EDN

Create radio receiver circuits with the LM386 audio amplifier

Although the ubiquitous LM386 IC was designed to be used as an audio amplifier, it has a number of undocumented characteristics that can be exploited to create simple radio receiver circuits that ...
EDN

Ku-band RF PLLs have integrated VCO for low phase-noise local oscillator circuits

The TFF100xHN family of Ku-band RF PLLs has integrated VCO intended for low phase-noise local oscillator (LO) circuits in Ku-band VSAT transmitters and transceivers. Manufactured in a high-performance ...
Electronic Design

Use Current-Mirror Biasing To Avoid Squegging In RF Oscillators

If you've ever designed an RF oscillator, you've probably encountered squegging. Sometimes called "motor boating," squegging causes oscillators to start and stop at frequencies much lower than the ...
Hackaday

rf oscillator

There are plenty of hobbies around with huge price tags, and ham radio can certainly be one of them. Experienced hams might have radios that cost thousands of dollars, with huge, steerable antennas on ...