We found this circuit in a Poptronics from 1998. The circuit can be extended to more competitors with another 4011. The power can be made with voltages from 6 to 12 V.
This circuit has been found in an old documentation, but can be used as input shield for current...
This amplifier with antique germanium transistors is from a 1968 publication. The circuit provides...
August 2016 - It can be obtained from Mouser Electronics new wireless 3W transmitters from RTD to...