Low temperature sensor (CB7814E)

Found in 90s Radio Electronics, this circuit is indicated for reading temperatures below zero.

UHF Amplifier (CB24689E)
Created to serve as a booster for TV signals in the UHF band, this circuit was found in the March...
High Voltage Regulator (CB19513E)
This circuit can supply output voltages from 50 to 250 V from an input voltage of 300 V. The...
Function Generator with the 8038 (CB427)
Square, triangular and sawtooth signals are produce by this circuit. Frequency is adjusted by P1...