User's Guide

DE
DANIELS
ELECTRONICS
UHF Transmitter Instruction Manual UT-3 406 - 512 MHz 1-5
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).
1.4.3 Physical Specifications
Physical Dimensions: Width: Height: Depth:
7.1 cm (2.8 in) 12.8 cm (5.05 in) 19 cm (7.5 in)
Module Weight: 1.5 kg (3.3 lbs)
Corrosion Prevention: Anodized aluminum construction. Stainless steel hardware.
Selectively conformal coated glass epoxy 2 and 4 layer printed
circuitboards. Gold plated module connectors.
Module Design: Compact Eurostandard modular design. Plug-in modules mate
with Daniels standard M3 repeater subrack. Subracks /
modules comply with IEEE 1101, DIN 41494 and IEC 297-3
(mechanical size / modular arrangement).
External Connections: RF Connection: type N connector located on the transmitter
module front panel. Motherboard Connections (Audio, Power,
and Control) are made through a 48 pin, gold plated, type F
connector on the rear of the transmitter module. User
connection made through mated "motherboard" assembly of
the repeater subrack. Type F standard connector complies with
DIN 41612 Level 2 (200 mating cycles, 4 day 10 ppm SO
2 gas
test with no functional impairment and no change in contact
resistance).
Handle Text Colour: Black.