ATR833A / P/N 833A-(xxx)-(1xx)
Operation and Installation
44
Dokument-Nr.: 01.1411.010.71e / Revision: 3.00
TRANSMITTER
POWER OUTPUT
6 W (nominal)
4 W (minimal)
HARMONIC DISTORTION
< 10 % bei 70 % modulation
SIDETONE OUTPUT
>0,5W into 300
Ω
(per headphone)
MICROPHONE INPUTS
2 x standard (50mV…2V) into 100
Ω
2 x dynamic microphone
HARMONIC CONTENT
>60dBc
MODULATIONFIDELITY
deviation <6dB (350…2500Hz)
CARRIER NOISE LEVEL
>35dB at 70% modulation
UNWANTED FREQUENCY-
MODULATION
<1kHz at m=70% / 1kHz
DUTY CYCLE
2 minutes on, 4 minutes off;
automatic turn-off after 2 minutes of
continuous transmit operation
RECEIVER
SENSITIVITY
-105 dBm (>6dB S+N/N,
m = 30 % /1 kHz)
BANDWIDTH / 25 KHZ
-6-dB-bandwidth > ±8.0 kHz
BANDWIDTH / 8.33 KHZ
-6-dB- bandwidth > ±2.78 kHz
SELECTIVITY
(channel spacing 25 KHZ)
-40-dB- bandwidth < ±17.0 kHz
-60-dB- bandwidth < ±22.0 kHz
SELECTIVITY
(channel spacing 8.33 KHZ)
-60-dB- bandwidth < ±7.37 kHz
SPEAKER-OUTPUT
≥
4 W into 4
Ω
(speaker output)
AGC CHARACTERISTICS
AF output deviation < 6 dB
from 10 µV to 10 mV
SQUELCH
Automatic Squelch (adjustable)
SPURIOUS RESPONSES
> 80 dB
DISTORTION (350…2500Hz)
<25% at rated power (85% / -33dBm)
<10% at 10dB below rated power (70%
/ -33dBm)
