Transmitter; Table 14-7 Transmit Specifications - Tetra - Motorola DIMETRA MTS 2 Installation, Configuration And Basic Service Manual

MTS 2 and MTS 4 Installation, Configuration and Basic Service Manual

Transmitter

The Transmit specifications for TETRA are listed in
ifications for TEDS are listed in
Table 14-7 Transmit Specifications – TETRA
Transmitter Specification
Pi/4 DQPSK Transmitted Power (10, 25, 40 Watts
depending on the configuration) measured at RFDS
antenna port:
Normal Conditions:
Extreme Conditions:
Transmitter Power (off/standby)
Frequency Stability
Base Radio Power Limits
Transmitter Power Control
Carrier Feedthrough
Transmitter Modulation Accuracy
Synchronization
Adjacent-channel Power due to Modulation (Normal
Conditions)
Adjacent-channel Power due to Modulation
(Extreme Conditions)
6802800U74-N September 2009
Table
In Table 14-7 and Table
system output, unless otherwise stated.
Table 14-7
14-8.
14-8, all specifications are observed at RF distribution
Value or Range
10 W, 25 W, 40 W
+2.0 dB
+3.0/-4.0 dB
-36 dBm/-40 dBc
± 0.007 ppm
High Power BR: 5W - 80 W
Low Power BR: 2W - 36W
12 dB
-26 dBc
6% RMS/Burst
1/4 symbol
± 25 kHz
± 50 kHz
± 75 kHz
± 25 kHz
± 50 kHz
± 75 kHz
and the Transmit spec-
Stability with site reference connected
to station and locked to GPS.
Base Radio Power Limits above are
also applicable for 800 MHz.
(30% peak/symbol)
-60 dBc (800 MHz:
-55 dBc)
-70 dBc (800 MHz:
-65 dBc)
-70 dBc (800 MHz:
-65 dBc)
-50 dBc (800 MHz:
-45 dBc)
-60 dBc (800 MHz:
-55 dBc)
-60 dBc (800 MHz:
-55 dBc)
Transmitter
14-7