We found this circuit in the Texas Instruments optoelectronics manual. Field effect transistors can be BF245 and bipolar BC548. The sensor is a photodiode in the photo-generator mode.
Tone controls for audio applications can also be considered filters that must attenuate certain...
The coils of this simple mid-wave radius are wound 28 or 26 on a 12 to 30 cm long ferrite rod and the...
This monostable circuit uses one of the two flip-flops available on the CMOS 4098 integrated...