This 5-band function generator circuit was found in the April 1994 Electronics Now magazine. The circuit has three possible waveforms and employs additional operationals.
This circuit was found in a Mullard transistor manual from 1960. Note the symmetrical power...
This amplifier step with a transistor has an input impedance of 100k to 10 M. The transistor can be any...
I found this little signaling transmitter in old American documentation. The circuit has a good...