Voltage reference (CB20820E)

This circuit was found in documentation from the 1980s. The circuit can be designed based on modern components.

Dual 5 V power supply (CB24805E)
We found this circuit in the June 1984 issue of Radio Electronics magazine. The circuit uses an...
50kHz Photo Diode Amplifier (CB4578E)
In the figure we have a practical circuit for a 50 kHz bandwidth amplifier using a photo diode as...
Up to 100 MHz Conrolled Oscillator (CB18934E)
This circuit stabilized by quartz crystal was found in a European documentation (France) from the...