17931065. Feed-Forward in Tracking Analog-to-Digital Converter simplified abstract (Apple Inc.)
Feed-Forward in Tracking Analog-to-Digital Converter
Organization Name
Inventor(s)
Giovanni Saccomanno of Munich (DE)
Fabio Busignani of Munich (DE)
Siarhei Meliukh of Munich (DE)
Feed-Forward in Tracking Analog-to-Digital Converter - A simplified explanation of the abstract
This abstract first appeared for US patent application 17931065 titled 'Feed-Forward in Tracking Analog-to-Digital Converter
Simplified Explanation
The abstract describes a tracking ADC with a feed-forward loop that can reduce settling time and enable higher clock speeds.
- Feedback circuit generates feedback signal from input voltage
- Comparison circuit samples feedback signal with multiple threshold values
- Counter circuit updates count value using subset of samples
- DAC circuit generates control signal based on count value
- Feedback circuit modifies feedback signal using control signal and samples
Potential Applications
This technology can be applied in high-speed data acquisition systems, communication systems, and signal processing applications.
Problems Solved
1. Reduced settling time in ADC operation 2. Increased clock speed without sacrificing accuracy
Benefits
1. Improved performance in high-speed applications 2. Enhanced accuracy in data conversion processes
Potential Commercial Applications
Optimizing Data Acquisition Systems for High-Speed Applications
Original Abstract Submitted
A tracking ADC with a feed-forward loop is disclosed. The tracking ADC includes a feedback circuit configured to generate a feedback signal using an input voltage and a comparison circuit configured to sample, using a plurality of threshold values, the feedback signal to generate a plurality of samples. A counter circuit is configured to update a count value using a subset of the plurality of samples. A digital-to-analog converter (DAC) circuit configured to generate a control signal using the count value. The feedback circuit is further configured to modify the feedback signal using the control signal and at least one of the plurality of samples. By modifying the feedback voltage, the settling time may be reduced, allowing the ADC to be run at a higher clock speed.
