This circuit uses a diode as a radiation sensor. The operational ones are old because the publication is from the 80's, but modern low voltage equivalents can be tested.
USB58xx and USB59xx Devices Integrate a 2:1 Multiplexer to Support Reversible Connection of USB...
This circuit was obtained from an ancient American documentation. The coil consists of 80 to 100...
In the figure we show how to implement a voltage reference with the ON Semiconductor rail-to-rail...