A Planet Analog article, “ 2N3904: Why use a 60-year-old transistor? ” by Bill Schweber, inspired some interest in this old ...

Two tuners were developed for this receiver. The more sensitive one uses tetrode transistors in the RF amplifier, mixer and oscillator. Its disadvantages lie in a much higher cost and a 12 to 14 db ...

[Kevin Darrah] wanted to make a simple 3.3V regulator without using an integrated circuit. He wound up using two common NPN transistors and 4 1K resistors. The circuit isn’t going to beat out a cheap ...

Radio experimenters often need a variable capacitor to tune their circuits, as the saying goes, for maximum smoke. In decades past these were readily available from almost any scrap radio, but the ...

Abstract: As electronic device scaling approaches its physical limit, multivalued logic has emerged as a promising alternative to traditional binary logic because it can significantly enhance the ...

Michael Caine's former home in England, where he lived for 15 years, is on the market for $13.4 million. The home features six bedrooms, an indoor pool and a cinema room. Legendary "Tonight Show" host ...

Abstract: THE oscillator described in this paper was designed to supply the excitation or carrier signal for a second-harmonic type of magnetic modulator. A brief discussion of the modulator will show ...

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