This configuration was found in an English magazine from 1965. It is valid for any junction FET. The input impedance is 5.5 M ohm higher than conventional stages.
The circuit shown in the figure can generate signals up to 1.6 GHz. Coil L1 and capacitor C2 are...
The LM2904 is not very common today, but common comparators and operationals can be used in the...
Found in a 90s R-E Experimenters Handbook, this circuit amplifies signals from 100 Hz to 3 MHz....