Integrated phase-shift power control transmitter for use with implantable device and method for use of the same
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United States of America Patent
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Sep 27, 2011
Grant Date -
Aug 17, 2006
app pub date -
Feb 15, 2005
filing date -
Feb 15, 2005
priority date (Note) -
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Abstract
Systems and methods for efficiently transmitting power using a high frequency (e.g., RF) telemetry transmitter are provided. The telemetry transmitter may include a fixed clock source (which may provide a fixed clock signal), telemetry phase shift circuitry (which may include switching circuitry and phase shifting circuitry), and a push-pull network. The telemetry phase shift circuitry generates a phase shifted clock signal that is phase shifted with respect to the fixed clock signal. The fixed and phase shifted clock signals may drive the switching circuitry to produce a high frequency signal that is passed through the push-pull network. The power or magnitude of the high frequency signal is based on the phase delay between the fixed clock signal and the phase shifted clock signal.
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