HP 8568B, Performance Tests And Adjustments Manual, Page: 228 / 313

16. Second IF Amplifier and Third Converter Adjustment
14.
15.
16.
17.
See Figure 3-65 for the typical response when the filter
is properly adjusted.
On the scalar network analyzer, press MAX. Press cursor
A, ON and set the cursor to the -3 point on the low side of the
filter response
Press cursor A and set the cursor to the -3 point on
the
high
side on
the
filter response. The cursor A should read 0 fO.l
I F A M P L I F I E R C O N V E R T E R
\
A M P T D
Figure 3-64.
Location of 301.4 BPF and 280 MHz AMPTD Adjustments
Figure 3-65.
301.4 MHz Filter Adjustment Waveform
On the synthesized sweeper, press and set the Marker to the
-3 point on the low side of the filter response.
On the synthesized sweeper, press and set the Marker to the
-3 point on the high side of the filter response.
3-114 Adjustments