Found in a 90s documentation, this circuit triggers the SCR when there is an overvoltage in order to cause the fuse to blow quickly. The SCR can be a TIC106.
In this amplifier, the supply voltage is 35 V and the input resistance is 2k2. Equivalent...
This high speed laser diode driver was found in a 1980s documentation. Power FETs can be replaced...
This instrumentation amplifier with differential inputs was found in documentation from the 90s....