Ultra-narrow pulse stretching circuit, method and electronic device
CN116155243BActive Publication Date: 2026-06-26HANGZHOU ALTRON PHOTONICS TECH CO LTD
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- HANGZHOU ALTRON PHOTONICS TECH CO LTD
- Filing Date
- 2023-01-10
- Publication Date
- 2026-06-26
AI Technical Summary
Technical Problem
Existing technologies struggle to stably sample extremely narrow pulse signals, especially in scenarios with multiple uncertain numbers of extremely narrow sub-pulses, and existing methods are either costly or have unstable sampling.
Method used
Design an ultra-narrow pulse stretching circuit, including a calibration module, an OR gate, and a D flip-flop, to generate a stable stretched signal for easy sampling through inversion, delay processing, and logic operations.
Benefits of technology
It achieves stable widening and sampling of extremely narrow pulses, adapts to multiple sub-pulse scenarios, reduces costs, and improves sampling reliability.
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Smart Images
Figure CN116155243B_ABST
Abstract
The application provides an ultra-narrow pulse expansion circuit, method and electronic equipment. The circuit comprises: a calibration module, configured to perform inverse transformation and delay processing on a control signal to obtain a calibration signal; an OR gate, configured to perform logical OR operation on a measured signal and the calibration signal to obtain a clock signal; and a D flip-flop, configured to output an expanded signal according to the control signal and the clock signal. The input end of the D flip-flop is connected to the control signal, and the clock end of the D flip-flop is connected to the output end of the OR gate. The first input end of the OR gate is connected to the output end of the calibration module, and the second input end is connected to the measured signal. The input end of the calibration module is connected to the control signal. By using the application, the measured signal, especially the ultra-narrow pulse with multiple uncertain numbers of ultra-narrow sub-pulses, can be expanded, and the expanded pulse can be stably sampled.
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