Typical Frequency Response (2.0 Ghz - 5.8 Ghz) - HP 8566B Adjustment Manual

2 1. Frequency Response Adjustments
3-188 Adjustments
73. On the spectrum analyzer, key in
[
ENTER
TRACE B [j], IHOLD).
74. Readjust 17-turn (YTX Diode Bias) potentiometer A6AlOR18 VB
to maximize the overall level of the displayed signal responses
from 2.0 GHz to 5.8 GHz on the spectrum analyzer display.
75. Readjust 25-turn (YTX Drive) potentiometers A6A12R63 5.8
the displayed signal responses from 2.0 GHz to 5.8 GHz
spectrum analyzer display.
76. Gradually readjust (Band B Lower Segment) A6AllR51 Bl
and (Band B Upper Segment) A6AllR69 B2 as necessary for
maximum flatness of the displayed signal responses.
77. On the spectrum analyzer, key in SWEEP
( - ], m
CLEAR WRITE
78. Press SWEEP [SINGLE]
sweep to complete (150 seconds) and the SWEEP LED to turn
off. As the spectrum analyzer tunes from 2.0 GHz to 5.8 GHz,
the spectrum analyzer frequency response should be displayed as
TRACE B, as shown in Figure 3-96.
S T ART

Typical Frequency Response (2.0 GHz - 5.8 GHz)

79. On the spectrum analyzer, key in (RECALL) 4, (HOLD) and repeat
steps 74 through 76 as necessary.
80. On the spectrum analyzer, key in [RECALL) 5 and wait for the
sweep to complete (150 seconds) and the SWEEP LED to turn
Off.
)
TIME
on the spectrum analyzer and wait for the
Figure 3-96.
on
the
)
WEEP TIME