Low Frequency Low Noise Amplifiers

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  • M540: GaAs MMIC Low Noise Amplifiers (SOIC-8 Platform)
    Early in 1994, M/A-COM began offering a family of plastic packaged GaAs MMIC low noise amplifiers (LNAs) featuring single positive supply voltage, low noise figure, high dynamic range, and low power consumption for the high volume commercial wireless communications market. These MMIC LNAs use M
  • Benchtop and USB-Powered Amplifiers Serve Measurement Applications
    with high gain and low noise figures along with rugged construction. The USB powered amplifiers are complemented by attenuators and switches that cover more or less the same frequency ranges. High-Performance Benchtop Amplifiers Benchtop amplifiers for measurement applications must maintain
  • Frequency-Domain Response of Lock-in Filters
    The response of a lock-in amplifier is characterized by the parameters of its low-pass filter (LPF), i.e. time constant and filter order. The temporal response of the LPF demonstrates the latency of measurement while its spectral response shows the noise characteristics of measured signals.
  • Balun Basics Primer
    to include balanced mixers, amplifiers, and signaling lines of all types. Baluns have long been ubiquitous in low frequency audio, video, and antenna driving applications. The need for high speed, low noise data transfer has driven the advancement of the balun to higher frequencies and superior performance.
  • Schottky Mixer Feature High Dynamic Range
    of the mixer. The signal for the RF port of the mixer is typically derived from a low noise amplifier (LNA) which ultimately comes from an antenna. The resulting intermediate frequency (IF) produced from mixing the two signals is then processed or possibly down converted again.
  • Electropages.com: Compact Wi-Fi 6 FEM Minimizes Layout Area in IEEE 80211ax Systems
    Qorvo QPF4532 5GHz Wi-Fi 6 Front End Module (FEM), available now from Mouser, is optimised for IEEE 802.11ax systems. The FEM features a 5150MHz to 5850MHz frequency range, up to 31dB transmit gain, and a low 2dB noise figure. This highly integrated device combines a 5GHz power amplifier, regulator
  • Air Springs Keep High-Fidelity Sounds Pure
    at the specially designed demonstration room which could potentially displease its discerning customers - a punch press in an adjacent workshop created both audible noise and low-frequency interference that was transmitting to the audio systems. The engineers called in an ACE Controls distributor based
  • Principles of lock-in detection and the state of the art
    settings. The lock-in detection technique is described both in the time and in the frequency domain. Moreover, details are laid out on how signal modulation can be exploited in order to improve on signal-to-noise ratio (SNR) while keeping acquisition time low. Finally, recent innovations are discussed

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