This transistorized shift register was found in a 1970s RCA documentation. The used transistors can supply 27 V loads with a 3A current of 3 A.
We find this circuit in the 80's own component manual. The power supply should be from 4 to 30 V...
This preamplifier with 1 CK722 transistor was found in Radio Electronics magazine from May 1959....
We found this circuit in an old neon lamp application manual. The circuit stores a call. The...