Found in American documentation from the 90's, this circuit oscillates up to 150 MHz. The transistor supports an equivalent and the diode is general-purpose.
The base of this circuit is 1/4 of an integrated circuit 4136 which consists of a quadruple 741....
This circuit has a common configuration widely used in projects on this site. The transistor is...
This circuit appears elsewhere in this section and on this site. The circuit generates a linear...