This circuit operates with frequencies from 0.5 to 400 MHz. We find it in a 90’s NASA documentation. The transistors are from that time.
This small source is suitable for low consumption equipment that uses batteries. The circuit is...
This interesting circuit was found in an Argentinean Radio Chassis Television magazine from March...
This circuit is from an 80's documentation, firing when the input voltage exceeds 5 V. The SCR can...