Product description
The OE4101 is a transimpedance current amplifier that utilizes a negative feedback structure to convert input current to voltage using a feedback resistor and to control amplification.
The OE4102 detects current by measuring the voltage drop across a resistor on the input current channel, amplifies and outputs a voltage signal proportional to the measured current.
OE4101 transimpedance low noise current preamplifier
60fA/√Hz input current noise
100V/A,10kV/A,1MV/A,100MV/A current transimpedance gain
Wide range, high resolution bias adjustment
Principle block diagram
Product specification
Dimension 102*176*49(mm)
Weight 0.3kg
Storage temperature -20 ℃ to 65 ℃
Operating temperature 5 ℃ to 40 ℃
Power supply 12V/1A
Maximum power consumption Approx 4.3W
Test conditions: supply voltage = 12V, ambient temperature = 25°C, input current 10mA-10nA, gain steps 100V/A-100MV/A, 0.5m BNC coaxial cable connection.
Note: [1]. Refer to Table 3 for the maximum input current range of the input signal of each gain stage; among them, use BNC converter to connect to the measuring instrument to reduce the load capacitance for the 100V/A stage, and use 0.5m BNC cable for the other stages.
[2].The OE4101 is used as a negative feedback amplifier, the output signal is in opposite phase to the input signal.
Figure I. Gain error-frequency curve
Figure II. Phase shift-frequency curve
