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The Armstrong super-regenerative circuit (1922)

Eltz, George Jacob, b. 1893 · New York, N.Y. : Radio Directory and Pub. Co. · leaf 21

An illustration from The Armstrong super-regenerative circuit, 1922, leaf 21
rger condenser will be equally satisfactory, theonly change being in the wavelength range covered. 2. This is the loop coupling coil. By referring to the drawingit will be observed that this coil is wound in three sections.Thirty turns in all are used spaced as shown in Fig. 11.In the actual set… … iM&it

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