Model 4500 L-Band to 70 MHz Downconverter

Functional Description

The Model 4500 Downconverter is designed to down convert a 950-1525 MHz frequency band to a 52 to 88 MHz IF signal.

Model 4500 Unit Specifications Input Frequency 950 to 1525 MHz Output Frequency 52 to 88 MHz Output Bandwidth 36 MHz Spectrum Inverted or non-inverted Frequency Tuning 1 MHz steps Input Impedance 75 ohm Output Impedance 50 ohm Input Level -40 to -75 dBm Output Level -15 to -45 dBm(Max. Gain) Gain Control > 25 db adjustment range Level stability ±1.5 dB typical, ±3.0 dB max (in any 36 MHz band) L.O. Reference 10 MHZ internal Frequency stability 1.0 ppm Phase Noise >75dB/Hz, 1 kHz from carrier Noise Figure <14dB Input Connector F - Female, 75 ohm Output Connector BNC - Female, 50 ohm Optional DC Power Contact factory for availability LNB Power +22 VDC, jumper in/out Prime Input Power 90 - 260 VAC, 47 - 63 Hz Auto-sensing, 45 Watts Max Dimensions 1 RU, 19" x 16" x 1.75" Alarm output Form-C relay Operating Temperature -10º to +50º C   Monitor and Control: Connector DB-9, Female Interface RS-232 or RS-485 (4-wire) Address Selection Soft addressing, front panel selectable

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