The circuit of Figure 1 includes a PIN photodiode that detects individual photons of gamma ... You can test the circuit by using an inexpensive smoke detector. The ionizing types of smoke detectors ...

For more infrared detectors check the list bellow. The infrared detector circuit can be easily wired on a small veroboard or any general-purpose printed circuit board. Pin configurations of IC LM386, ...

Seiko Instruments Inc. announced the S-1910x series voltage detector with SENSE pin for automotive use that ... The S-1910x has options available with a delay circuit or without a delay circuit ...