This circuit was found in an Elektor from the 90s. It makes use of digital CMOS integrated devices common today. The signal is controlled automatically sequentially.
This small digital transmitter uses a 1 MHz crystal, or another nearby frequency, to produce a...
This amplifier, which can supply 3 or 5 W of power, according to the values of some components given in...
Found in Motorola documentation from 1967, this circuit shows how it is possible to obtain a...