We found this circuit in the Linear Applications Handbook of the National Semiconductor of 1994. The circuit can be adapted to use other operational amplifiers and the power supply must be symmetrical.
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...