Request InfoElectro Optical Components Inc.The DDPCA-300 ultralow, noise-variable, gain current amplifier from Femto has been announced by Electro Optical Components Inc. Designed for sensitive current and charge measurements, the amplifier features a switchable gain from 104 to 1013 V/A. It has an extremely low noise input of 0.4 fA/√Hz minimum allowing measurement of currents in the femto to pico Ampere range. It also has a dynamic range of 240 dB. Features include adjustable voltage directly on amplifier input for DUT biasing, direct current-optimized design with high stability and very low drift and manual control and...See full productRelated content from Photonics MediaPRODUCTSPhotonics Spectra January 2023 IssueVariable Gain PhotoreceiverThe OE-300 200-MHz high-speed photoreceiver from FEMTO and Electro Optical Components Inc. features quality photodiodes and a high-end, variable gain transimpedance amplifier. 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