Filter
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3-3. Factory-Selected Components (continued)
Reference
Designator
A4A3R74
A4A3R79
A4A3R80
A4A3R8
1
A4A4ClO
A4A4C17
A4A4C38
A4A4C66
A4A4C70
A4A4C92
A4A4C97
A4A4C99
A4A4ClOO
A4A4ClOl
A4A4R3
A4A4R16
A4A4R20
A4A4R35
A4A4R40
A4A4R42
A4A4R44
A4A4R45
A4A4R60
A4A4R64
A4A4R65
A4A4R94
A4A5C9
A4A5RlO
A4A5R62
A4A5R70
A4A5R86
A4A6A2R33
A4A7C5
A4A7C12
A4A7C2 1
A4A7C30
A4A7C39
44A7C93
44A7R12
Adjustmenl
Procedure
10
11
10
10
10
7
7
7
7
7
Range of Values
(0
or
PF)
1.78 K to 13.3 K
8.25 K to 82.5 K
1.0 K to 6.81 K
1 K-OPEN
1.0 to 8.2
180 to 270
1.0 to 8.2
1.0 to 8.2
180 to 270
180 to 270
180 to 270
4to
13
4to
13
‘4 to 13
0 to 9.09
3.16 K to 8.25 K
6.19 K to 12.1 K
383 to 825
6.19 K to 12.1 K
1 K to OPEN
1 K to OPEN
0 to 100
3.1 6 K to 8.25 K
6.19 K to 12.1 K
909 to 2.73 K
100 K to
1M
Function of Component
Log fidelity
Bandpass
filter temperature compensation
Bandpass
filter temperature compensation
Bandpass
filter temperature compensation
Sets adjustment range of SYM.
Sets adjustment range of LC CTR.
Sets adjustment range of SYM.
Sets adjustment range of SYM.
Sets adjustment range of LC CTR.
Sets adjustment range of LC CTR.
Sets adjustment range of center cap.
Sets adjustment range of center cap.
Sets adjustment range of center cap.
Matches amplitude of LC to XTAL bandwidths.
Adjusts LC filter bandwidth.
Adjusts crystal filter bandwidth.
Matches amplitude of LC to XTAL bandwidths.
Adjusts crystal filter bandwidth.
Sets level of + 10 V TC supply.
Sets level of + 10 V TC supply.
Adjusts bandwidth shape in 10 kHz bandwidth.
Adjusts LC filter bandwidth.
Adjusts crystal filter bandwidth.
Adjusts positive feedback.
Sets adjustment range of LC amplitudes.
O-16
1.62 K to 2.61 K
1.33 K to 3.48 K
472 to 1.62 K
215 to OPEN
Sets adjustment range of FREQ ZERO COARSE.
Sets 18.4 MHz Local Oscillator power.
Adjusts A8dB step.
Adjust A4dB step.
Adjusts A2dB step.
42.2 to 75.0 Adjusts level of 3 MHz output.
56 to 82
56 to 82
56 to 82
56 to 82
56 to 82
1.5 to 12.0
10.0 K to 17.8 K
Centers first pole.
Sets adjustment range of second pole P K.
Sets adjustment range of third pole P K.
Sets adjustment range of fourth pole P K.
Sets adjustment range of fifth pole P K.
Centers first pole.
Adjusts crystal filter bandwidth.
3-14 Adjustments