0.1-10Hz Amplifier Noise Measurement Filter Reference Design
TIPD122
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Key Document
- TIPD122 Verified Design Reference Guide
(PDF 1239 KB)
18 Jun 2013
-
TIPD122 Design File (Rev. A)
(ZIP 473 KB)
25 Jul 2014
Description
This circuit is designed to amplify low frequency noise (0.1Hz to 10Hz) to a level that is easily measured by and oscilloscope. It achieves this function with a 0.1Hz second order high pass filter and a to 10Hz forth order low pass filter. The 0.1Hz to 10Hz noise measurement is a common figure of merit given in amplifier data sheets. This design is intended to facilitate the measurement 0.1Hz to 10Hz noise for the commonly used different package styles.
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Features
- Filters 0.1Hz to 10Hz noise
- Amplifies noise by a factor of 100,000 x
- Allows for testing of common amplifier package configurations
- Theory
- Component Selection
- TINA-TI Simulation
- Schematics and PCB Layout
- Verification and Measured Performance
- Modification Options
See the Important Notice and Disclaimer covering reference designs and other TI resources.