PATENT CLAIM ANALYSIS

Application Number: 15935831
Application Type: Utility
Filing Date: 2018-03
Publication Date: 2018-09
Patent Classification: ["324", "309000"]

Abstract:
An approach for accurately setting a duty cycle of PA switching waveforms uses an all-digital PVT sensor circuit. In various embodiments, the all-digital PVT sensor circuit measures a pulse width of a periodic reference signal using digital delay line, and subsequently, implements an off-chip digital calculation to program the digital delay line to delay this periodic reference signal so that, when the delayed periodic reference signal is combined with the original (undelayed) reference via a logical AND operation, the resulting signal conforms to a desired duty cycle. In one implementation, the PA is a class-D PA, which may have a single-ended configuration or a differential configuration having two single-ended structures operating in opposite phases.

Claim (Index 1):
Circuitry for adjusting a duty cycle of an RF carrier input signal to a power amplifier (PA), the circuitry comprising:\n a digital delay line, comprising a plurality of digital delay elements, for receiving the input signal; a time-to-digital converter for measuring a number of the digital delay elements required for generating a desired duty cycle; and circuitry for selecting the number of delay elements of the digital delay line required to generate a desired duty cycle and receiving an output signal therefrom, the output signal having the adjusted duty cycle.

Metadata:
- Claim Count in Document: 46.0
- Percentile: 90.0
- Lexical Diversity: 1.63636
- Patent Class: 324.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: False
- Related Applications: ['13330880', '13128197', '15153496', '14501488', '12919215']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.5493777621799294
- 35 USC 102 Novelty (BERT): 0.4587656558150215
- Combined Prediction Score: 0.5403165515434386
- Mean Citation Score: 158.04576400000005
- Max Citation Score: 175.95166
- Similarity Product: 141.84919173916103

Labels:
- Claim Label 101: 1
- Claim Label 102: 1
- Claim Label 103: 0
- Claim Label 112: 1
- Combined Label: 1
- Label 101 Adjusted: 1

Dataset: test