Charge amplifier for tuning fork type crystal unit HQA-15M-10T-HQA-15M-10T

Charge amplifier for tuning fork type crystal unit HQA-15M-10T
Optoscience Co., Ltd.

About This Product

The HQA-15M-10T is a charge amplifier specifically developed for pure AC power supplies that do not have or generate DC components on average over time. Therefore, there is no need to reset the integrator. Most suitable for tuning fork crystals used in atomic force microscopy (AFM). Pyro and piezo detectors and longitudinal oscillators are also suitable as signal sources.

■Excellent S/N ratioHQA-15M-10T is designed for amplification of charge signals generated by small tuning forks. It is also ideal for receiving signals from piezo elements used to detect ultrasonic vibrations. With HQA-15M-10T, it is possible to reduce noise by an order of magnitude compared to conventional current-to-voltage converters.

■Special operation mode of charge amplifierA charge amplifier is a current integrator. An output voltage is produced that is proportional to the charge accumulated at the amplifier input over a given period of time. Charge amplifiers often require a reset mechanism to avoid overloading the integrating stage.
The HQA-15M-10T is developed for AC signal sources that do not have or generate time-averaged DC components. The charges in such a signal source alternate symmetrically between positive and negative charges. As a result, the integrated charge is zero, so the HQA-15M-10T does not require a reset.

■Difference between current amplifier and charge amplifierThe output signal of a current amplifier (synonymous with transimpedance amplifier) ​​is directly proportional to the input current. Current is the differential value of charge with respect to time. Therefore, the output signal of a current amplifier corresponds to the derivative of the output signal of an equivalent charge amplifier.

■Features・High gain: 10V/pC
・Wideband: 250Hz to 15MHz
・Low noise: 40x10-21C/√Hz@1MHz

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There is 1 model available for this product.

Product
Charge amplifier for tuning fork type crystal unit HQA-15M-10T

Handling Company
Optoscience Co., Ltd.

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1 Models of Charge amplifier for tuning fork type crystal unit HQA-15M-10T

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	HQA-15M-10T	Available upon quote

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About Company Handling This Product

Optoscience Co., Ltd.

Japan

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Charge amplifier for tuning fork type crystal unit HQA-15M-10T Optoscience Co., Ltd.

About This Product

■Excellent S/N ratio

■Special operation mode of charge amplifier

■Difference between current amplifier and charge amplifier

■Features

1 Models of Charge amplifier for tuning fork type crystal unit HQA-15M-10T

HQA-15M-10T

Customers who viewed this product also viewed

Other products of Optoscience Co., Ltd.

About Company Handling This Product

Related search keywords

Charge amplifier for tuning fork type crystal unit HQA-15M-10T
Optoscience Co., Ltd.