The circuit is from 80s Siliconix documentation. The integrated circuit is from the company and is not common today. It can be used operational equivalent more common in our times.
This circuit uses a diode as a radiation sensor. The operational ones are old because the...
This interesting circuit was obtained from a 90's EDN. What it does is generate negative voltages...
The gain is given by R1 and R2. The circuit is from the 1993 Motorola Linear Interface ICs. The...