User's Guide

DE
DANIELS
ELECTRONICS
1-4 UHF Transmitter Instruction Manual UT-3 896 - 960 MHz
DOC Type Approval: RSS119 142 194 305
RSS122 142 221 131
FCC Type Acceptance: H4JUT-3-900-SN03 (896-902 MHz, narrow band)
H4JUT-3-900-SW03 (896-902 MHz, wide band)
H4JUT-3-930-SN03 (928-935 MHz, narrow band)
H4JUT-3-930-SW03 (928-935 MHz, wide band)
H4JUT-3-950-SN03 (935-960 MHz, narrow band)
H4JUT-3-950-SW03 (935-960 MHz, wide band)
1.4.2 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 -2 dB from 100 Hz to 3 kHz.
Audio Deviation: Preset to ±1.5 kHz or ±3.0 kHz 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 Freq 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 Freq range: DC to 150 Hz.
Direct Modulation Input: 0.5 Vrms at 1 kHz or ±3 kHz deviation.
Direct Modulation Freq range: DC to 5 kHz.
Audio Distortion: Less than 2.5% THD; 1 kHz tone at 1.5 kHz or 3 kHz
deviation (-40°C to +60°C).
Hum and Noise: Better than 40 dB (test receiver band limited: 400 Hz to 30
kHz).