Catalog Index » HEADEND ANALOG » RF Modulators Demodulators
The Blonder Tongue AM Series includes professional quality, agile audio/video modulators equipped with the Emergency Alert System (EAS) feature, which can also be used as an alternate IF input. These units provide audio and video modulated RF carrier on any channel in the 54 to 550/750 MHz frequency range. The Blonder Tongue AM Series is ideal for placing audio and video onto any unused channel (broadcast and CATV, including HRC and IRC assignments). Any standard audio/video source can be used, such as satellite receivers, television cameras, video tape recorders, or television demodulators. Agile channel selection permits on-the-fly channel changes and reduces the need for large inventories of channelized products. These modulators have a wide range of standard and optional features that make them very suitable for advanced CATV systems.
The Blonder Tongue AP Series includes professional quality, agile heterodyne processors equipped with the Emergency Alert System (EAS) feature, which can also be used as an alternate IF input. These units convert any channel in the 50 to 806 MHz (7 to 43 MHz with Option 17) frequency range to any channel in the 50 to 450/550 MHz (7 to 450 MHz with Option 04) frequency range. The Blonder Tongue AP Series is ideal for moving an off-air channel (VHF or UHF) or any single channel source to any unused channel (broadcast or CATV, including HRC and IRC assignments) in the system. Agile channel selection permits on-the-fly channel changes and reduces the need for large inventories of channelized products. These processors have a wide range of standard and optional features that make them very suitable for advanced CATV systems.
The Blonder Tongue AM-60-860 SAP Stereo/SAP Agile Modulator is an analog audio/video modulator equipped with a stereo primary audio and a SAP (Secondary Audio Program) input. An Emergency Alert System (EAS) or alternate IF (Intermediate Frequency) input is also provided. The modulator provides audio and video modulated RF carriers on any NTSC CATV, VHF or UHF channel in the frequency range from 54 to 860 MHz. The unit is compatible with any standard audio/video source such as satellite receivers, television cameras, video tape recorders, or television demodulators.
The Blonder Tongue AP-60-860A (Agile Digital/Analog Processor) operates in one of the three following modes: Mode 1: Analog Heterodyne Processor (Analog RF IN > Analog RF OUT) Mode 2: Digital Heterodyne Processor (QAM IN > QAM OUT) Mode 3: Digital-to-Analog Processor (8VSB or QAM IN > Analog RF OUT).
The Blonde Tongue HE-12 and HE-4 are professional quality, modular headend systems, designed to maximize rack space. Each system begins with a rack chassis, either a horizontal 4 slot or a vertical 12 slot. The available slots can then be populated with a variety of modular components, including single width channelized audio/video modulators, a single width agile demodulators and single width agile micro modulators. (Note the demodulator can only be used in the vertical 12 slot chassis.) These modules are designed to work together to provide audio/video modulation and channel processing (modulator/demodulator).
The Blonder Tongue MICM series of products are fixed-channel analog audio/video modulators available in the following models: MICM-45C: The fourth generation of the MICM series, it is available in NTSC channels 2-135 (54-860 MHz) and the PAL B, G, and I channels in the same frequency range. MICM-45D: Is the same as MICM-45C, but with audio AGC (Automatic Gain Control) that eliminates loudness level variations among program sources. It is available in NTSC channels 2-125 (54-806 MHz) and PAL B, G, and I channels in the same frequency range. Optional stereo audio output is available for both MICM-45C and MICM-45D, but for NTSC models only.
The Blonder Tongue MIDM is a professional quality agile audio/video demodulator and is intended for both CATV and VHF & UHF applications. The unit is in a “single width” Die-Cast housing that allow deployment of up to 12 demodulator units in a MIRC-12 chassis.
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The Blonder Tongue ACM-806 is a frequency-agile analog audio/video modulator suitable for NTSC channels 2-125 (54-806 MHz).
The ACM-806 features front-panel LED display and Controls for convenient monitoring and operation; compact design allows for deployment of 12 channels in 2RU; Utilizes SAW filters for improved performance; Die-cast chassis for RFI immunity.
The Blonder Tongue MDDA-860 is a digital demodulator and transcoder that receives one input in ATSC 8VSB (digital off-air) or clear QAM (digital cable) format and delivers one output in ASI format.
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The Blonder Tongue AD-1 is a professional quality, agile audio/video demodulator. The unit provides audio and video outputs from any analog input channel in the 54 to 88 and 108 to 806 MHz frequency range. The AD-1 is ideal for signal monitoring and signal conditioning (audio/video processing and remodulation) applications. Agile channel selection permits on-the-fly channel changes.
The Blonder Tongue AD-1 is a professional quality, agile audio/video demodulator. The unit provides audio and video outputs from any analog input channel in the 54 to 88 and 108 to 806 MHz frequency range. The AD-1 is ideal for signal monitoring and signal conditioning (audio/video processing and remodulation) applications. Agile channel selection permits on-the-fly channel changes.
The Blonder Tongue AMCM-860 is a frequency-agile stereo analog audio/video modulator available in NTSC channels 2-135 (54-860 MHz). Models are available in both stereo and mono audio inputs. This 4th generation of AMCM-860 is equipped with the CALMTones feature, utilizing Audio AG.
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The Blonder Tongue BAVM-860SAW is an economical commercial quality TV modulator. It provides a +55 dBmV RF output on any specified CATV channel from 2 to 135 (54 to 860 MHz). HRC and IRC frequency plans are also available. The BAVM-860SAW is ideal for placing A/V program sources such as satellite receivers, VCR’s, DVD’s, cameras or TV demodulators onto standard 6 MHz NTSC TV channels for broadband distribution.
The R.L. DRAKE RMM12 Rack Mount supports a single Drake Power Supply and up to (12) modular Audio/Video modulators to configure a professional quality, modular, headend system, which optimizes rack space. Up to (12) Drake Video Modulators, in any combination, can be supported as well as combinations of video modulators with Drake Video and/or Audio Switching modules.
The Drake DMM806 Agile Video Demodulator is a professional quality agile television demodulator that provides an audio and video output from any VHF, UHF, or CATV channels (54 – 806 MHz). The Drake DMM806 is a standard single rack-unit design permits convenient pairing with a Drake Professional Video Modulator to perform off-air or CATV channel processing.
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The Drake VMM860AG is an agile, high quality, vestigial sideband, heterodyne audio/video modulator with synthesized visual and aural carriers. One to twelve modulators or other accessories can be mounted in the same amount of rack space typically required for two standard size units. Ideally suited for private cable, hotels and motels, institutional, and SMATV applications, the VMM860AG accepts video and audio baseband signals from a satellite receiver, TV camera, videotape recorder, TV demodulator, Drake VMM860AG is an agile, high quality, vestigial sideband, heterodyne audio/video modulatoror similar signal sources.
The Drake MPM860AG is a high quality agile channel processor designed to convert an input channel 3 or 4 to any CATV output channel from 2 to 135 or broadcast channel from 2-69. 1 to 12 processors or other accessories can be mounted in 2 RU (rack spaces) (3.5″). The MPM860AG joins the legendary Drake Mini Rack Solution as a device capable of receiving a modulated channel 3 or 4 from a digital DTA set top box that does not have composite audio/video outputs.
The Drake monaural VM2860 agile modulator offers identical performance without stereo sound or the ability to add SAP audio. Drake now offers superior stereo audio performance and extensive channel capacity with the VM2862 BTSC MTS stereo modulator. An optional secondary audio program (SAP) module may be field installed in the VM2862. As quality American made products from Drake, long recognized for manufacturing products of enduring quality and reliability, the VM2862 and VM2860 are designed and engineered to surpass the most demanding engineering requirements with frequency coverage up to 860 MHz.