This circuit, suggested by Texas Instruments, uses a TIS43 or 2N2646 to produce short light pules. The amplitude of the pulse is adjusted by the trimpot and frequency is given by R/C1. Power supply can range from 9 to 20 V.
This circuit, suggested by Texas Instruments, uses a TIS43 or 2N2646 to produce short light pules. The amplitude of the pulse is adjusted by the trimpot and frequency is given by R/C1. Power supply can range from 9 to 20 V.