Low power, high resolution timing generator for ultra-wide bandwidth communication systems
First Claim
1. A control generator, comprising:
- a summer configured to add a ramping phase adjustment signal and a basic phase adjustment signal to generate a combined phase adjustment signal based on the combined phase adjustment signal;
a look-up table configured to generate first through Nth digital phase and frequency adjustment signals; and
first through Nth digital to analog converters configured to convert the first through Nth digital phase and frequency adjustment signals to first through Nth analog phase and frequency adjustment signals in accordance with first through Nth clock signals, respectively,wherein N is an integer greater than 1.
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Abstract
A control generator is provided, comprising: a summer configured to add a ramping phase adjustment signal and a basic phase adjustment signal to generate a combined phase adjustment signal based on the combined phase adjustment signal; a look-up table configured to generate first through Nth digital phase and frequency adjustment signals; and first through Nth digital to analog converters configured to convert the first through Nth digital phase and frequency adjustment signals to first through Nth analog phase and frequency adjustment signals in accordance with first through Nth clock signals, respectively. wherein N is an integer greater than 1.
22 Citations
16 Claims
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1. A control generator, comprising:
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a summer configured to add a ramping phase adjustment signal and a basic phase adjustment signal to generate a combined phase adjustment signal based on the combined phase adjustment signal; a look-up table configured to generate first through Nth digital phase and frequency adjustment signals; and first through Nth digital to analog converters configured to convert the first through Nth digital phase and frequency adjustment signals to first through Nth analog phase and frequency adjustment signals in accordance with first through Nth clock signals, respectively, wherein N is an integer greater than 1. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A control generator, comprising:
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a clock generation circuit configured to generate the first through Mth clock signals; a summer configured to add a ramping phase adjustment signal and a basic phase adjustment signal to generate a combined phase adjustment signal; a look-up table configured to generate first through Nth digital phase and frequency adjustment signals based on the combined phase adjustment signal; a multiplexer configured to select one of the first through Nth digital phase and frequency adjustment signals based on a control signal; a digital to analog converter configured to convert the selected digital phase and frequency adjustment signal to a selected analog phase and frequency adjustment signal in accordance with first through Nth clock signals, respectively; and first through Nth primary sample and hold circuits, each configured to perform a sample and hold operation on the selected analog phase and frequency adjustment signal based on one or more of the first through Mth clock signals, to generate a corresponding first through Nth primary sampled phase and frequency adjustment signals, wherein the control signal is generated based on the first through Mth clock signals, and wherein N is an integer greater than 1. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15, 16)
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Specification