Pre-amplification electric circuit used for infrared alarm
A preamplifier circuit and alarm technology, which is applied in the direction of improving the amplifier to reduce the impact of noise, can solve the problems of poor low-frequency characteristics and high noise of the preamplifier circuit, and achieve good low-frequency characteristics, noise suppression, and strong anti-noise interference Effect
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment Construction
[0009] The present invention will be further described below in conjunction with accompanying drawing:
[0010] Such as figure 1 As shown, the preamplifier circuit for the infrared alarm described in the present invention includes a first resistor R1, a second resistor R2, a third resistor R3, a fourth resistor R4, a fifth resistor R5, a sixth resistor R6, a Seventh resistor R7, eighth resistor R8, ninth resistor R9, tenth resistor R10, eleventh resistor R11, first capacitor C1, second capacitor C2, third capacitor C3, fourth capacitor C4, fifth capacitor C5, The first operational amplifier A1, the second operational amplifier A2, the third operational amplifier A3, the fourth operational amplifier A4 and a DC power supply (not shown in the figure), the first terminal of the first resistor R1 and the first terminal of the second resistor R2 Terminal connected and used as the signal input terminal IN of the preamplifier circuit, the second terminal of the first resistor R1 is ...
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