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SA-230F5 NF Corporation Amplifier


The SA-230F5 is an Amplifier from NF Corporation. Amplify RF and Microwave signals to measure, test, and design circuits. Applications include radio communications, cellphones, EMI testing, and much more.

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  • Additional Features:Frequency range: 1 kHz to 100 MHz
  • Input form: AC coupling, unblanced single-ended input
  • Input impedance: 50Ω ±5%(100 kHz)
  • Input voltage noise density: 0.35nV/√Hz max. (100 kHz) 0.25nV/√Hz typ. (10k to 1 MHz)
  • Input noise current density: 5.0pA/√Hz typ.(100 kHz)
  • Noise figure: 0.7dB max. 0.6dB typ. (10 MHz) 1.0dB max. 0.8dB typ. (100 MHz)
  • Max. output voltage: 2.0Vp-p/50ΩHz (1 kHz to 20 MHz)
  • Output impedance: 50Ω ± 5% (100 kHz)
  • Voltage gain: 46 ± 0.5dB / 50Ω (1 kHz)
  • Intercept point: 30dBm typ. (68 MHz)


  • Superconducting device in quantum computers
  • MCT (Mercury Cadmium Tellurium) sensor for infrared detection
  • Squid sensor for micro-magnet detection
  • High-temperature superconducting Josephson device for microwave detection
  • Electromagnetic sensor for MRI systems
  • Photodetector such as a photo-multiplier and photo-transistor
  • Improving sensitivity of lock-in amplifiers 

The SA-230F5 is a preamplifier for submicro-signal detection, which have been developed to assure noise reduction never before accomplished. The SA-230F5 is used to foster versatility as a sensor head amplifier or preamplifier for sensitivity improvement and noise reduction in analyzers and measurement instruments.

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