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.
This circuit can be used in PLL, frequency synthesizer in FM and VHF receivers, reducing a...
Found in an American circuit manual from the 1970s, this circuit can use any general-purpose transistor....
This power supply was obtained from an Electronic Design from the 90's. The circuit applies to...