Based on Texas Instruments documentation, this circuit is based on the BQ2000 a circuit used to power LEDs. The circuit can be used with lithium-ion batteries.
This circuit uses two transistors and can be powered by just two small batteries. The frequency is given...
This circuit was found in the February 1985 issue of Radio Electronics magazine. It is based on an...
This circuit from Ferranti was released in 1969. It makes use of the company's transistors that admit...