Comments on “Direct Characterization of Grounding System Wideband Input Impedance”

2019 ◽  
Vol 61 (5) ◽  
pp. 1682-1682 ◽  
Author(s):  
Leonid Grcev
Keyword(s):  
Input Impedance ◽  
Grounding System

Notice of Retraction: Direct Characterization of Grounding System Wide-Band Input Impedance

2018 ◽  
Vol 60 (1) ◽  
pp. 292-293 ◽  
Author(s):  
Babak Honarbakhsh ◽  
Hamidreza Karami ◽  
Keyhan Sheshyekani
Keyword(s):  
Input Impedance ◽  
Wide Band ◽  
Grounding System

Input Impedance Characterization of a Single-Phase PFC in D-Q Frame

2021 ◽  
Author(s):  
Qing Lin ◽  
Bo Wen ◽  
Rolando Burgos ◽  
Keyue Shan ◽  
Ye Tang ◽  
...  
Keyword(s):  
Input Impedance ◽  
Single Phase ◽  
Impedance Characterization

scholarly journals A Generic Test Board for the Electrical Characterization of ULP and ULV Fully-Differential Integrated Analog Circuits

2019 ◽  
Vol 14 (3) ◽  
pp. 1-7
Author(s):  
Lucas Compassi Severo ◽  
Wilhelmus Adrianus Maria Van Noije
Keyword(s):  
Analog Circuits ◽  
Input Impedance ◽  
Electrical Characterization ◽  
Active Filters ◽  
Ultra Low Power ◽  
Signal Conversion ◽  
Fully Differential ◽  
Test Board ◽  
Output Driver

The characterization of ultra-low power (ULP) fully-differential/balanced amplifiers and active filters is challenging due to the incompatibility with the classical single-ended (SE) and 50 Ω  impedance equipment. Interface circuits between the device under test (DUT) and the equipment are needed to perform the signal conversion and to work as voltage buffers. In this work, we propose a generic test circuits to be used in the characterization of ULP and ultra-low voltage (ULV) analog circuits. The test board includes balun transformers to the signal conversion, a high input impedance and low capacitance output driver and voltage regulators to provide the target DUT supply voltage. The characterization of the proposed PCB demonstrates a bandwidth of 30 MHz, output driver input impedance of 5 MΩ with 2.5 pF capacitance and low input-referred noise. The proposed circuit was applied to the electrical characterization of two fully-differential ULV and ULP analog integrated circuits.

Characterization of pulmonary arterial input impedance with lumped parameter models

1990 ◽  
Vol 258 (1) ◽  
pp. 1-1
Author(s):  
B. J. B. Grant ◽  
L. J. Paradowski
Keyword(s):  
Input Impedance ◽  
Lumped Parameter ◽  
Lumped Parameter Models ◽  
Pulmonary Arterial

Page H587: B. J. B. Grant and L. J. Paradowski. “Characterization of pulmonary arterial input impedance with lumped parameter models.” Equations 5 and 6 should appear as the following. (See PDF)

Characterization of pulmonary arterial input impedance with lumped parameter models

1990 ◽  
Vol 258 (2) ◽  
pp. 1-1
Author(s):  
B. J. B. Grant ◽  
L. J. Paradowski
Keyword(s):  
Input Impedance ◽  
Lumped Parameter ◽  
Lumped Parameter Models ◽  
Pulmonary Arterial

Page H587: B. J. B. Grant and L. J. Paradowski. “Characterization of pulmonary arterial input impedance with lumped parameter models.” Equations 5 and 6 should appear as the following. (See PDF)

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