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Variable Gain Low-Noise Current Amplifier DLPCA-200

Artikkelnr.: DLPCA-200

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Features
  • Transimpedance Gain from 10^3 to 10^11 V/A 
  • Input Noise Down to 4.3 fA/√Hz 
  • Bandwidth up to 500 kHz 
  • Rise Time down to 700 ns 
  • Bias-Voltage Adjustable 
  • Manual and Remote Control

Standard delivery time: 3 weeks ARO, Conditions: Ex.Works Germany unless specified

Model DLPCA-200
Performance Range Low Noise High Speed
Transimpedance [V/A] 103 104 105 106 107 108 109 105 106 107 108 109 1010 1011
Bandwidth 
(−3 dB) [kHz]
500 500 400 200 50 7 1.1 500 500 400 200 50 7 1.1
Rise Time
(10 
- 90 %)
700 ns 700 ns 900 ns 1.8 µs 7 µs 50 µs 300 µs 700 ns 700 ns 900 ns 1.8 µs 7 µs 50 µs 300 µs
Equ. Input Noise
[/√Hz]
20 pA 2.3 pA 450 fA 130 fA 43 fA 13 fA 4.3 fA 13 pA 1.8 pA 440 fA 130 fA 43 fA 13 fA 4.3 fA
Accuracy Performance Gain ±1 %, flatness 0.1 dB
Low Pass Filter Switchable to 10 Hz
Output Performance ±10 V, ±30 mA
Bias Voltage ±10 V, max. 22 mA, connected to shield of BNC input socket, switchable to GND
Power Supply ±15 V, +120 mA / −80 mA typ., ±200 mA recommended
Control Interface 5 opto-isolated digital inputs, TTL/CMOS compatible, analog offset control voltage input
Case 170 x 60 x 45 mm (L x W x H), Weight 320 g (0.74 lb.)

  • Photodiode and photomultiplier amplifier
  • Scanning tunneling microscopy (STM)
  • Spectroscopy
  • Beam monitoring for particle accelerators / synchrotrons
  • Ionization detectors
  • Preamplifier for lock-ins, A/D converters etc.