We found this circuit in an old Radio Electronics. The transistors can be the BC548. The circuit tests signals of up to a few megahertz giving the status indication on an LED.
Crystal Probe (CB6190E)
- Details
- Written by: Newton C. Braga
We found this circuit in an old Radio Electronics. The transistors can be the BC548. The circuit tests signals of up to a few megahertz giving the status indication on an LED.
