Qei 691 Fm Modulation Monitor

US $789

  • Indianapolis, Indiana, United States
  • Mar 3rd
The 691 FM Modulation Monitor/Test Set is a, precision instrument employing a combination of  techniques in a single versatile, but very compact package. It has been designed to be a complete FM test package with facilities for all proof-of-performance measurements and a wide range of trouble-shooting tests. Operator convenience and simplicity of use were primary considerations in the design of the 691. Component selection and device ratings are such as to enhance the instrument's reliability even with adverse handling. The 691 occupies only 10-1/2 " of vertical rack space in a standard 19" rack. A Short List Of Features: A Complete Proof-of-performance Instrument For Mono, Stereo And SCA Measurements Tunable In 100 KHz Steps Over The Entire FM Band Auto-Ranging Meters Select Correct Meter Operating Range Automatically Converts A Standard X-Y Oscilloscope Into A Spectrum Analyzer For Occupied Bandwidth Observations Off-The-Air Or Direct Transmitter Connection Will Accept Up To 50 Watts Of RF Input With A Suitable Load Termination Functional Front Panel Layout With Color Coded Groupings And Unique Over-under Meter Arrangement Extremely Low Internal Distortion Peak Flasher Adjustable From 1% To 199% With Digitally Displayed Peaks Per Minute Vector Display Of Stereo Phasing With Standard Oscilloscope Composite Input Allows Direct Measurement Of The STL Receiver, Stereo Or SCA Generator Output Over Forty Proof-of-performance And Trouble-shooting Tests Possible When Used With An Oscilloscope Built-in Modulation Calibrator Built-in Bessel Null Feature Allows Field Calibration Verification

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