November 2007
Intermediate to advanced
736 pages
46h 32m
English
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AM TUNERS
Amplitude modulation tuners covering the broadcast band from 500 to 1500 kHz, are usually of the superheterodyne type, having an r.f. preamplifier to reduce image interference, a first detector-oscillator to convert the signal frequency to a lower level—where there are better r.f. amplification conditions—a second detector to rectify or pick-off the sound signal from the carrier signal, and an audio amplifier and output arrangement to bring the signal to sufficient level to drive a basic audio amplifier or control unit of hi-fi type. In addition, there may be the usual control features, such as automatic volume control, noise limiting, and others.
It is generally agreed that high fidelity reproduction entails a frequency response that ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.