Unleveled Rf Output Adjustments - HP 8340B Manual
Synthesized sweeper (including options 001, 004, 005,006, and 007)
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- Manual (530 pages) ,
- Operating instructions manual (119 pages) ,
- Operating manual (14 pages)
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5-14. UNLEVELED RF OUTPUT ADJUSTMENTS
Reference
Performance Test: Maximum Leveled Output Power and Accuracy
Service Section: RF
Description
The A28 SYTM Driver assembly is adjusted to cause the SYTM frequency response to track the YO
frequency. When the YO
SYTM is minimum; therefore, SYTM tracking is adjusted while viewing power out versus frequency
and adjusting the SYTM for maximum power out. In the multiplying bands, Bands 2, 3, and 4, optimum
biasing of the step
out. Since this the case, the SRD bias adjustments on the A24 and A26 assemblies are also performed
in this procedure.
HP 8340B/41B
Section
is in the center of the SYTM passband, the power loss through the
frequency
diode (SRD, internal to the SYTM) is also required for maximum power
recovery
Figure 5-40.
Unleveled RF Output Adjustments Setup
OSCI LLOSCOPE
Adjustments
5-71
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