Improving Plug-In Coils

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KirtB
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Improving Plug-In Coils

Post by KirtB » Tue Jul 25, 2017 9:42 am

Improving Plug-In Coils, February 1935 Short Wave Craft

Before plug-in crystals were widely available for band selection on radios, LC tank circuits did all the frequency discrimination heavy lifting. Accordingly, owners often had a selection of swappable inductors on-hand to enable listening to a variety of shortwave transmissions. During the time period of this article in a 1935 Short Wave Craft magazine, new 'all wave' radios were hitting the showroom floors that largely mitigated the need for swapping components for ... http://www.rfcafe.com/references/short-wave-craft/improving-plug-in-coils-short-wave-craft-february-1935.htm
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