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Current /Transimpedance Amplifiers

Current amplifier LCA-4k-1GDC up to 400 kHz Ultra Low Noise Fixed Gain LCA

  • Input noise down to 180 aA/√Hz
  • Bandwidth up to 400 kHz
  • Gain up to 1013 V/A
  • Flat frequency response
  • EMI-shielded case

 

Current amplifier HCA-400M-5KDC up to 400 MHz High Speed Fixed Gain HCA

  • Input noise down to 270 fA/√Hz
  • Bandwidth up to 400 MHz
  • Gain up to 106 V/A
  • Flat frequency response
  • Stabilized and adjustable bias voltage output for biasing external photodiodes
  • EMI-shielded case

 

DDPCA-300 R1Sub Femto Ampere Sensitivity Variable Gain DDPCA

  • 0.4 fA peak-to-peak noise
  • Transimpedance gain from 104 to 1013 V/A
  • 240 dB dynamic range for sub-fA to mA measurements
  • Adjustable voltage on input for DUT biasing
  • Compact housing for use close to the signal source
  • Manual and remote control

 

Current amplifier DLPCA-200DC up to 500 kHz Low Noise Variable Gain DLPCA

  • Transimpedance gain from 103 to 1011 V/A
  • Input noise down to 4.3 fA/√Hz
  • Bandwidth up to 500 kHz
  • Rise time down to 700 ns
  • Adjustable bias voltage
  • Manual and remote control

 

DHPCA 100 DC up to 200 MHz High Speed Variable Gain DHPCA

  • Transimpedance gain from 102 to 10V/A
  • Bandwidth up to 200 MHz
  • Rise time down to 1.8 ns
  • Internal signal filters
  • Adjustable bias voltage
  • Manual and remote control

GHz-Wideband Amplifiers

Suitable as Current and Voltage Amplifiers

High-Speed Amplifier HSA-XHigh-Speed Amplifier HSA-Y 10 kHz to 2.5 GHz Fixed Gain HSA

  • Ultra-wide bandwidth from 10 kHz up to 2.5 GHz
  • Gain up to 60 dB (x 1,000)
  • Transimpedance gain with photodetectors up to 50,000 V/A
  • Very low input noise down to 310 pV/√Hz (6.2 pA/√Hz)
  • Integrated DC-current path for biased photodetector applications
  • Two identical signal outputs (HSA-Y series)
  • DC-monitor output (HSA-Y series)

 

DUPVA 1 70 W R11 kHz to 1.2 GHz Variable-Gain 50 Ω Input DUPVA

  • Variable gain up to 70 dB (approx. x3000), switchable in 10 dB steps
  • Bandwidth 1 kHz to 1.2 GHz
  • Bandwidth independent of gain setting (guaranteed)
  • Noise figure down to 1.9 dB (330 pV/√Hz)
  • Local and remote gain control

 

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