User's Guide

DE
DANIELS
ELECTRONICS
1-2 Transmitter Main Board Instruction Manual
1.2.2 Audio Specifications
Audio Input: Balanced 600 ohm or unbalanced (optional).
Input level sensitivity, -25 dBm to 0 dBm.
Audio Response: Pre-emphasis (6 dB per octave); +0.5 to -2.0 dB
from 300 Hz to 3 kHz;
Flat Audio Response: +1 to -1 dB from 100 Hz to 3 kHz.
Audio Deviation: Preset to ±1.5 kHz (Narrow Band) or ±3.0 kHz (Wide Band)
with a 1 kHz tone (capable ±2.5 kHz or ±5.0 kHz).
Subtone Audio Input 1: 0.5 Vpp at 200 Hz for ±500 Hz deviation
(internally adjustable).
Subtone Audio Input 1 Frequency range: 60 Hz to 300 Hz.
Subtone Audio Input 2: 0.5 Vpp at 100 Hz for ±500 Hz deviation
(internally adjustable).
Subtone Audio Input 2 Frequency range: DC to 150 Hz.
Direct Modulation Input: 0.5 Vrms at 1 kHz or ±3 kHz deviation.
Direct Modulation Frequency range: DC to 5 kHz.