We found this circuit in a 1977 Timers Cookbook. The circuit uses common components to divide a 1 kHz signal by 2. The output has an amplitude of 2 Vpp.
With a load of 35 ohms this amplifier provides a power of a few tens of milliwatts, but we can use an...
This 1965 General Electric circuit uses a "Thyrector" that is a suppressor of the time. The...
The coil of this transmitter has 4 coils of wire 26 or 28 in the form of 1 cm without core and on it...