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Note: A transimpedance amplifier for remotely located quartz tuning forks
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10.1063/1.4769271
/content/aip/journal/rsi/83/12/10.1063/1.4769271
http://aip.metastore.ingenta.com/content/aip/journal/rsi/83/12/10.1063/1.4769271

Figures

Image of FIG. 1.
FIG. 1.

Amplifier bandwidth for several values of the input capacitance (panel (a)). Dots are measured values and the continuous line is the prediction of Eq. (2). The three qualitatively different frequency responses of TIAs (panel (b)). The measured frequency response of our TIA for three different cable capacitances C C (panel (c)).

Image of FIG. 2.
FIG. 2.

A photo of the circuit layout (panel (a)). The amplifier output noise at three different input capacitances C C (panel (b)). The amplifier output noise at 300 K (panel (c)) and 4.2 K (panel (d)) when a QTF is connected to its input.

Tables

Generic image for table
Table I.

The parameters of the QTF, the contributions of different noise terms, and the prediction for the output noise e out of the TIA. Noise estimations are done at the resonance frequency f of the QTF and using C C = 180 pF of our cable. Where not labeled, noise terms are measured in units of pA/.

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/content/aip/journal/rsi/83/12/10.1063/1.4769271
2012-12-03
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Note: A transimpedance amplifier for remotely located quartz tuning forks
http://aip.metastore.ingenta.com/content/aip/journal/rsi/83/12/10.1063/1.4769271
10.1063/1.4769271
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