Technical information

Amplifiers & Modulators
AV TO DIGITAL COFDM MODULATOR
MOD-COFDM
Converts composite Analogue audio and video (PAL, NTSC or
SECAM) from Video Cameras, Security Cameras, DVD players
and set top boxes into digital terrestrial. Retains picture quality
across small or large distribution networks.
High compatibility with Australian televisions. Excellent
picture quality.
(Please see page 127 for more details)
Now you can make any DVD, Camera or Video and Audio source into a TV channel, and mix it with your off air TV for
distribution to every set on the antenna system.
STEREO AUDIO
Full
Stereo
Sound
MD531 is a stereo TV Modulator with features that suit both
professional and domestic applications. Connecting to existing
equipment is simple through the RF Input. F type RF and RCA
AV connectors round out MD531 connectivity. A wide range
of Australian output frequencies between 45 and 860MHz
including S channels can be easily selected. Output level
can be reduced by up to -15dB where necessary or a serious
distribution network of say 30 TVs directly connected. Onboard
mains power supply included!
Frequency Range 47–862MHz
Channels
0..5A, S1..S10, 6..12, S11..S41,
21..75
Audio/Video input 2 x RCA Audio, 1 x RCA Video
TV output(RF) F female
Extension input(RF) F female
Video input level 1,0Vpp (75Ω)
Audio input level 0,2–2,0Vrms(>10KΩ)
Output level 84dBμV
Output level adjust -15dB
Extension input(RF) loss 0.9dB
Carrier/Noise Ratio (C/N) >58dB
Mains Voltage 240V~ 50/60Hz, 5VA
MD531
Kingray modulator packages available. (See page 130)
Double sideband Stereo modulator. Continuous frequency
coverage in 250KHz frequency steps, PLL stable, with 63-
103dBμV out. Video 1Vpp@75Ω; audio >.1V @10KΩ. Mount
holes 170mm apart. Stand alone or GME Kingray rack
mount option.
MD100VS
44–470MHz. Ch. AU 0–12+ requires 500mA
PSK- 18S or 1700mA PSK18KR.
MD100US
470–860MHz. Ch. AU 20–75+ requires 500mA
PSK-18S or 1700mA PSK18KR.
Full
Stereo
Sound
LM3878
Audio/Video double side band modulator.
UHF output channels.
RF output level 70+ dBμV + or – 5dB.
MODULATORS, MONO AUDIO
,
,
NEW
Catalogue 106
44