Trap filter and low pass filter
A technology of notch filter and operational amplifier, applied in impedance network, electrical components, multi-terminal pair network, etc., can solve the problems such as the center frequency of notch filter can not reach the suppression of power frequency interference, the problem of filter frequency control, and the damage of circuit performance.
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment Construction
[0021] Such as figure 1 Shown is a notch filter of an embodiment. The wave trap includes a first integrating circuit 100 , a unity gain inverting circuit 200 and a second integrating circuit 300 connected in sequence.
[0022] The first integrating circuit 100 includes an operational amplifier U1, a capacitor C1 connected between the output terminal and the inverting input terminal of the operational amplifier U1, and a current control circuit 102 and a resistor R1 connected in sequence to the inverting input terminal of the operational amplifier U1, wherein The current control circuit 102 is connected between the inverting input terminal of the operational amplifier U1 and the resistor R1. The input of the notch filter V in It is connected to the current control circuit 102 through the resistor R1.
[0023] The second integration circuit 300 includes an operational amplifier U2, a capacitor C2 connected between the output terminal and the inverting input terminal of the op...
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