Resonant Oscillator Pulse Clipping With Energy Feedback
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Resonant oscillator circuits used for generating clipped pulses face inefficiencies due to power dissipation by nonlinear elements like Zener diodes, which increase power consumption and reduce efficiency.
Innovation Solution
A resonant oscillator circuit with a clipping mechanism that clips the output voltage to a predefined constant level and includes a feedback path to return energy from the clipping mechanism to the input, utilizing components such as diodes and MOSFETs, and optionally a capacitor to store energy before feedback, and a buck regulator or Zener diode to regulate voltage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a Zener diode is used to clip the output pulses to a predefined voltage level, then the amplitude of the pulses is held constant, but the Zener diode dissipates power that oscillates between the load and the resonant oscillator circuit, increasing power consumption and reducing efficiency
Solution Approach 1:
The patent introduces a feedback path that captures the energy dissipated by the Zener diode during pulse clipping and feeds it back to the resonant oscillator circuit. This feedback mechanism recycles the energy that would otherwise be lost, maintaining constant amplitude control while significantly reducing overall power consumption.
Solution Approach 2:
The invention recovers the energy that is normally discarded by the Zener diode during the clipping operation. By capturing this energy through a feedback path and returning it to the resonant oscillator circuit, the system transforms a wasteful dissipation process into a useful energy recovery mechanism.
2Manufacturing precision
If a nonlinear element such as a Zener diode is coupled to the output to clip pulses, then the amplitude may be clipped to the Zener voltage, but the clipping mechanism dissipates oscillating power, reducing circuit efficiency
Solution Approach 1:
A feedback path is implemented that takes the energy dissipated by the Zener diode during voltage clipping and returns it to the resonant oscillator circuit. This feedback loop maintains precise voltage level control while preventing the loss of oscillating power, thereby preserving circuit efficiency.
Solution Approach 2:
The invention converts the harmful effect of power dissipation by the Zener diode into a beneficial effect by recycling this energy through a feedback path. The energy that would normally be wasted as heat is instead recovered and reused, transforming a source of inefficiency into a source of useful energy.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution enhances the efficiency of resonant oscillator circuits by reusing energy from clipped pulses within the circuit rather than dissipating it, allowing for reduced power consumption and improved performance in generating signal pulses.
Implementation Method 1
resonant oscillator circuits, which transfer energy back and forth between inductive and capacitive circuit elements, can be used to generate clock pulses
Implementation Method 2
a nonlinear element such as a Zener diode may be coupled to the output of the resonant oscillator circuit. In turn, the amplitude of the pulses may be clipped to the Zener voltage of the Zener diode
Implementation Method 3
a feedback path configured to return energy from the clipping mechanism to an input of the resonant oscillator circuit
Implementation Method 4
a capacitor configured to store the energy from the clipping mechanism prior to returning the energy to the input along the feedback path
Implementation Method 5
a switching device is used to clamp the output voltage of the resonant oscillator circuit to ground on the falling edge of each pulse when the pulse potential reaches zero volts
Data Source
AI summary
The disclosed embodiments provide a resonant oscillator circuit. The resonant oscillator circuit includes a clipping mechanism configured to clip an output voltage of a signal pulse generated by the resonant oscillator circuit to a predefined constant level. The resonant oscillator circuit also includes a feedback path configured to return energy from the clipping mechanism to an input of the resonant oscillator circuit.