BELAR RFA-4 FREQUENCY AGILE FM RF AMPLIFIER
The Belar RFA-4 Frequency Agile FM RF Amplifier is a microprocessor controlled, tunable RF amplifier designed for use with Belar's complete line of FM monitors, including the FMM-1 series, the FMM-2 series, and The Wizard. It features 10 memory locations for one-button access to 10 stations with call letters. Direct dial of any standard FM frequency is also possible, and UP/DOWN buttons are included. The station's call letters can be programmed into the display with the frequency for quick and easy reference. A sophisticated, multistage filter ensures the highest possible performance.
When used with The Wizard Precision Digital FM Modulation Analyzer (Model FMMA-1), the RFA-4 can be operated completely remotely, via an IBM compatible PC and 2400-baud modems. Any preset can be accessed, and any station can be dialed in directly.
Local Oscillator and 10.7 MHz IF outputs are provided for use with the Belar FMM-4A Frequency Monitor for easy and convenient off-air frequency measurement.
RF Input Sensitivity 100 uv Signal-to-Noise Ratio: 100 uV input 75 dB 500 uv input 85 dB RF Input Impedance 75 ohms, BNC Connector Input Attenuator 0, 6, 12, 18 dB RF Frequency Range 87.75 - 107.95 MHz in 50 kHz increments Outputs 650 kHz IF, 10.7 MHz IF, 98.45 MHz to 118.65 MHz LO Capture Ratio 1.5 dB Selectivity: Alternate Channel 27 dB 3rd Adjacent Channel 46 dB Harmonic Distortion < 0.03% @ 1 kHz, 75 kHz deviation Separation with FMM-2 or Wizard Demod 1 kHz 65 dB, 15 kHz 55 dB Dimensions 1 EIA Rack Unit 1.75"H x 10.5"D x 19"W Power Requirements 110/220 VAC, 50/60 Hz Power Consumption 20 VA Shipping Weight 11 lbs© Copyright 2000 Belar Electronics Laboratory, Inc. All rights reserved. Specifications subject to change without prior notice.
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