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A grounded-load charge amplifier for reducing hysteresis in piezoelectric tube scanners
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10.1063/1.1938952
/content/aip/journal/rsi/76/7/10.1063/1.1938952
http://aip.metastore.ingenta.com/content/aip/journal/rsi/76/7/10.1063/1.1938952
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Voltage driven tube scanner. (a) Open loop with signal precompensation. (b) Closed loop with displacement feedback.

Image of FIG. 2.
FIG. 2.

Simplified diagram of a generic charge source.

Image of FIG. 3.
FIG. 3.

Grounded load dc accurate charge amplifier.

Image of FIG. 4.
FIG. 4.

Test for voltage/charge dominance.

Image of FIG. 5.
FIG. 5.

Piezoelectric tube dimensions (in millimeters).

Image of FIG. 6.
FIG. 6.

Charge amplifier low-frequency tracking performance. Measured from the charge reference signal (V) to the instrumented load voltage accross a dummy load.

Image of FIG. 7.
FIG. 7.

Charge dominance bandwidth. Measured from the internal tube strain voltage to the load voltage.

Image of FIG. 8.
FIG. 8.

Relationship between an applied voltage and the resulting tube displacement. ( ramped sinusoidal input).

Image of FIG. 9.
FIG. 9.

Relationship between an applied charge reference and the resulting tube displacement. ( ramped sinusoidal input).

Image of FIG. 10.
FIG. 10.

Low-frequency scanning reference and resultant tube displacement with additive DC offset.

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/content/aip/journal/rsi/76/7/10.1063/1.1938952
2005-06-29
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: A grounded-load charge amplifier for reducing hysteresis in piezoelectric tube scanners
http://aip.metastore.ingenta.com/content/aip/journal/rsi/76/7/10.1063/1.1938952
10.1063/1.1938952
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