automatic volume control การใช้

In contrast to ARA and SCR-274-N receivers, all AN / ARC-5 receivers have automatic volume control and a modified tube complement.
In 1924 he became Hazeltine Corporation's first employee, and in 1925 created the first radio receiver with a diode automatic volume control that maintained a constant sound level while tuning to broadcasts of differing strengths.
In 1920-1921 he undertook graduate studies in mathematical physics at Harvard University, then spent a year at the Radio Frequency Laboratories in Boonton, New Jersey, where he worked on radio receivers and made inventions for stabilization of radio-frequency amplifiers via a Wheatstone bridge, linear detection at high signal levels, and automatic volume control.
A step up to the LS model, for $ 18, 995, automatically brings the V-6 engine, power windows / mirrors / door locks, split-folding rear seat, AM / FM / cassette with speed-compensated automatic volume control, six-way power driver's seat, custom cloth seats, cruise control, low-oil warning light, remote keyless entry, fog lights and 15-inch aluminum wheels.