Solid Signal > Commercial Equipment > Modulators and Demodulators > Pico Digital MMA860S
The MMA860S is a professional grade microprocessor-controlled stereo agile audio/video minimodulator. This modulator accepts any audio-video baseband television signal and provides a 45dBmV minimum output on CATV channels 2 to 135 (54-860 MHz). Channel selection is easily accomplished via channel up/down buttons located on the front panel.
- 135-Channel Range 54-860 MHz (CATV 2-135)
- >45dBmV min adjustable output for optimum carrier-to-noise performance
- Compatible with most manufacturers’ mini-modulator chassis
- State-of-the-art digital phase locked loop (PLL) design guarantees precise frequency locking for solid drift-free operation
- Microprocessor control enables quick digital push-button channel selection for ease of installation, configuration and improved system uptime
- SAW (surface acoustic wave), filtered for superior adjacent channel performance, enables drop-in channel expansion
- In-band carrier-to-noise ratio >65dB ensures superior picture quality
- Automatic selection of aeronautical offsets (12.5kHz, 25kHz) for trouble-free configuration
Up to 12 or 16 units can be installed "mix-and-match" in Pico Digital’s MPC-12, MPC-12C, MPC-12R chassis with MPCM45 mini-modulators or MPCD mini-demodulators. Its unique design enables it to be installed in other manufacturers’ mini-mod chassis. The unit’s tracking filter technology and double-heterodyne conversion ensures accurate and spurious-free output. The MMA860S uses SAW filtering in conjunction with FCC group delay correction circuitry to provide superior adjacent channel selectivity. The unit’s PLL circuitry in conjunction with the non-volatile memory contained in the microprocessor ensures easy and reliable channel selection and restoration. The MMA860S modulator is shipped with all internal adjustments preset.
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