SLEW RATE CONTROL APPARATUS FOR DIGITAL MICROPHONES
First Claim
Patent Images
1. A driver, the driver comprising:
- a driver block, the driver block including an adjustable current source configured to produce a digital output stream;
a controller block coupled to the driver block;
a comparison block coupled to the driver block and the controller block, the comparison block configured to compare the digital output stream to a reference value at a time delayed with respect to a master clock and based upon the comparison cause the controller block to adjust a strength of the driver block.
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Abstract
A driver, includes a driver block, a controller block, and a comparison block. The driver block includes an adjustable current source configured to produce a digital output stream. The controller block is coupled to the driver block. The comparison block is coupled to the driver block and the controller block. The comparison block is configured to compare the digital output stream to a reference value at a time delayed with respect to a master clock and based upon the comparison cause the controller block to adjust a strength of the driver block.
25 Citations
14 Claims
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1. A driver, the driver comprising:
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a driver block, the driver block including an adjustable current source configured to produce a digital output stream; a controller block coupled to the driver block; a comparison block coupled to the driver block and the controller block, the comparison block configured to compare the digital output stream to a reference value at a time delayed with respect to a master clock and based upon the comparison cause the controller block to adjust a strength of the driver block. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A method of controlling a driver, the method comprising:
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comparing a digital output stream of a driver to a reference value at a time delayed with respect to a master clock; based upon the comparing, causing an adjustment of a strength of the driver, the strength being a capability of the driver, the adjustment being effective to alter a settling of the digital output stream. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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Specification