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2-10 MHz Shortwave receiver and 1 transistor VFO's By Ko Tilman
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Text: English. A schematic from a simple 5 transistor Shortwave receiver, usable for receiving broadcasting stations on frequencies between 2 and 10 MHz. Also 2 VFO schematics are given to make this... More > radio function properly. Though not designed for this purpose, tips are given to receive SSB and radio amateur stations with the help of a BFO (beat frequency oscillator). Please make the following textual adaptations to the text: A) page 25 the VFO signal is injected into the emitter B) page 35 remove the sentence "like the 2N2219" and C) page 43: NPN=PNP (BD 140).The schematics are all correct.< Less