9 V to 5 V converter LT1175 (CB14616E)

We found this circuit in the 1997 Linear Technology Applications. The components used were common at the time.

Load disconnect switch (CB8517E)
Found in a 90s Maxim documentation, this circuit disconnects the battery in case of overload. The...
Mini Central for Intercoms (CB18747E)
In fact, we can say that this circuit found in documentation from the 90s, consists of an intercom...
Tetrode FET amplifier (CB7098E)
Suggested by a 1965 Electronic Design, this circuit has a gain of 15 dB at 45 MHz and can be...