The LM121 integrated circuit is no longer common in our market, with more modern equivalent versions. The circuit is from the 1994 Linear Applications Handbook by National Semiconductor.
Found in the August 1994 issue of Electronics Now, this CMOS circuit uses the 4046, which is...
We found this circuit in an English publication from 1982. The power MOSFET can be of any type and the...
This tunnel diode oscillator was found in July 1986, Radio Electronics magazine. Note the low...