Low-power-consumption high-resolution continuous-time Sigma-Delta modulator
A high-resolution, low-power technology, applied in analog conversion, electrical components, code conversion, etc., can solve the problems of single-bit quantization modulator error, affecting feedback DAC linearity, high loop filter order, etc. To achieve the effect of suppressing the deterioration of system performance, benefiting system power consumption, and balancing power consumption and performance
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Example Embodiment
[0024] To better understand the objects, structure and functions of the present invention, the following in conjunction with the accompanying drawings, Sigma-Delta modulator of the present invention is a low-power high-resolution continuous-time described in further detail.
[0025] One inventive low-power continuous-time high resolution Sigma-Delta modulator device (CTSDM) comprises an operational amplifier and a low-frequency gain compensation finite transconductance stage, the comparator, the main feedback RZ FIR-DAC, the compensation path RZ FIR- DAC, and basic capacitance resistance.
[0026] The overall circuit architecture of the Sigma-Delta modulator, such as an figure 1 As shown by the two Class AB configuration of three continuous-time common-mode feedback operational amplifier A 1 , A 2 , A 3 Limited low-frequency gain compensation transconductance stage g com1 , G com2 , G com3 , Integrating resistor R 1 R 2 Feedforward resistor R f0 R f1 R f2 , Integrating capacitor C...
PUM
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap