This circuit is from a March 1967 Radio Electronics. The circuit applies to general purpose SCRs such as the TIC106, C106 and others. The test is done by increasing the gate voltage to the trigger point.
In the figure we have a circuit where two 555 operating one as astable and the other as monostable...
This is one of the many approaches we have on the site for this low power 0.5 W amp using the...
This 50 kHz oscillator makes use of a CTUJ, complementary unijunction transistor. The circuit is...