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.
The oscillator shown in the figure can generate signals between 3 and 15 MHz approximately, depending...
Operational amplifier such as the CA3140 or the TL series can be used in this circuit from a 1982...
With the configuration shown in the figure, a single pulse for a counter can be obtained from a...