HP 8566B Adjustment Manual page 283

All YTO Loop Frequency:
41. On the synthesized sweeper, press Icw) and key in the M/N Loop
Frequency from step 40.
42. Press @Z?ZiZ) on the second spectrum analyzer. Connect the CAL
OUTPUT signal on the second spectrum analyzer to the RF INPUT
on the second spectrum analyzer, and press Cm] 8.
43. Adjust the AMPTD CAL control on the second spectrum analyzer
for a -10.00 dBm displayed signal. Then, key in (2-221, (SHIFT_)
[ )
FREQUENCY SPAN
the self-correction routine to complete. Key in [m) TRACE A
44. Use a second BNC to SMB snap-on test cable to connect the RF
the
INPUT of second spectrum analyzer to AllJ5 IF OUT.
45. Set the controls of the second spectrum analyzer as follows:
START FREQUENCY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 MHz
STOP FREQUENCY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .70 MHz
REFERENCE LEVEL . . . . . . . . . . . . . . . . . . . . . . . . . . . + 10 dBm
LOG SCALE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 dB/DIV
RESOLUTION BW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .300 kHz
46. The IF OUT fundamental and second harmonics should be visible
at approximately 30 MHz and 60 MHz on the display of the second
spectrum analyzer, as shown in Figure 3-75. Key in MARKER
of the second spectrum analyzer.
30 MHz YTO Loop Sampler Response at A 1155 IF OUT
47. On the Spectrum Analyzer (DUT), turn the DATA knob as
necessary to tune the IF OUT fundamental to 30.0 MHz f 0.5
MHz, as indicated by the marker on the display of the second
spectrum analyzer.
16. YTO Loop Adjustments
Figure 3-75.
Adjustments 3-143
MHz