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NF Corporation SA-400F3

SA-400F3 NF Corporation Differential Amplifier

Low Noise Differential Amplifier

The SA-400F3 is a Differential 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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  1. NF Corporation SA-400F3 Features:
  • Frequency range: DC to 600kHz
  • Input form: DC coupling, balanced differential input
  • Input impedance: 1k / 10k / 100kΩ ±5(DC)
  • CMRR: 110dB min. 120dB typ. (50Hz)
  • Input voltage noise density: 0.9nV/√Hz max. (1kHz) 0.75nV/√Hz typ.(1kHz)
  • Input noise current density: 0.9nV/√Hz max. (1kHz) 0.75nV/√Hz typ.(1kHz)
  • Max. output voltage: ±10V/1kΩ(1kHz)
  • Output impedance: 50Ω ± 5% (DC)
  • Voltage gain: 40 ± 0.5dB / 1MΩ (1kHz)
  • Harmonics distortion: 0.008% typ. (1kHz±10V)
  1. The SA-400F3 is a preamplifier for submicro-signal detection, which has been developed to assure noise reduction never before accomplished. The SA-400F3 is used to foster versatility as a sensor head amplifier or preamplifier for sensitivity improvement and noise reduction in analyzers and measurement instruments.
  2. Applications:
  •  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