Ended output type D-class amplifier of double-feedback differential circuit
A class D amplifier, differential amplifier technology, applied in differential amplifiers, amplifiers, DC-coupled DC amplifiers, etc., can solve problems such as limited open-loop gain, eliminate nonlinear components, and improve total harmonic distortion plus noise ratio. Effect
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment Construction
[0033] see figure 1As shown, it is a circuit block diagram of a preferred example embodiment of the single-ended output type D amplifier 10 of the double feedback differential loop of the present invention, which includes a gain adjustment circuit 11, a second-order integrator, two comparators 30, 31, A logic circuit 40, a half-bridge circuit 50 and an inverter 24, wherein the half-bridge circuit 50 includes a high-side switch group 51 and a low-side switch group 52 connected in series with two phases, and the series node is a class D A single output terminal (Do) of the amplifier; in addition, the single-ended output terminal (Do) of the single-ended output type D amplifier is connected to the inverter 24 to provide a set of differential output signal terminals (Do+, D0-). Wherein the second-order integrator includes:
[0034] A first differential amplifier 20 includes a positive input terminal (+), an inverting input terminal (-), a reverse differential output terminal (-)...
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, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com