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可調高速電流放大器DHPCA-100可變增益電流放大器

產品型號：DHPCA-100

產品品牌：德國Femto

增益足夠大,同時增益可調

高信噪比,低噪聲;

被測信號無失真,有足夠的通頻帶寬;

儀器簡介：

Bandwidth and Frequency Response

The DHPCA-100 provides an optimum combination of gain and bandwidth. At the gain setting of 103 V/A it provides an extraordinary high 3 dB bandwidth of 200 MHz and even at the highest gain setting of 108 V/A the upper cut-off frequency is still an excellent 220 kHz. For those applications not requiring the full bandwidth the unit has a switchable 10 MHz and 1 MHz low pass filter to minimize broadband noise.

技術參數：

互阻放大倍數:10二次方到10八次方 V/A

增益精度:±1%

等效輸入電壓噪聲:2.8nV/√Hz;

增益設置:低噪聲模式,高速模式;

輸出電壓:±1V

輸出阻抗:50Ω

Transimpedance Gain from 102 to 108 V/A

Bandwidth up to 200 MHz

Rise Time down to 1.8 ns

Internal Signal Filters

Adjustable Bias Voltage

Manual and Remote Control

主要特點：

The Ultimate High Speed Current Amplifier

The DHPCA-100 variable gain transimpedance amplifier is the perfect choice for applications that require the conversion of small electrical currents into usable voltages at bandwidths up to 200 MHz. It is ideally suited for DC and AC measurements up to 200 MHz, time resolved measurements down to the ns-region and as the preamplifier for fast photodetector signals.

The DHPCA-100 offers many features including variable gain from 102 to 108 V/A, switchable AC/DC-coupling, adjustable offset for baseline correction, adjustable bias voltage for use with fast photodiodes, switchable 10 MHz and 1 MHz low pass filters and the capability of both manual and remote control. With its rugged and compact EMI shielded case the DHPCA-100 is the ideal universal high speed amplifier for a broad range of applications.

配套用的電源:電源：PS-15-25-L

7級可變增益102~108V/A，200MHz通帶上限，1.8nszui小上升時間，可變換信號過濾器和直流交流耦合器，可調Bias電壓和偏置電壓，手動操作和遠程控制，適用于快速光探測器、示波器器的前級放大，射頻鎖相和實驗室的一般性應用。