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CHPA SERIES
2.5.4
Grounding
Note: Proper grounding of the CHPA amplifier to the station ground buss
or to earth ground is necessary for personnel and equipment safety. The
ground screw on the CHPA rear panel must be used for this purpose.
2.5.5
I/O Interfaces
I/O interface connections are made at the rear panel of the CHPA via J4-J8, which are all
standard D-shell connectors. All of the D-shell connectors (except J8) on the rear panel of the
CHPA are female or "socket," meaning that interface cables constructed by the user must utilize
male or "pin" gender D-shell connectors. Shielded cables should be used with these interfaces.
For best EMI performance, use metal shell connectors and connect the cable shield directly to
the connector shell. (Refer to Chapter 3, "Interfaces," for pin-out information.)
•
Switch Port (J5)
•
Serial Remote Control (J6)
•
Computer I/F (J7)
•
User Interlock (J8)
•
Aux Serial Port (J10)
Note: Connectors J5 and J8 are shipped with jumper interlock connectors
attached. These jumpers are explained in Chapter 3; do not remove them
until you have read that chapter.
Note: Install 9-pin M-F adapter connector (part of ship kit) to CIF port (J7).
2.5.6
RF Connections
The following two RF connections are made at the rear of the CHPA:
•
RF Input (J2)—Type "N" female provided.
connection.
•
RF Output (J3)—Either a CPR-137 (C-band), WR-75 (Ku-band), WR-62 (high Ku-band)
waveguide flange. See details below.
•
The following (optional) RF connection is made on the front panel of the CHPA:
•
RF Output (sample) Monitor—Type "N" female provided. User needs type "N" male on
interface connection.
2-4
15-pin
9-pin
9-pin
9-pin
9-pin
THIS DOCUMENT IS THE PROPERTY OF COMMUNICATIONS & POWER INDUSTRIES.
REPRODUCTION OR RELEASE WITHOUT EXPRESS PERMISSION IS STRICTLY PROHIBITED
User needs type "N" male on interface
D
.01023245 R
.L
OC
EV
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