Found in a 1969 EEE, this circuit is based on an operational amplifier of the time and on old type MOSFETs. The components support modern equivalents.
Found in a 1969 EEE, this circuit is based on an operational amplifier of the time and on old type...
This circuit was found in a 90s Popular Electronics. Both the coupler and the MOSFET can be of any...
This interesting circuit of an ancient American publication makes the pattern of an exclamation mark...