741 Filter (CB24265E)

The 1 kHz tuned filter shown uses a 741 op-amp. The components can be re-scaled to suit the desired frequency.

Developing a Proximity Detector with the VCNL4200 from Vishay (ART340bE)
Vishay's VCNL4200 integrated circuit consists of a fully integrated proximity detector containing...
Overload sampler (CB8354E)
This circuit samples the current in a load and in case of excessive value it activates a...
Oscillator up to 50 MHz (CB23739E)
The frequency of this oscillator depends on the crystal used and the transistors. The circuit was...