Circuits & Schematics - Radio - 5

Subsection: "Radio"
  Including:
  Antennas   Morse
Search results: 44 Output: 41-44
  1. Alan Yates Michael Rainey (AA1TJ) has been acting as my muse again. He knows of my fondness for minimal component radios and sent me an old Italian article Il Pigmeo, which features a one-transistor 27 MHz walkie talkie (apparently capable for 400 ...
    Mar 26, 2008
  2. Chris The idea to create a type of close proximity radar system came from a student in one of my classes. We went ahead and decided to streamline the idea into the course as one of the projects we'd build. After a week or two of prep time we ...
    Feb 28, 2008
  1. This is an quite old project I made in 1996 but still interesting. It's an simple RDS decoder based on TDA7330B RDS demodulator and AT90S2313 (obsolete part, replace with Atmel ATtiny2313 ) controller. The RDS data is displayed on an 2 x 16 ...
    Oct 15, 2007
  2. Popular Electronics magazine, July 1989 This simple little circuit can be used for AM, FM, and Shortwave(SW). On the shortwave band this active antenna is comparable to a 20 to 30 foot wire antenna. It is further more designed to be used on ...
    Feb 10, 2007