Voice coil driven variable capacitor This device in from a Second World War radio altimeter, the APN-1. It is basically a speaker voice coil that drives one plate of a variable capacitor to produce a sweep frequency gene - Voice coil - Document - PDFSEARCH.IO

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	Voice coil driven variable capacitor This device in from a Second World War radio altimeter, the APN-1. It is basically a speaker voice coil that drives one plate of a variable capacitor to produce a sweep frequency gene Add to Reading List Document Date: 2013-08-29 08:27:34 Open Document File Size: 84,21 KB Share Result on Facebook Company Philips / / IndustryTerm test equipment / Wireless World magazine / / Person Bob Rundle / / Position speaker / / PublishedMedium Wireless World / / RadioStation Radio Altimeter / / SocialTag Electronic test equipment Oscillators Wobbulator Capacitors Laboratory equipment Sweep generator Tuner Variable capacitor Loudspeaker Electronic engineering

Voice coil driven variable capacitor This device in from a Second World War radio altimeter, the APN-1. It is basically a speaker voice coil that drives one plate of a variable capacitor to produce a sweep frequency geneAdd to Reading List