This low power circuit was obtained from an American 80's documentation. The circuit indicates the voltage of a battery being trimmed by the trigger point. The transistors can be the BC549.
We found this circuit in the 1977 RCA Solid State ICs. The circuit consists of a current amplifier with...
This circuit was found in the 1967 RCA SCR manual. The circuit generates approximately 300 V at a...
We found this circuit in a 1978 publication. It is possible to detect the emission of infrared in remote...