Found in a 1980s documentation, this amplifier uses an integrated circuit that is not easy to obtain now as it is of the era. The circuit is intended for FI ceramic filter circuits.
This circuit turns on and off from pulses applied to the CLK input. The output 0 goes to the “’1"...
Using the 555 this circuit was found in a Popular Electronics from the 90's. The circuit directly...
We found this circuit in a 1982 documentation. Its outputs must be applied to the input of an...