A8 Jumper; A8 Jumper Locations - Agilent Technologies 83620A Service Manual

B. A8 Jumper
1. On the synthesizer, make sure the line power switch is set to standby.
2. Lift up the A8 modulation generator assembly far enough to access the
jumper shown in Figure 3-36.
3. he AM input impedance is factory-set to the 50 ohm position. o change
it to 2 k , move the jumper to the position marked \2K". he jumper can
be returned to the position marked \50" to change the AM input impedance
to 50 ohms.
4. Reinstall the A8 assembly.
Figure 3-36. A8 Jumper Locations
Related Performance Tests
AM Accuracy
AM Bandwidth
AM Dynamic Range
In Case of Difficulty
If the jumper is missing, see \Replaceable Parts".
3-116 Adjustments
AM Input Impedance
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