Agilent Technologies HP 8566B Spécifications Page 225

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8. 21.4 MHz Bandwidth Filter Adjustments
for satisfactory signal symmetry, increase or decrease value of
A4A4C66.
Refer to
‘Iable
3-3 for range of values.
All crystal filter bypass networks are removed. Signal should be
centered and symmetrical. If not, go back to step 14 and repeat
adjustments.
Press MARKER
[
PEAK SEARCH
)
and MARKER
Ln].
Key in (FREQUENCY SPAN) 20
kHz,
(RES]
3
kHz,
and MARKER
[PEAK
SEARCH).
22.
23.
24.
25.
A4A8
LC
Adjustments
26.
27.
28.
29.
30.
31.
Adjust
A4A4R49
XTAL to align markers on display. MARKER
A level should indicate 1.00 X. See Figure 3-42 for location of
adjustment.
Disconnect cable 97 (white/violet) from
A4A6Jl
and reconnect
cable to A4A8Jl. Reconnect cable 89 (gray/white) to A4A6Jl.
Key in
(jj]
100
kHz
and (FREQUENCY SPAN] 200
kHz.
Press
CREFERENCE
LEVEL
_)
and adjust DATA knob to place signal peak
approximately two divisions down from the top graticule line.
Adjust
A4A8C32
LC CTR and
A4A8C46
LC CTR for maximum
MARKER level as indicated by CRT annotation. See Figure 3-43
for location of adjustments. If unable to adjust
A4ASC32
and
A4A8C46
LC CTR adjustments for satisfactory signal amplitude,
increase or decrease value of
A4A8C35
and
A4A8C49.
Refer to
‘Iable
3-3 for range of values.
A4A8
Attenuator Bandwidth Filter
A4A8
Figure 3-43.
Location of
A4A8
21.4
MHz
LC Filter and Attenuation
Adjustments
Key in
(j-1
1 MHz and
(j-1
2 MHz, MARKER
(PEAK SEARCH] and MARKER la].
Key in
(REs)
100
kHz,
(j-1
200
kHz,
and MARKER
(PEAK
SEARCH].
Adjustments
3-95
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