This trigger circuit is from 80s documentation. Transistors support equivalents and capacitors depend on the type of trigger signal.
This is the receiver for the CB17133E. Its main feature is that it uses only transistors. The...
This integrator circuit uses the junction FETs which can also be the BF245 or MPF102. The...
Found in a Philips documentation from 1967, this circuit is intended for applications with...