This high impedance step suggested by an English publication can operate up to 1 MHz with 1 V rms output. Input impedance is 1 M ohm.
This circuit works directly connected to the network and special care must be taken with its...
This circuit is from a 1976 Motorola power semiconductor manual. In it we have the optical...
We found in an old documentation how to use a 555 as a monostable key. The circuit should not be...