Its a basic tutorial for beginner on how to read circuit diagram for everyone with no previous experience of radio beyond turning the knobs of broadcast or TV receiver finds him self with a few hurdles to clear before he can begin to assimilate principles. This tutorial will guide to understanding the basic of electrical components and symbols such as: Wiring, resistors, capacitors, indicators and transformers, vacuum tubes, switches and relays, semiconductors, connectors and many more. This manual divided into 2 parts available free to download in pdf format.
Download part I
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