Howard Armstrong didn’t invent the ZN414. Besides, it’s a TRF receiver, Tuned Radio Frequency, which was a step up from a “crystal radio”, and was the trend except for Armstrong’s receivers.

Building radio receivers from scratch is still a popular project since it can be done largely with off-the-shelf discrete components and a wire long enough for the bands that the radio will receive… ...

THIS “concise handbook for the radio service engineer“is a happy augury for the day when radio service will be done by engineers and not by ‘black-coat’ plumbers. The author is chief ...

THIS book forms the second part of a comprehensive treatise on the principles of design of radio receivers, the first part of which was reviewed in Nature of June 12, 1943, p. 657. Part 2 ...

National Institutes of Natural Sciences. "New radio receiver opens wider window to radio universe." ScienceDaily. www.sciencedaily.com / releases / 2021 / 07 / 210708111502.htm (accessed June 2 ...

The LM386’s potential as a radio receiver was discovered a number of years ago while investigating anomalous behavior in a receiver that used one of these devices. During the troubleshooting, it ...

Radio receivers will be fitted to a thousand ants in world first experiment probing their habits and means of communication. By DAILY MAIL REPORTER . Published: 12:12 EDT, ...

The radio receiver was first put on sale in December 2000 and the television receiver in June 2004. Both receivers generated considerable public response. These products are shown in Fig. 10.

For more information on the best satellite radio receivers for cars, refer to our table of contents. Updated on 2/22/2025 with additional information on satellite radio pricing.

Radio engineering became an attractive field for people interested in advanced technology and research laboratories like that operated by the Radio Corporation of America (RCA) pushed advances in ...

Furthermore, this receiver system was mounted on the OPU 1.85-m radio telescope in NAOJ's Nobeyama Radio Observatory, and succeeded in capturing radio waves from actual celestial objects.