可変ゲイン低ノイズ電流アンプ DLPCA-200
Variable Gain Low Noise Current Amplifier DLPCA-200
- 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
- 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.
| 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.) | |||||||||||||
| Download Datasheet |  120KB |
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| Offset adjustable by trimpot or external control voltage. LED overload indication. Input protected against ± 3 kV transients. Output short-circuit protected. Power supply via 3-pin LEMO socket. A mating connector is provided with the device. Optional power supply PS-15 available. For further information please view the datasheet or contact FEMTO. | ||||||||||||||
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