Solid Signal > Commercial Equipment > Modulators and Demodulators > PDI SAT PDI-55-SFS

PDI SAT PDI-55-SFS Fixed Frequency Modulator (PDI-55-SFS)

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PDI SAT PDI-55-SFS Fixed Frequency Modulator (PDI-55-SFS)

Brand: PDI SAT           P\N: PDI-55-SFS          

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Availability: Usually Ships Same Day
Condition: New

Your Price: $28999

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The PDI-55-SF are fixed channel, PLL controlled, video and audio modulators with SAW filtering. They are available for any cable channel between 2 through 134. Their video dynamic range insures 87.5% modulation depth over a wide video input range.


  • +55dBmV RF output level

  • Phase lock loop frequency control

  • SAW filtering for maintenance free adjacent channel configuration

  • BTSC composite baseband stereo compatible

  • Spurious output -60dBc

  • Auxiliary AC outlet

  • MTS Stereo Encoding


Frequency Range Channels   2-134 (54-860MHz)
Video Input Level   0.7 to 1.5 Vp-p for 87.5% modulation
Video C/N 60dB (4MHz BW)
Output Level  +55dBmV (±2dBmV audio RF level is adjustable from 13-20dB below video carrier)
Frequency Stability ±5kHz Maximum
Hum and Noise -60dB min. @ 87.5% modulation
Audio Input Level  250mV min. for ±25kHz deviation
Audio Input Impedance 600 ohms or High Z, unbalanced
Spurious Output -60dBc typical (@ A/V ratio-15dB) 
Power Requirement 117 V AC, 60Hz 15 Watts
Dimensions  19" W x 1¾" H x 6½" D
Frequency Response 20Hz to 14kHz + 1dB
Separation 27dB 20Hz to 14kHz Typical
Pilot Rejection 50dB
Signal to Noise Ratio 60dB
Audio Input Impedance 10K ohms unbalanced
Nominal Input Level (APL) 0dBm, Adjustable + 10dB
Distortion 0.5% Maximum THD



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