Found in a 90s R-E Experimenters Handbook, this circuit amplifies signals from 100 Hz to 3 MHz. The circuit has a gain of approximately 30 dB. Bipolar transistors are general-purpose types.
This circuit was found in a 1977 Radio Shack documentation. The unijunction transistor can be...
We found this source with the CI 723, common at the time, in a 1989 paper. Power transistors must be...
June 2017 - Mouser Electronics has the new Texas Instruments OPA167x series operational amplifiers available...