Weak current detecting device and method
A detection device and detection method technology, applied in the direction of measurement using digital measurement technology, can solve the problems of low reliability, slow response time, large volume, etc., to avoid thermal noise of resistance, save software control, and wide input range Effect
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment
[0034] image 3 Schematically shows the structure diagram of the weak current detection device of the embodiment of the present invention, as image 3 As shown, the weak current detection device includes:
[0035] a reference current source, the reference current source is electrically connected to the first input terminal of the multiplication circuit;
[0036] A multiplication circuit, the second input terminal of the multiplication circuit is connected to the current to be measured;
[0037] A square root circuit, the input end of the square root circuit is electrically connected to the output end of the multiplication circuit;
[0038] An I / V conversion circuit, the input end of the I / V conversion circuit is electrically connected to the output end of the square root circuit.
[0039] In the weak current detection method of the embodiment of the present invention, the weak current detection method includes the following steps:
[0040] (A1) The current Ii to be measure...
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