This UAA170 application circuit was taken from Siemens' own integrated circuits manual from 1976. The maximum supply voltage is 18 V.
This circuit was found in an Electronics World of 1968. It can be applied to any modern triac and...
This circuit is from a documentation from the 70s. The transistors are types of germanium of the...
Obtained from a 1996 documentation, this circuit uses common components and has a voltage gain of 200...