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Calibrating the Measurement
4. After the connections have been made and checked,
press the | Proceed softkey.
The HP 8662/3A will be set to the AM calibration
parameters specified in the Calibr. Proc parameter menu.
The calibration source is automatically set when it is under
system control as shown in the source control diagram in
Table 3-23. If the source is under manual or user control, the
HP 3048A will prompt you to set the calibration source
(actually the DUT) to 1% AM at a 1 kHz rate.
5. When the calibration source has been set, press the
Proceed softkey.
The detector constant will be measured, and the
measurement will proceed automatically. The measurement
data will be displayed on the computer screen as each
segment of data is taken.
Note
The filter network, if built as specified, will provide accurate
results down to an offset of 1 Hz.
3-116
Signal Source Applications
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