Precision modulated controller output
First Claim
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1. A modulating controller for providing an analog modulating output to one or more modulating components, the modulating controller comprising:
- a voltage regulator adapted to output a reference voltage;
at least one modulating circuit adapted to convert a digital pulse-width modulated signal of the controller into an analog precision-controlled amplitude signal, each modulating circuit including a buffer operatively coupled to the reference voltage; and
a modulating output driver for receiving the analog precision-controlled amplitude signal and for providing an analog modulating output to the one or more modulating components.
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Abstract
A modulating controller for use in providing a precision modulating output is disclosed. An illustrative modulating controller may include a voltage regulator adapted to output a single reference voltage, at least one modulating circuit adapted to convert a pulse-width modulated signal of the controller into a precision-controlled amplitude signal, and a modulating output driver for providing a modulating output to one or more modulating components. Illustrative methods of producing a modulating output are also disclosed herein.
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Citations
20 Claims
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1. A modulating controller for providing an analog modulating output to one or more modulating components, the modulating controller comprising:
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a voltage regulator adapted to output a reference voltage; at least one modulating circuit adapted to convert a digital pulse-width modulated signal of the controller into an analog precision-controlled amplitude signal, each modulating circuit including a buffer operatively coupled to the reference voltage; and a modulating output driver for receiving the analog precision-controlled amplitude signal and for providing an analog modulating output to the one or more modulating components. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A modulating controller for providing an analog modulating output to one or more modulating components, the modulating controller comprising:
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a voltage regulator adapted to output a single reference voltage; a plurality of modulating circuits each defining a separate channel of the modulating controller, each modulating circuit including a buffer adapted to receive the reference voltage from said voltage regulator for converting a digital pulse-width modulated signal of the controller into an analog precision-controlled amplitude signal; and a modulating output driver for receiving the analog precision-controlled amplitude signal and for providing an analog modulating output to the one or more modulating components.
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15. An apparatus for providing an analog modulating output, comprising:
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a voltage regulator adapted to output a single reference voltage; one or more modulating circuits having the single reference voltage as a supply voltage, each modulating circuit adapted to convert a digital pulse-width modulated signal into an analog modulating signal; and a modulating output driver for receiving the analog modulating signal and for providing an analog modulating output based on each modulating signal. - View Dependent Claims (16, 17, 18, 19)
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20. A method of producing an analog modulating output from a digital pulse-width modulated signal outputted by a controller, the method comprising the steps of:
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providing a modulating circuit including a buffer operatively coupled to a reference voltage; buffering the digital pulse-width modulated signal using the buffer and reference voltage to produce an analog precision-controlled amplitude signal; and amplifying the analog precision-controlled amplitude signal and outputting an analog modulating output to one or more modulating components.
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Specification