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(Ultra) Low-Noise Test System


The SLFN-2000 is a highly cost-effective test system integrating low-frequency noise measurement, ultra-low-frequency noise measurement, IV scanning, and transient response measurement. It features a compact structure incorporating a micro-optical platform, low-noise current amplifier, spectrum analyzer, and optical microscope. Core modules utilize imported precision components to ensure exceptional measurement accuracy, achieving a noise floor as low as 10-28A2/Hz. Supporting both two-terminal and three-terminal testing, this system fulfills diverse testing requirements.


Currently, the SLFN-2000 (Ultra)Low-Frequency Noise Test System has been successfully deployed at multiple scientific institutions including: Changchun Institute of Applied Chemistry、Changchun University of Science and Technology、Nanjing University、Jiangnan University、Henan Normal University、Southwest University、Xiamen University.

 

 

Features 

  • Capable of fA-level I-V curve scanning
  • Background noise 10-28 A²/Hz or 10-32 A²/Hz 
  • Supporting both two-terminal and three-terminal testing
  • Exceptional cost-performance ratio with integrated probe station
  • User-friendly software interface with intuitive workflow
  • Dynamic averaging with real-time visualization (up to 500 averages)
  • Flexible data processing and one-click export

 

 

 

Application

  • 1/f Noise Testing and Analysis
  • RTN Testing and Characterization
  • DC Current Measurement (500 fA resolution)
  • Quantum Efficiency and Responsivity Characterization
  • Optical Response Time (500 ns transient analysis)
  • Reliability Non-Destructive Evaluation (NDE)
  • Integrated Micro-Probe Station
  • I-V (Current-Voltage) and I-T (Current-Time) Scanning
  • Photocurrent and Dark Current Profiling

Model

SLFN-2000

Bias Voltage Range 

±10 

Current Resolution 

<500 fA or <1 fA 

Frequency Range 

0.1 Hz - 100 kHz or 0.01 Hz - 10 Hz

Signal Output Range 

0.2 V, 1 V, 5 V, 10 V 

Current Amplification Factor 

103 -10 11 or 10 5 -10 13

System Noise Floor

10 -28 A 2 /Hz (low frequency) or 10 -32 A 2 /Hz (Ultra-low frequency) 

Data Averaging Mode 

RMS, Vector, Peak 

Datasheet

 


Interface

 


Product measurement data display

I-V Curve Scanning    

Photocurrent, dark current

Low frequency 1/f noise    

Ultra-low frequency 1/f noise