This circuit was found in documentation from the 1970s. However, it can be implemented with modern transistors such as 2N2222 for Q1 and BF494 for Q2. The crystal depends on the desired frequency.
The Texas Instruments TPS7A92 integrated circuit consists of a low-voltage (LDO) linear voltage...
Molex Sealed Industrial USB Solutions achieve superior signal integrity in harsh factory and...
This dimmer or light control for incandescent light bulbs or even small heaters, is one of many...