Users Manual Part 1

Figure 150: MTS 4 TX on one Antenna and two RX Antennas Filter Configuration
PRESELECTOR PRESELECTOR
POSTFILTER
CAN
IN
CAN
OUT
Figure 151: MTS 4 TX on one Antenna and three RX Antennas Filter Configuration
PRESELECTOR PRESELECTOR
POSTFILTER
CAN
IN
CAN
OUT
PRESELECTOR
7.3.2
MTS 4 Preselector
The MTS 4 Preselector is a bandpass filter, which only allows the receiver signals to pass.
MTS 4 Preselector bandwidth is:
• 5 MHz for 400 MHz version
• 6 MHz for 260 MHz version
•
19 MHz for 800 MHz version
The filter’s bandwidth is designed to block transmitter frequencies. The receive and transmit bandpass
are 10 MHz apart for 400 MHz, 9 MHz apart for 260 MHz, and 45 MHz apart for 800 MHz. The
Preselector incorporates an LNA followed by an RMC.
The MTS 4 Preselector has four RX outputs and one expansion output.
6802800U74-AP
Chapter 7: Radio Frequency Distribution System
293