This circuit was found in a 1967 General Electric documentation. Tunnel diodes can oscillate at very high frequencies. These are not currently easy to obtain components.
This circuit is from an Argentine publication from 1973. It provides a signal to an amplifier from...
This filter was obtained from the Texas Instruments Linear Circuits Applications. It makes use of...
We found this circuit in a 1997 documentation. It can be used in any common 12 V source and has...