Low-Noise Current Measurements on Quantum Devices Operating at Cryogenic Temperature

2013 ◽  
Author(s):  
Filippo Guagliardo ◽  
Giorgio Ferrari
Keyword(s):  
Cryogenic Temperature ◽  
Low Noise ◽  
Quantum Devices ◽  
Noise Current

New Method to Determine the a-Si:H Pin Diode Series Resistance by Noise Measurements

1998 ◽  
Vol 507 ◽  
Author(s):  
F. Blecher ◽  
K. Seibel ◽  
M. Hillebrand ◽  
M. Böhm
Keyword(s):  
Series Resistance ◽  
Partial Information ◽  
Low Noise ◽  
Operating Conditions ◽  
New Method ◽  
Measuring System ◽  
Pin Diode ◽  
Noise Current ◽  
Current Voltage ◽  
Noise Measurements

ABSTRACTThe series resistance limits the linearity of photodiodes and decreases the efficiency of solar cells. It is usually determined from IV-measurements for moderate and high forward current density. This method, however, provides only partial information about Rs, since the series resistance depends on the operating point. An alternative method is based on noise measurements. System noise of the measuring system with a low-noise current-voltage converter has been investigated. A new method for extraction of photodiode series resistance from noise measurements is suggested. Noise measurements are carried out for a-Si:H pin diodes. The series resistance of an amorphous pin diode has been extracted for different operating conditions using the new measurement method.

A TVWS receiver with balanced output self-calibrated IIP2 LNTA employing a low-noise current multiplier

Integration ◽  
2018 ◽  
Vol 63 ◽  
pp. 283-290 ◽  
Author(s):  
Arianna Coccia ◽  
Saheed Tijani ◽  
Danilo Manstretta ◽  
Rinaldo Castello
Keyword(s):  
Low Noise ◽  
Noise Current

Active Compensation Control of Wind Force and Wire Roughness for Current Collector Using Optical Fiber Sensor

1999 ◽  
Author(s):  
Kazuo Yoshida ◽  
Masaaki Ukita ◽  
Toshiaki Makino
Keyword(s):  
Control System ◽  
Optical Fiber ◽  
Active Control ◽  
Contact Force ◽  
Optical Fiber Sensor ◽  
Current Collector ◽  
Low Noise ◽  
Fiber Sensor ◽  
Noise Current ◽  
And Control

Abstract For railways speed up such as 350km/h, it is particularly important to reduce noise caused by current collector for environmental problem. For a solution, a diamond shaped low-noise current collector has been developed. However, it becomes difficult for the current collector to maintain the predetermined contact force between the contact strip and the trolley-wire. Therefore, it is necessary to apply the active control to keep the contact force uniform. However, there is a serious problem for the active control that it is difficult to put sensors in high voltage region. In this paper, an application of plastic optical fiber sensor is devised and it is applied to the control system. In the experiment, the usefulness of the proposed sensor and control system is demonstrated.

scholarly journals Noise-optimized ultrastable low-noise current amplifier

2019 ◽  
Vol 90 (1) ◽  
pp. 014706 ◽  
Author(s):  
C. Krause ◽  
D. Drung ◽  
M. Götz ◽  
H. Scherer
Keyword(s):  
Low Noise ◽  
Current Amplifier ◽  
Noise Current

Single photon imaging X-ray spectrometers using low noise current preamplifiers with dc voltage bias

1997 ◽  
Vol 7 (2) ◽  
pp. 3383-3386 ◽  
Author(s):  
S. Friedrich ◽  
K. Segall ◽  
M.C. Gaidis ◽  
C.M. Wilson ◽  
D.E. Prober ◽  
...  
Keyword(s):  
Single Photon ◽  
Low Noise ◽  
Dc Voltage ◽  
X Ray ◽  
Noise Current ◽  
Voltage Bias ◽  
Photon Imaging

Programmable, very low noise current source

2014 ◽  
Vol 85 (12) ◽  
pp. 125109 ◽  
Author(s):  
G. Scandurra ◽  
G. Cannatà ◽  
G. Giusi ◽  
C. Ciofi
Keyword(s):  
Current Source ◽  
Low Noise ◽  
Noise Current
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