Satellite Systems Downconverter 4421 L-band to 70 MHz

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Click Double your traffic. Get Vendio Gallery - Now FREE! Up for sale is a Satellite Systems Model 4421 Downconverter. I honestly don't know what exactly this does, but it is in great physical condition and Guaranteed to be in Working order. The Model 4421 dual synthesized L-band to 70 MHz downconverter is specifically designed for use with phase locked loop LNBs. The frequency stability and phase noise characteristics of the Model 4421 downconverter are ideal for compressed digital audio carriers. The superior phase noise characteristics of the Model 4421 facilitate data rates as low as 19.2 kbps. Unit Specifications Input Frequency MHz Output Frequency 52 to 88 MHz Spectrum Inverted Input Impedance 75 ohm Output Impedance 50 ohm Gain 25 dB, maximum Level Stability ±2 dB, maximum Frequency Stability 2 ppm Phase Noise >70dB/Hz, 1 kHz from carrier Image Rejection >40 dB over input frequency range Frequency Tuning Transponder 1 - 24 IF Level Adjust Front panel Indicators LED for loss-of-lock, Sum alarm, Local/Remote Mode Alarm Output Form C, relay (LNB Power) Input Connector Type-F, Female, 75 ohm Output Connector Type-BNC, Female, 50 ohms LNB Power +22 VDC, on input connector(strippable in/out) Primary Power 90 - 260 VAC, 50 - 60 Hz, 45 watts max. Dimensions 1 RU, 19" x 12" x 1.75" Operating Temperature -10º to +40º C Model 4421 read more

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