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input impedance
Definition
- The appropriate product category
- The impedance as seen from the input terminal looking at the device when the device is operating. The input impedance is normally given as the equivalent value of a resistor and capacitor connected in parallel.
Signal Converters- The appropriate product category
- The impedance caused by the input circuit limiting resistor. With a constant-current input circuit, the impedance varies with the input voltage.
- The appropriate product category
- The impedance of an input to a device in operating status viewed from the input terminal. The input impedance is generally given as the equivalent resistance and capacitance connected in parallel. For DC measurement devices, simply the input resistance is given.
Related Contents
- Control Components
- Signal Converters
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