Found in the August 1994 issue of Electronics Now, this CMOS circuit uses the 4046, which is uncommon today.
With a coil formed by 7 turns of 26 AWG wire this circuit operates in the 27 MHz range. But you...
This transmitter for the 80-meter band (3.5 MHz) was found in an old documentation for radio...
This circuit is from Mallory 1968 documentation. The circuit makes use of period components and...