This circuit was found in an American documentation from the 90's. The transistor is a general purpose one. The circuit oscillates well between 12 and 30 MHz with the indicated components.
The circuit presented generates pulses at regular intervals with the duration controlled by a...
Found in Electronics Now, this circuit generates signals for testing like a signal injector. The...
This simple expandable circuit was obtained from a Popular Electronics from the 80's. The supply...