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Transmitter
Table 14-7 Transmit Specifications – TETRA (Continued)
Transmitter Specification
Adjacent-channel Power due to Switching
Adjacent-channel Power due to Linearization
Tx Conducted Emission
Intermodulation Attenuation
RF Input Impedance
Table 14-8 Transmit Specifications – TEDS
Transmitter Specification
QAM (TEDS) Transmitted Power (10, 20 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
Transmitter Modulation Accuracy
Synchronization
Adjacent-channel power (25kHz)
Adjacent-channel power (50kHz)
Adjacent-channel Power due to Switching
14-8
Chapter 14: Technical Specifications
Value or Range
-50 dBc
-30 dBc
100 - 250 kHz
250 - 500 kHz
500 - frb kHz
At receive band
70 dB
50 Ω (nom.)
Value or Range
10 W, 20 W
+2.0 dB
+3.0/-4.0 dB
-36 dBm/-40 dBc
± 0.007 ppm
Stability with site reference connected
to station and locked to GPS.
High Power TEDS BR: 2W - 32 W
Base Radio Power Limits above are
also applicable for 800 MHz.
12 dB
10% RMS/Burst
1/4 symbol
Offset
25
50
75
Offset
37.5
62.5
87.5
-45 dBc
-80 dBc
-85 dBc
-90 dBc
-100 dBc
Limit
-55
-65
-67
Limit
-55
-63
-65
6802800U74-N September 2009
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