The SE4102 current amplifier features a JEFT input stage with very low noise over a wide frequency range. It also has extremely low input bias current, allowing accurate current measurement amplitudes at small signals. It is designed to work with any Saluki digital lock-in amplifier. The SE4102 current amplifier features variable, precision input impedance for accurate source matching, and accurately converts input current to output voltage over a frequency range up to 50MHz.
SE4102 Dual Current Preamplifier
Key Features
50 MHz wideband for high capacitance sources
Precision Input Impedance for Accurate Source Matching
Variable Input Impedance for Accurate Source Matching
Differential inputs provide better signal integrity
Extremely low noise and low input leakage
| Input Current | 3μA – 300mA |
| Coupling method | DC coupling: DC-50MHz AC coupling: 290kHz-50MHz |
| Output Voltage Gain | G=1 , G=10 |
| Gain Accuracy | 0.1% |
| Input Bias Voltage | 0.1mV(G=1),40mV(G=10) |
| output voltage without distortion | 5Vrms(Max.) |
| Input Leakage Current | 2pA |
| Input Voltage Noise | 5 nV/√Hz |
| Common Mode Voltage Range | -9 V to 7 V |
| Power Supply | ±12V—1A |
Main Machine
| Module No. | Item | Description |
| SE4102 | Dual Current Preamplifier | DC-50MHz; 2 channels |
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