It’s the heart and soul of your operation. Day in, day out delivering quality video, audio and data to your customers. There’s no bigger investment in your system than your headend electronics. Now think about what goes into a great headend: high-quality electronic equipment with state of the art design and engineering, equipment that you’re proud to see on the headend rack. Sleek and stylish on the outside. Powerful and reliable on the inside. Versatile and practical all around. Agile to meet your changing needs and able to reach your bandwidth requirements with capacity to grow. Specs to make you smile and performance to make your customers sit up and notice. Well, how about that: We’ve just described the Macom Professional Series headend products.

PCM55-SUB : 216 MHz Single Channel A/V Sub Band Modulator

Features

• 90-Channel Range 5.75-550 MHz (CATV T7-T13, 2-78, 95-99)
• Full 55dBmV output for optimum carrier-to-noise performance
• In-band carrier-to-noise ratio >62dB ensures superior picture quality
• BTSC Stereo Compatible pre-emphasis disable switch provides pass-through for stereo signals
• Highly accurate DIP switch controlled digital phase-locked loop (PLL) design guarantees precise frequency locking for solid driftfree operation
• SAW filtered IF for superior adjacent channel performance enables drop-in channel expansion
• Easy lab retuning of output filter for reduced inventory of spares and less down time
• Front panel controls and test point enable easy setup and monitoring
• IRC and HRC offset available for frequency settings in systems using offset channels
• Auxiliary AC outlet for convenience
• Optional PAL format channels available>

The Pico Macom PCM55SAW is a professional grade microprocessor controlled phase-locked loop synthesized channelized-agile audio-video modulator. The PCM55SAW provides a full 55dBmV minimum output from sub-band channels T7 through T13, and CATV channels 2 to 78 including channels 95 to 99 while accommodating HRC and IRC offset frequencies (5.75-550MHz). The unit is lab re-tunable within band via internal dip-switch channel selection and minimum output filter retuning. This modulator is used in more heavily channel-loaded systems and where cost effective expansion up to 550MHz is desired. Its phaselocked loop frequency control, and superior SAW filtering enhances stability, minimizes adjacent channel interference and assures accurate and spurious free output. The modulator is equipped with a pre-emphasis disable switch which enables pass-through of high-fidelity BTSC stereo signals where available. Superior out-of-band carrier-to-noise performance is achieved through bandpass filtering at the output amplifier. The modulator is shipped with all internal adjustments preset. FCC Docket 21006 offsets are standard. Pico Macom backs up this product with its industry leading 5-year limited warranty.

Specifications

RF

Audio

Video

Meets FCC group delay predistortion correction requirement for color transmission.

General

PCFM : Agile FM Stereo Audio Modulator	PFAM550 : 500Mhz Agile Audio/Video Modulator
PFAM550MT : 550MHz CATV Microprocessor-Control Agile A/V Modulator	PFAM550SUB : 550Mhz Sub-Band Extended Agile A/V Modulator
PCM55 SAW : 550MHz Channelized-Agile PLL SAW-filtered A/V Modulator	PCM55 SAW-HYPER : 55 dB Saw Filter Modulator
PCM55-SUB : 216 MHz Single Channel A/V Sub Band Modulator	PLM860SAW : 860MHz Channelized-Agile PLL SAW Filtered A/V Modulator
PM45 : 806 Mhz Channelized-Agile PPL SAW-Filtered A/V Modulator	PM45-UHF : 45 dB IF-Loop Modulator

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