Parallel Driver Resistor Network for Multi-Level Signal Output
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Solution Overview
Problem
Existing technologies face challenges in outputting appropriate multi-level signals at desired multiple levels with a simple configuration, limiting transmission speed improvements.
Innovation Solution
A data processing device with a configuration of multiple drivers and output resistors, connected in parallel, that output high or low voltages based on control signals, allowing for multi-level signals with adjustable voltage levels through a selection circuit.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If multiple drivers with different resistance values are connected in parallel to output multi-level signals, then transmission speed is improved, but device complexity increases
Solution Approach 1:
The transmission system is segmented into multiple independent drivers (first to M-th drivers), each capable of outputting high or low voltage independently. This segmentation allows parallel operation of multiple drivers to achieve multi-level signaling, thereby improving transmission speed while maintaining manageable complexity through modular design
Solution Approach 2:
Each driver is assigned a specific resistance value parameter (first to M-th output resistors with values dividing a predetermined resistance by 2^(m-1)). By changing the resistance parameter of each driver in a systematic manner, the system generates distinct voltage levels when drivers operate in parallel, enabling multi-level signal transmission without requiring complex control logic
2Productivity
If the number of voltage levels is increased to improve data transmission capacity, then productivity is improved, but control complexity increases
Solution Approach 1:
The driver system is designed with multi-functionality where the same set of first to M-th drivers can operate in different configurations to achieve various voltage levels. Each driver can function independently or in combination with others, allowing the system to adapt to different data transmission requirements without adding dedicated hardware for each voltage level
Solution Approach 2:
The system dynamically adjusts the number of active drivers and their resistance values based on the required voltage level. By selectively activating combinations of drivers with different resistance values, the system can generate N different voltage levels (where N is an integer greater than or equal to 3 and different from a power of 2), thereby increasing data transmission capacity while keeping control logic relatively simple
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
Enables efficient output of multi-level signals at desired levels, enhancing transmission speed and flexibility in communication systems.
Implementation Method 1
The first to M-th drivers include first to M-th output resistors, respectively, and in a case where any integer larger than or equal to 1 and smaller than or equal to M is denoted by m, a resistance value of an m-th output resistor in which m is smaller than or equal to M−1 is a value obtained by dividing a predetermined resistance value by 2 raised to a power of (m−1)
Data Source
AI summary
The present technology relates to a data processing device and a data processing method capable of outputting appropriate multi-level signals at desired multiple levels in data transmission based on multi-level signals with a simple configuration. A first to M-th drivers to which control signals are input and that output voltages corresponding to the control signals are provided for a transmission line through which a multi-level signal representing transmission data with voltage levels as many as the number of states N is transmitted, in which an integer larger than or equal to 3 and different from a power of 2 is set as the number of states N and a power of a smallest integer that is a power of 2 larger than or equal to N is set as a control value M. The first to M-th drivers include first to M-th output resistors, respectively, and in a case where any integer larger than or equal to 1 and smaller than or equal to M is denoted by m, a resistance value of an m-th output resistor in which m is smaller than or equal to M−1 is a value obtained by dividing a predetermined resistance value by 2 raised to a power of (m−1), and a resistance value of an M-th output resistor in which m is M is a value obtained by dividing the predetermined resistance value by a value obtained by subtracting 2 raised to a power of (M−1) from N.