designed to detect very weak light pulses lasting 1uS.
http://www.imagineeringezine.com/PDF-FILES/500vrvr3.pdf
drives a small camera type flash tube.
http://www.imagineeringezine.com/PDF-FILES/xen2xtr.pdf
This trouble-free two-wire flasher is indespensible.
http://www.wenzel.com/pdffiles/flasher1.pdf
This two-transistor two-wire circuit finds numerous applications.
http://www.wenzel.com/pdffiles/xmasflsh.pdf
A charge control circuit turns off the high voltage generator when the photoflash capacitor is fully charged.
http://www.imagineeringezine.com/PDF-FILES/xenfls1.pdf
generates a continuous series of very small sparks across electrodes with a 0.05 inch gap.
http://www.imagineeringezine.com/PDF-FILES/spark4.pdf
This is the matching transmitter for the above receiver. The transmitter launches powerful 1000-watt light pulses that last about 20 microseconds.
http://www.imagineeringezine.com/PDF-FILES/airmon2.pdf
http://www.web-ee.com/Schematics/OptoelectronicsSuite/sbea001.pdf