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Assembly Descriptions
A22 - Radiated Filter Board Assembly
A22 - Radiated Filter Board Assembly
The A22 Radiated Filter Board Assembly is serviced as an assembly only; no
component level repair is supported.
Refer to
Figure 3-3
and
provides preselection to the CISPR bands C and D from 30 MHz to 1 GHz. It
contains 2 I/O ports.
Connector
Description
J803
RF input
P1
RF output
The board consists of input pin switches for selecting the desired filter path. The
filters on this assembly are all varactor tuned filters, the tuning voltages for these
filters come from the A21 Radiated Input Board Assembly.
Radiated Bands
Band 0
Band 1
Band 2
Band 3
Band 4
Band 5
Band 6
Band 7
Band 8
110
Figure
3-4. The A22 Radiated Filter Board Assembly
Connects To
A21 Radiated Input Assembly
A21 Radiated Input Assembly
A22 BPF Frequency Ranges
28 MHz - 55 MHz
55 MHz - 100 MHz
100 MHz - 155 MHz
155 MHz - 235 MHz
235 MHz - 350 MHz
330 MHz - 470 MHz
470 MHz - 620 MHz
620 MHz - 820 MHz
820 MHz - 1000 MHz
Chapter 3
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Table of Contents
Troubleshooting
