Belar RFA-1A FM RF Amplifier

BELAR RFA-1A FM RF AMPLIFIER

DESCRIPTION

The Belar RFA-1A FM RF Amplifier is a crystal-controlled, fixed-frequency 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 series. A sophisticated, multistage filter ensures the highest possible performance.

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.

FEATURES

Automatic Gain Control (AGC)
Input Attenuator: 0, 6, 12, 18 dB, switched
10 bar LED RF level indicator

SPECIFICATIONS

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 			87.0 - 108.0 MHz (specify frequency)

Outputs 				650 kHz IF, 10.7 MHz IF, 97.7 MHz to 118.7 MHz LO                                          (depending on carrier frequency)

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 			9 lbs