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Product Categories>CATV Headend & Interface>RF Modulators

Blonder Tongue MICM-45S 54-600MHz Stereo AV Modulator Modules for HE-4 and HE-12 Rack Chassis

The MICM-45S is a professional quality, channelized, heterodyne stereo A/V modulator providing a stereo audio and video modulated RF carrier on any single VHF channel. It provides modulated RF carrier output on any single VHF channel, including: broadcast TV (2-13), CATV (14-135). It is ideal for placing audio and video onto any unused VHF channel. Any standard audio/video source can be used, such as satellite receivers, television cameras, video tape recorders, or television demodulators. The MICM-45 utilizes SAW filtering with FCC group delay pre-distortion to provide true vestigial sideband selectivity which makes it perfect for use in adjacent channel systems.

The MICM-45C takes baseband audio and video and modulates these signals onto the desired output channel. The MICM-45S takes baseband L/R audio and video and modulates these signals into the desired output channel.

The heterodyne conversion process used in the unit employs a crystal referenced, PLL synthesized local oscillator. This guarantees rock solid, no-drift output for the life of the modulator. The MICM-45 meets FCC Docket 21006 aeronautical frequency offset requirements (�5 kHz video carrier accuracy). The modulator accepts standard polarity (sync negative) video in the range of 0.7 to 2.5 V pp. It has field defeatable audio pre-emphasis to provide stereo compatibility with any external BTSC stereo generator providing a composite stereo baseband output.

Features

5-860 MHz Channelized Audio/Video Modulator
SAW Filtered to True Adjacent Channel Response
Die-Cast Chassis Offers Superior Protection Against Ingress or Egress
Front Panel Accessible Level Controls for Easy Set-Up and Adjustment
Integrated Stereo Encoder

MICM-45S-2

Blonder Tongue MICM-45S Module Sereo AV Modulator 45dB 54-600 MHz Channel 2