Pulsar TC-10B, Руководство пользователя

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13.1 RF Interface Module
Description
The RF Interface Module, used with the
TC–10B/TCF–10B, has several functions:
• Receives RF input from 10W PA Module.
• Matches output impedance at 50, 75, or
100 Ω .
• Low-pass filter covers RF spectrum up to
550 kHz.
• Permits 2- or 4-wire operation.
• Protects against line surges with a gas tube
device.
13.1.1 RF Interface Control Panel
(This panel is shown in Figure 13-1.)
Operator controls consist of Test Jacks:
TJ1 Line In
TJ2 Line Common
TJ3 Receiver In
TJ4 Receiver Common
13.1.2 RF Interface PC Board
(The RF Interface PC Board is shown in
Figure 13-2.)
Operator controls are as follows:
Matching Impedance Jumpers
JU4 50 Ω
JU3 75 Ω
JU2 100 Ω
Copyright © 2003 Pulsar Technologies, Inc.
Chapter 13. RF Interface Module
13
Schematic 1609C32-8
Parts List 1609C32-8
Group Description
G01 RF INTERFACE
Table 13–1. 1609C32 Styles and Descriptions.
RF INTERFACE
LINE
LINE
COM
RCVR
RCVR
COM
Figure 13–1.
RF Interface Module
Front Panel.