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 ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. RIO RANCHO, N.M.—Designed to operate in the VHF broadcast band, Lectronsonics has unveiled its ...

The report describes the design of an experimental transistor f.m. broadcast receiver. The circuit uses ten transistors which are currently available at moderate cost, and embodies a recently ...

The University of Kaiserslautern and the Fraunhofer Institute for Integrated Circuits in Erlangen, Germany, have developed a prototype portable DRM+ receiver from commercially available parts. This ...

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 ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The new GXL-V and GXL-U wireless systems, that are designed for ease of use and flexible ...

The local oscillator of a v.h.f. television receiver tends to radiate energy at harmonics of the fundamental oscillator frequency. Some of these harmonics fall within the u.h.f. Bands IV and V and may ...

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 ...