Twin Modulator 7-8MHz Selectable Stereo

14MM-MT420C

Headend Equipment

Matchmaster has a full range of Headend equipment from entry level to complex systems, including engineering support and system designs. Matchmaster can offer simple Channel Filters with AGC through to complex DVB modules for any type of broadcast including Encoders, Modulators & Transmodulators for DVB-T, DVB-C, DVB-S/S2, IP, ASI, SDI, FM and many more.
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Features and Benefits

Modulating analogue video/audio signals into VSB RF channel with mono or stereo A2 sound
Frequency agile vestigial sideband TV modulators
LED display and push buttons control of internal microprocessor
RF output level and audio input level loop through RF combining low level harmonics and intermodulation products
Built-in test pattern generator

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Specifications

Number of Internal Channel Amplifiers	2
Video Input	RCA – Composite
Video Level/Impedance	1V ± 0.1V/75 Ohm
Audio Input	Dual RCA
Audio Level/Impedance	775mV / 10kOhm
Audio Level Adjustment	-6dB – 6dB (2dB steps)
TV Standard	B/G/D/K/Au stereo A2
Output Frequency	110-862MHz
Output Level	90dBµV
Attenuation Available	0 - 10dB in 1dB steps
Frequency Range of RF Combining	47 – 2150MHz
Combining Through Loss Terr/Sat	1.5/2.5dB
Return Loss	>10dB
A/V Ratio	12/16dB
IMD2/IMD3 Spurious Level	< -60dB
Power Consumption	12V 470mA
Operating Temperature	0 - +50°C