
the reading to stabilize.
measurement.
Keysight 53147A/148A/149A Assembly Level Service Guide
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Table of Contents
Troubleshooting
