Request InfoFemto Messtechnik GmbHThe HSA-X series high-speed, fixed-gain, low-noise preamplifiers from Femto Messtechnik GmbH are available in three standard versions that feature different bandwidths and gain. All use standard 50-(omega) input and output impedance that results in a voltage standing-wave ratio from <1.5 to 2 GHz. Specifications include gain of 20/40 dB, bandwidths from 10 kHz to 1.5 GHz at –3 dB and gain flatness better than 0.3 dB. The amplifiers deliver 11-dBm output and exhibit a 50-(omega) noise figure from 1.9 to 5.1 dB. They have a bias coil in the DC path of the input circuitry and are...See full productRelated content from Photonics MediaPRODUCTSPhotonics Spectra December 2022 IssuePosition-Sensing DetectorThe high-sensitivity, 2-mm-diameter APX-PSD-XVInG-3.1 Position-Sensing Detector (PSD) from Advanced Photonix features spectral response from the visible to NIR and SWIR wavelengths. 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