Audemat-Aztec Audemat-Aztec
HELIOS Exciter

Techincal specifications

Mono Operation
Input impedance 2 kΩ
Audio connector "BNC"
Input level for ±75 kHz deviation - 6 dBu → + 12 dBu
Bandwidth 40 Hz - 15 kHz < ± 0,5 dB
Out of band rejection > 35 dB @ 19 kHz
Distortion for ±75 kHz deviation < 0,25 %
Distortion for ±100 kHz deviation < 0,3 %
AM modulation < 1 %
FM S/N ratio > 70 dB @ ± 75 kHz
Intermodulation distortion < 0,05 %
Multiplex Operation
Input impedance 2 kΩ
Audio connector "BNC"
Input level - 6 dBu → + 12 dBu
Bandwidth 40 Hz - 55 kHz < 0,2 dB
20 kHz - 100 kHz < 0,4 dB
Distortion for ±75 kHz deviation < 0,25 %
Distortion for ±100 kHz deviation < 0,3 %
FM S/N ratio > 70 dB @ ± 75 kHz
Controls
Frequency programming LCD or RS232
LCD and RS232 controls Frequency / Deviation /
Direct power / Reflected power /
VSWR / Right and Left level /
RDS name (if available)
Alarms PLL indication
V.S.W.R.
Power loss
Left, right and modulation adjustments Front panel potentiometer
Power adjustment Front panel potentiometer
RF test Front panel
Output level 10mW = 100W
RDS or SCA Auxiliary
Input impedance 2 kΩ
Input connector "BNC"
Bandwidth 50 kHz - 100 kHz
Modulator phase difference < 2°

Options

Available optional boards 
Stereo encoder CSS
Receiver / demodulator Control TUN
Remote control and remote monitoring TS
Digital remote control and remote monitoring TN

HARDWARE DESCRIPTION

Frequency range 87,5 MHz - 108 MHz
Output power 20/50/100W
RF output connector "N"
RF output impedance 50 Ω
Programming steps 10 kHz
Frequency stability < 10-6
Modulation type FM - F3
Harmonic rejection > 75 dBc @ 87,5 - 137 MHz
> 70 dBc
Power supply 88 - 264 VAC, 47 - 63 Hz
Power consumption "H 60 VA @ 20 W, 230 V - 50 Hz
"H 240 VA @ 100 W, 230 V - 50 Hz
Pre emphasis mono 0 μs / 50 μs / 75 μs
Size 19" - 2U
(89 (H) x 480 (l) x 493(L) mm)
(3.5"(H) x 19" (W) x 19.4"(L))
Operating temperature 5°C - 45°C (41°F - 113°F)
Weight "H 10 kg (22 lbs)