PS25454 EPIC Ultra High Impedance Movement SensorManufacturer: Plessey This product is no longer available.
Plessey Semiconductors Electric Potential Integrated Circuit (EPIC) product line targets a range of applications. The PS25454 is an ultra high impedance noncontact solid state electric potential sensor. It can be used to detect field disturbance due to the movement of a near-by object. This functionality can be employed in a range of applications including security motion sensors and non-contact electric switches for lighting, door opening, toys etc The device uses active feedback techniques to both lower the effective input capacitance of the sensing element (Cin) and boost the input resistance (Rin). These techniques are used to realize a sensor with a frequency response suitable for remote sensing applications. Applications
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