Triggered 2 kHz Shield (CB4881E)

Details: Written by: Newton C. Braga

This circuit produces a 2 kHz tone on a standard piezoelectric transducer. The circuit can be used as alarm or shield. The frequency can be changed by changing C1.

Circuit Bench

Visual Modulation Monitor (CB5354E)
R1 may be 10k and R2 100k. The transistor can be the BC548 and instead of the small lamp we can...
Current Sensor LT6102 (CB5232E)
This circuit was found in the 2005 Linear Technology Linear Circuit Manual. It is a sensor with large...
Dosimeter (CB5922E)
This circuit uses a diode as a radiation sensor. The operational ones are old because the...

Triggered 2 kHz Shield (CB4881E)

Latest

Circuit Bench

Datasheets