Found in an Electronics Now from the 90s, this circuit appears elsewhere in this section and website. The diodes are for general use and the basic frequency is given by C.
Suggested by Texas Instruments in 1968 documentation, this circuit uses components from the era....
I found this circuit in an article in a 2003 publication. The circuit is an example of how to...
This configuration makes use of an LM3900 transconductance operational amplifier. The transistor can...