The project was based on the KA22429 that is equivalent to a TDA7021 to create a small and cheap FM receiver. The microchip used in this circuit came from the family Philips TDA7000. Two application ...

The VHF super regenerative receiver has been trimmed down to a single transistor without compromising its tremendous sensitivity and selectivity while maintaining the same clear audio. The original ...

Azden has launched its new 200UPR, a dual-channel, 63-frequency UHF receiver that operates in the 794 - 806MHz band. The receiver allows videographers to record audio from two subjects simultaneously, ...

Andrew Skotdal The author is licensee of 50 kW AM stations KRKO and KKXA in the Seattle market, chair of the Washington State Association of Broadcasters and a former NAB board member. He participated ...

Back in 1986 when I first started reporting on workboats, the most modern thing in the pilothouse may have been the coffee maker. Navigation was mostly "between the sticks" and via compass and ...

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