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OE4002 Voltage Pre-amplifier
FET type low noise x10/x100 pre-amplifier

6nV/√Hz input noise
FET input, 100 MΩ impedance
Gain of 10/20/50/100
1Hz-300kHz gain andwidth
Ultra small and portable
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OE4003 Voltage Pre-amplifier
BJT type low noise x10/x100 pre-amplifier

2 nV√Hz input noise
Ultra-low noise input stage BJT
Gain of 10/20/50/100
200Hz-300kHz gain bandwidth
Ultra-compact and portable
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OE4101 Current Pre-amplifier
70MHz Transimpedance Low Noise

Low current noise down to 60fA/√Hz
DC-70MHz bandwidth range
Ultra-low noise from input stage JFETs
Flexible transimpedance gain settings
Wide range of high-precision bias adjustment
Simple and convenient switching control
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OE4102 Current Pre-amplifier
100MHz Dual Channel Differential
Low current noise down to 100fA/√Hz
Ultra-low noise from input stage JFETs
Multi-step precision input impedance
DC-100 MHz gain bandwidth
Independent synchronized 2-channel design
Differential inputs for better signal integrity
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