Atec Aeroflex-3920 User Manual
Page 20
PROTOCOL
TETRA
RF SIGNAL GENERATOR
FREQUENCY
Range
10 MHz to 1.05 GHz (Standard)
(Usable from 100 kHz)
10 MHz to 2.7 GHz (392XOPT058)
(Usable from 100 kHz)
Resolution
1.0 Hz
Accuracy
Frequency standard ±1 count
OUTPUT LEVEL
Range
T/R Port: -130.0 dBm to -40.0 dBm
Gen Port: -130.0 dBm to 0 dBm
Resolution
0.1 dB
Accuracy
1.0 dB for levels >-110 dBm (typical
better than 0.6 dB)
1.5 dB for levels ≤-110 (typical
better than 1.0 dB)
MODULATION
Type
π/4 DQPSK, 18 ksymbols/sec, TETRA
filter (RRC with ≤0.35)
Accuracy
<3% RMS
<6% peak
Residual Carrier Power
<-35 dBc
TEST SIGNALS
TETRA MS
Main Control Channel (MCCH) Traffic
Channel (TCH/S) containing silence or
1 kHz tone or talk-back, Fast
Associated Control Channel (FACCH)
TETRA MS T1
T1 test signals (in accordance with
ETSI EN 300 394-1) T1 type 1
(TCH/7.2), T1 type 2 (SCH/F), T1 type
3 (BSCH + SCH/HD), T1 type 4
(TCH/2.4), T1 type 15 (TCH/S), T1
type 17 (TCH/4.8)
TETRA BS T1
T1 test signals (in accordance with
ETSI EN 300 394-1) T1 type 7
(TCH/7.2), T1 type 8 (SCH/F), T1 type
9 (STCH+ STCH UL), T1 type 10
(TCH/2.4), 18 Frame PRBS, Framed
PRBS, Unframed PRBS
TETRA DM
Traffic Channel (TCH/S) containing
silence or 1 kHz tone ot talk-back
Decode
Color Code, Call ID, Unit ID
Simulation
Color Code, Call ID
Symbol Deviation
Range
1500 Hz to 2350 Hz
Resolution
0.1 Hz
Accuracy
±10 Hz (1745 to 2140 Hz)
Symbol Clock Error
Range
±1000 mHz
Resolution
0.01 mHz
Accuracy
1 ppm (-48 to +48 mHz)
Frequency Error
Range
±4000 Hz
Resolution
0.01 Hz
Accuracy
Frequency Standard ± 1 count
Magnitude Error
Range
0 to 5%
Resolution
0.01%
Accuracy
<10% of reading (0 to 2%)
UUT TX/RX Bit Error
Rate
Range
0 to 20%
Resolution
0.1 %
Signal Power/Slot
Power
Range
T/R port: -60 to +51 dBm
ANT port: -100 to +10 dBm
Resolution
0.1 dB
Accuracy
±1 dB (typically better than ±0.6 dB)