
Using the HP 11848A internal 10 MHz A source as the time base for
the HP 8662A will extend the tuning of the 640 MHz reference, thereby
increasing the amount of tuning at the carrier frequency. Refer to the
Tuning Characteristics table in Chapter 8, Quick Reference for guidelines
for tuning with 10 MHz A.
SOURCE CONTROL
FOR
MEASUREMENT USING
fl
PHASE LOCK LOOP
MANUAL CNTRL
_DN C0NV._
U729C
SYSTEM CNTRL
HP 11S4SR
REF SOURCE
3662A
SYSTEM CNTRL
TIME BASE
:
NOT
IN USE
"1
TUNE VOLTAGE
DCFM Voltage
Figure 6-17. EFC Tune Voltage Tuning with HP 8662A 640 MHz Reference
Down Converters 6-39
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