Undervoltage detector with the LM3900 (CB25172E)

The figure shows how to implement an undervoltage detector using a Norton amplifier and a zener diode as the main elements.

Loudness Control (CB872E)
This circuit changes an audio signal to get better reproduction. It is important when editing...
Square Oscillator (CB23733E)
The circuit shown in figure 5 generates square signals based on a transconductance operational amplifier...
HSFM C11x Tricolor ChipsLEDs (COM005E)
May 2016 - It can be obtained from Mouser Electronics new tricolors chipsLEDs from Broadcom for...