This circuit was found in Texas Instruments documentation from 1968. The transistors are from that time, admitting modern equivalents. The response ranges is from 20 to 20 000 Hz.
This circuit was found in an old publication and can be adapted for use with modern...
The circuit presented generates pulses at regular intervals with the duration controlled by a...
The LS150 is an uncommon high-performance operational amplifier today. The circuit is from old...