Electricity: measuring and testing – Electrical speed measuring – Including speed-related frequency generator
Patent
1998-05-18
2000-10-17
Patidar, Jay
Electricity: measuring and testing
Electrical speed measuring
Including speed-related frequency generator
324173, 327308, G01P 3488, G01P 3489, H03L 500, G01R 1508
Patent
active
061337285
ABSTRACT:
A variable reluctance sensor interface module having a variable attenuation circuit and a rectifier and differential single-ended conversion circuit for operating in a current mode to attenuate a differential input voltage. The variable attenuation circuit receives an input differential voltage from a magnetic sensor and converts the differential voltage to current. First and second current sourcing circuits, each including a plurality of current sourcing branches, receives the current and provides current attenuation by switching in and out transistor-based current sourcing branches. The rectifier and differential to single-ended conversion circuit converts the variably attenuated currents to a voltage output.
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Kearney Mark Billings
Manlove Gregory Jon
Delco Electronics Corporation
Funke Jimmy L.
Patidar Jay
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