Solar timer (CB20498E)

This very low consumption circuit can be powered by a solar cell. The time indication is given by a microammeter.

Fiber Optic Receiver (CB14601E)
This circuit was found in the Linear Technology Applications of 1997. The circuit uses components from...
Walkman Power Supply (CB17969E)
This is a 5 V power supply from 2002 documentation, suitable for walkmans and diskmans, common at the...
Bidirectional ramp generator (CB8934E)
In fact, this 1967 Electronic Design circuit generates two symmetrical ramps whose frequency...