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Atec Aeroflex-3920 User Manual

Page 20

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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)