This 1965 Philips circuit uses old company transistors like the BFY51 and BFY50. The circuit is powered by 12 V and the power gain is 8.9 dB.
This simple AM transmitter for very small ranges uses in the original version of the 1970s, a...
This circuit was obtained in a 1976 English magazine, and can be assembled with equivalent...
This circuit is from a 2001 publication. The balun transformers are of the commercial type for TV...