Variable Gain Ultra Low Noise Current Amplifier
DDPCA-300
- 0.4 fA peak-peak noise
- Very high dynamic range: Sub-fA to 1 mA (>240 dB)
- Transimpedance (Gain) switchable from 1 x 104 to 1 x 1013 V/A
- Bandwidth up to 450 Hz, Rise Time down to 0.8 ms – Independent of Source Capacitance (up to 10nF)
- Adjustable Bias-Voltage on Input Relative to Ground
- Compact Housing for use close to the signal source
- Protection against +2kV transients
- Local and Remote Control
- East to use: Convert your standard digital voltmeter or DAQ Board to a high-end Digital Sub-Femotamperemeter
Applications:
- Photodetector amplifier
- I/V characterization of small MOS structures
- DC measurements of ultra low currents
- Ionization detectors, mass spectrometry, quantum and biotech experiments
- Spectroscopy
- High resistance measurements
Low Noise Input/Output Cable: CAB-LN1 Low Noise Cable
The LUCI-10 amplifier interface allows remote control of FEMTO amplifiers and photoreceivers with a remote control capability from a standard Windows PC with USB port.
Variable Gain Current Amplifier Comparison
| Model | DDPCA-300 | |||||||||
| Performance Range | Performance Depending on Gain Setting | |||||||||
| Transimpedance [V/A] | 104 | 105 | 106 | 107 | 108 | 109 | 1010 | 1011 | 1012 | 1013 |
| Bandwidth [- 3 dB] [kHz] | 400 | 400 | 400 | 400 | 150 | 150 | 20 | 20 | 1 | 1 |
| Rise Time(10%-90%) | 0.8ms | 0.8ms | 0.8ms | 0.8ms | 2.3ms | 2.3ms | 17ms | 17ms | 350ms | 350 ms |
| Equ. Input Noise [/Hz1/2] | 45 pA | 45 pA | 0.45 pA | 0.45 pA | 15 fA | 15 fA | 1.3 fA | 1.3 fA | 0.2 fA | 0.2 fA |
| Lowpass Filter | Switchable to 0.1 Hz, 0.7 Hz or Full Bandwidth | |||||||||
| Output Performance | ±10 V (@ ≥1MΩ load) | |||||||||
| BIAS Voltage | ±10 V, Adjustable by Trimpot or External Control Voltage, max. 10 mA, Connected to Center Pin of BNC Input Socket | |||||||||
| Power Supply | ±15 V, +70 mA/-15 mA Typ. | |||||||||
| Control Interface | 4 Opto-Isolated Digital Inputs, TTL/CMOS compatible, Analog Bias Control Voltage Input | |||||||||
| Interface Software Option | LUCI-10 Control Interface Software & Hardware Option | |||||||||
| Case | 170 x 60 x 45 mm (L x W x H), Weight 320 g (0.74 lbs) | |||||||||
| Offset adjustable by trimpot. LED overload indication. Input protected against ±2 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 is available. For further information please view the datasheet. | ||||||||||