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.

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Phone Monitor (CB22326E)
This circuit is from an American publication from the 1960s. The circuit monitors modulated...
High Voltage Status Indicator (CB13061E)
The circuit shown in the figure can be used as an indicator of presence and high voltage in a...
MAX17682 DC DC Buck Converter
Maxim Integrated's MAX17682 integrated circuit is available at Mouser Electronics, a...