This transmitter for the 2-meter range with a power of 1.5 W was found in a magazine 73 for radio amateurs. No information was provided about the coils.
Found in a 1990s Motorola documentation, this circuit aims to protect a triac that drives an...
In the figure we have the way to implement an adjustable active cycle oscillator using PLL 567....
This circuit was obtained in a June 1987 magazine Hands-On. It is a circuit that indicates on an...