Intermittent Oscillator or Siren (CB18276E)

The basic siren configuration shown in figure 1 activates a piezoelectric transducer and can be used as an alert or warning device.

| Clique na imagem para ampliar |

Programmable Power Supply (CB24630E)
Using the HA2400 this circuit has its output voltage digitally programmed from the references...
Micro Spy (CB21872E)
Assembled with SMD components this circuit can be very small. The range is a few tens of meters. We...
CMOS Two-Tone Siren (CB18974E)
This circuit can be used as a shield when its supply is 5 V. in this case we can exchange the...