Variable-Period Pulse Circuit for Precise Staggered Signal Delays
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Solution Overview
Problem
Existing methods for generating equidistant stagger signals face challenges in controlling signal delay controllability and circuit area/power consumption, particularly when using synchronous or asynchronous signals.
Innovation Solution
A pulse generation circuit that includes an oscillation module, period adjustment module, and pulse conversion module to generate a pulse signal with a variable period, allowing for adjustable signal delays without requiring integer multiples of the clock period.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If synchronous signals are used to generate equidistant stagger signals, then the delay between signals is an integer multiple of the clock period, but the controllability of the delay is poor
Solution Approach 1:
The patent changes the fundamental parameter used for delay control from fixed clock periods to variable pulse periods. By making the pulse period adjustable through a period adjustment module, the system achieves fine-grained delay control without being constrained to integer multiples of a fixed clock period, thereby improving controllability while maintaining simple circuit operation.
2Ease of operation
If asynchronous signals are used to generate equidistant stagger signals, then the delay between signals is controllable, but the area of the circuit layout and power consumption are significantly increased
Solution Approach 1:
The patent introduces dynamic adjustability to the pulse period through a period adjustment module that can modify the oscillation period based on magnification selection signals. This dynamic parameter adjustment allows the system to achieve variable delay control without requiring multiple fixed delay circuits, thereby reducing circuit area while maintaining flexible delay control capability.
Solution Approach 2:
The oscillation module serves multiple functions: it generates the base oscillation signal, provides the timing reference for delay control, and its period can be adjusted to accommodate different delay requirements. This multi-functionality eliminates the need for separate dedicated delay circuits, reducing overall circuit area while maintaining versatile delay control.
3Ease of operation
If asynchronous signals are used to generate equidistant stagger signals, then the delay between signals is controllable, but the power consumption of the circuit is significantly increased
Solution Approach 1:
The period adjustment module dynamically adjusts the oscillation period based on control signals, allowing the system to achieve variable delay control with a single oscillation source rather than multiple independent circuits. This dynamic adjustment reduces the total number of active circuit elements, thereby lowering power consumption while maintaining flexible delay control.
4Area of stationary object
If a pulse signal with variable period is generated, then the area of circuit layout and power consumption are reduced, but additional control mechanisms are required
Solution Approach 1:
The control mechanism is segmented into distinct functional modules: an oscillation module that generates the base signal, a period adjustment module that modifies the period based on magnification selection signals, and a pulse conversion module that generates the final pulse signal. This segmentation allows each module to perform a specific function with simple logic, reducing overall control complexity while enabling variable period generation.
Data Source
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AI summary
The embodiments of the present application provide a pulse generation circuit and a staggered pulse generation circuit. The pulse generation circuit comprises: an oscillation module, which is used for receiving a control signal, and generating a first oscillation signal according to the control signal; a cycle adjustment module, which is used for receiving the first oscillation signal and a magnification selection signal, and outputting a second oscillation signal, wherein the cycle of the second oscillation signal is the cycle of the first oscillation signal that is adjusted on the basis of the magnification selection signal; and a pulse conversion module, which is used for receiving the second oscillation signal and outputting a pulse signal, wherein the pulse of the pulse signal is generated on the basis of a rising edge or a falling edge of the second oscillation signal, and the pulse cycle of the pulse signal is the same as the oscillation cycle of the second oscillation signal. By means of the embodiments of the present application, a pulse signal having an adjustable cycle can be generated, and the area of a circuit layout and the power consumption of a circuit are small.