HP 8568B, Performance Tests And Adjustments Manual, Page: 232 / 313

17. Pilot Second IF Amplifier Adjustments
P I L O T P I L O T
I F A M P L I F I E R
C O N V E R T E R
\
F I L T E R
Figure 3-68.
Location of 269 MHz Filter Adjustments
3
2 1
Figure 3-69.
269 MHz Filter Adjustments Waveforms
15. 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
16. 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
17. Press on synthesized sweeper and set to three divisions down
(3 from top of filter response. Press and set to
three divisions down on opposite side of filter response.
18. Press MKR A
on
synthesized sweeper. should be greater
than 21 MHz.
19. Disconnect cable 80 from and cable 81
from and reconnect instrument cables.
Adjustments