Here is a simple circuit for a one transistor Audion type radio powered by a 1.5 V battery. It employs a set of standard low-impedance headphones with the headphone socket wired so that the two sides ...
Recently my colleague Paul Rako contacted me to let me know about a newly published, McGraw Hill book entitled, “Build your own transistor radios” by Ronald Quan. One of the most successful blog posts ...
Can a simple medium-wave radio receive shortwave broadcasts? In 2005, Burkhard Kainka answered that question with a creative two-transistor converter.
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