Sine Scientific Instruments

OE4003 Voltage Pre-amplifier_copy20260428152149

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
Introduction_copy20260428152149
Performance_copy20260428152149
Response Curve_copy20260428152149
Download Materials_copy20260428152149

OE4003 Ultra Low Noise Preamplifier

2 nV/√Hz input noise

10,20,50,100x gain

10 kΩ input impedance

Single-ended or differential input


Schematic

Schematic


Input

Input Impedance10MΩ//10pF
Voltage Input ModeSingle-ended or Differential
Maximum Input Voltage70mVrms(Overload)


Noise Performance

10Hz16.96nV/NHz
1kHz3.65nVNHz
10kHz2.411nVHz
100kHz2.2nV/Hz
Coupling methodAC coupling (160Hz)
Input bandwidth200Hz~300kHz
Common mode rejection ratio100dB(100Hz)
Gain setting10,20,50,100
Gain accuracy2% max


Output

ASingle-ended output
BShielded ground
Maximum output voltage7Vrms
Power Requirements12V DC


Response Curve


File name Explain Size Version number Download
OE4002 Performance Specification Sheet_copy20260428152149 Performance Specification Sheet of OE4002 FET Preamplifier. 974kb v20210804
Download
OE4003 Performance Specification Sheet_copy20260428152149 Performance Specification Sheet of OE4003 BJT Preamplifier. 868kb v20210804
Download
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