Analysis and practical implementation of a high-power Howland Current Source

Batista, Daniel Strufaldi; Granziera, Francisco; Tosin, Marcelo C.; Melo, Leonimer Flávio de

doi:10.1016/j.measurement.2022.112404

Measurement

2023

DOI: 10.1016/j.measurement.2022.112404

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Analysis and practical implementation of a high-power Howland Current Source

Daniel Strufaldi Batista

Francisco Granziera

Marcelo C. Tosin

et al.

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2023

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Cited by 2 publications

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A voltage-controlled current source for temporal interference stimulation: Analysis, design, and study

Qian,

Cao,

et al. 2023

Review of Scientific Instruments

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The temporal interference stimulation is a new technique to modulate brain activity by applying multiple channels of voltage-controlled current source (VCCS) simultaneously to the receptor surface. In this paper, the envelopes of the overlapped current waves at several areas of the receptor were analyzed and discussed with different circuit structures of VCCS. A complementary differential current source (CDCS) was designed to fit the best circuit topology based on the analysis of the enhanced Howland current source structure. Experiments were conducted by injecting current to a swine tissue using the CDCS and conventional VCCS and acquiring the voltage waveform data from different parts of the tissue. The waveforms were compared and analyzed, revealing that the conventional VCCS may generate an interference envelope in unexpected regions, while the CDCS did not. The CDCS design approach in this paper provides a new solution for temporal interference stimulation VCCS.

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A voltage-controlled current source for temporal interference stimulation: Analysis, design, and study

Qian,

Cao,

et al. 2023

Review of Scientific Instruments

View full text Add to dashboard Cite

show abstract

Attitude-Independent Magnetometer Calibration Using Nonlinear Least Squares

et al. 2023

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Analysis and practical implementation of a high-power Howland Current Source

Cited by 2 publications

References 21 publications

A voltage-controlled current source for temporal interference stimulation: Analysis, design, and study

A voltage-controlled current source for temporal interference stimulation: Analysis, design, and study

Attitude-Independent Magnetometer Calibration Using Nonlinear Least Squares

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