HP 8648 A/B/C/D - Changpuak.ch

FSK Deviation
Option 1EP Only
FSK Deviation
Description This adjustment modifies the FM Multiplier and Out-of-band Kv arrays
used by the signal generator synthesizer module. The purpose is to
provide a more accurate FM sensitivity calibration while operating
with FSK modulation.
Required Test
Equipment
Procedure
w Vector Signal Analyzer
Ext Ref Ou
HP8648 [-
UNDER TEST IO MHz Ref In
an64a2d
VECTOR SIGNAL ANALYZER
1 Input
Figure 7-33. FSK Deviation Test Setup
1. Connect the equipment as shown above.
2. Preset all of the equipment.
3. Follow the instructions as they are displayed on the PC.
Ext Ref In
3
10 MHz Ref
To IF Section
Adjustments 7-33