This circuit uses an unusual PLL, the 4046 CMOS. We found it in the October 1994 issue of Electronics Now. The circuit also uses a 4093 gate as a trigger.
This small transmitter operates in the medium wave range. T1 is an output transformer for...
We found this circuit in the Radio Electronics magazine of May 1977. The circuit has the frequency...
The use of field effect transistors in this circuit improves its performance. This configuration is from a...