User's Manual

68P80801E35-B 5/1/2002 3
EBTS System Manual - Vol 2 Base Radio
Generation 2 Single Channel 800 MHz Base Radio Overview
Generation 2 Single Channel 800 MHz Base Radio Overview
The BR provides reliable digital RF communication capabilities in a compact
software-controlled design. Increased channel capacity is provided through voice
compression techniques and Time Division Multiplexing (TDM).
The BR contains the five FRUs listed below:
❐ Enhanced Base Radio Controller (EBRC)
❐ Exciter or Low Noise Exciter
❐ Power Amplifier
❐ Power Supply (DC)
❐ Receiver
The modular design of the BR also offers increased shielding and provides easy
handling. All FRUs connect to the backplane through blindmate connectors.
Figure 1 shows the front view of the BR.
EBTS282
101497JNM
ENHANCED CONTROL
RESETBR PS EX PA CTL R1 R2 R3
SERVICE ACCESS
POWER AMPLIFIER
POWER SUPPLY
3X RECEIVER
INSERT ONLY IN SLOT RX2 WITH BACKPLANE 0183625X
LOW NOISE EXCITER
Figure 1 Generation 2 Base Radio (Typical)