Circuit Node Pre-Conditioning for Faster State Transitions
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Solution Overview
Problem
Electronic circuitry faces limitations in transitioning between operating states due to its finite bandwidth, which restricts the speed of changes in supply voltage and load, leading to delays in responding to transient conditions.
Innovation Solution
Incorporating pre-conditioning circuitry that monitors voltage characteristics and applies voltage, current, or charge to nodes within the circuit to reduce the magnitude of state changes, thereby compensating for capacitance effects and enhancing the response time by pre-conditioning nodes before operational changes occur.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If conventional circuitry is used without pre-conditioning, then the circuit structure remains simple, but the transition time between operating states is limited by finite bandwidth and capacitance effects
Solution Approach 1:
The pre-conditioning circuitry applies voltage, current, or charge to nodes in advance of operational changes to prepare the circuit for rapid state transitions. This preliminary action reduces the magnitude of change required during actual state transitions, enabling faster response times without fundamentally altering the core circuit structure.
Solution Approach 2:
The pre-conditioning circuitry counteracts the effects of capacitance by applying compensating voltage, current, or charge to nodes before operational changes occur. This preliminary anti-action neutralizes the slowing effect of capacitance, allowing the circuit to transition states more rapidly while maintaining structural simplicity.
2Loss of time
If pre-conditioning circuitry is added to reduce transition time, then the response speed improves, but the circuit complexity increases
Solution Approach 1:
The pre-conditioning circuitry performs preparatory actions by applying voltage, current, or charge to nodes before operational changes are needed. This advance preparation reduces the time required for state transitions while keeping the added complexity minimal and targeted only at critical nodes.
Solution Approach 2:
The pre-conditioning circuitry applies compensation selectively to specific nodes where capacitance effects most impact transition time, rather than uniformly across the entire circuit. This localized approach reduces transition time in critical areas while minimizing overall circuit complexity.
3Speed
If the circuit bandwidth is increased to reduce transition time, then the response speed improves, but the capacitance effects and power consumption increase
Solution Approach 1:
The pre-conditioning circuitry operates periodically or event-driven, applying voltage, current, or charge only when operational changes are anticipated or detected. This periodic operation reduces average power consumption compared to continuously operating high-bandwidth circuitry, while still achieving fast response times when needed.
Solution Approach 2:
The pre-conditioning circuitry dynamically adjusts voltage, current, or charge parameters applied to nodes based on the specific operational requirements. This parameter adjustment allows the circuit to achieve fast transitions when needed while consuming less power during normal operation, avoiding the continuous high power consumption of increased-bandwidth circuitry.
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
This approach reduces the time required for circuitry to transition between states and respond to changes in supply voltage and load, enabling faster transitions and improved performance in applications requiring rapid state changes.
Implementation Method 1
The bandwidth of an electronic circuit may be limited by factors such as capacitances within the circuitry (both intentional capacitances arising from the use of capacitors in the circuit and unintentional parasitic capacitances arising, for example, from the components used in the circuit and their layout within the circuit).
Data Source
AI summary
Pre-conditioning circuitry for pre-conditioning a node of a circuit to support a change in operation of the circuit, wherein the circuit is operative to change a state of the node to effect the change in operation of the circuit, and wherein the pre-conditioning circuitry is configured to apply a voltage, current or charge directly to the node to reduce the magnitude of the change to the state of the node required by the circuit to achieve the change in operation of the circuit.