Photomultiplier tube trigger (CB8868E)

We found this circuit in a 1970’s Philips documentation. The circuit uses components from that time.

AC134 or AC126 stage (CB4267E)
This step uses germanium transistors such as the AC151, GE2, and others having been found in a...
Operational with adjustable gain (CB7409E)
This circuit was obtained in an Electronic Design from the 80's. It has the adjustment of the gain...
High Stability Emitter Follower (CB25618E)
We found this high input impedance, low output impedance amplification stage in the October 1993...