Current Amplifier from Electro Optical Components
Electro Optical Components Inc.
December 7, 2009
Electro Optical Components Inc., Santa Rosa, CA, offers the FEMTO DDPCA-300 ultra-low-noise variable-gain current (transimpedance) amplifier for very sensitive current and charge measurements. The device has switchable gain from 104 to 1013 V/A, noise input of 0.4 fA/√Hz min., and a 240 dB dynamic range. Features include adjustable voltage directly on amplifier input for DUT biasing, DC-optimized design with high stability and low drift, manual control, and a remote interface. Applications include amplifying small currents close to DC generated by high-impedance sources, such as photodiodes, PMTs, ionization, and particle detectors.
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