Keysight (Agilent) 346A

Noise Source, 10 MHz to 18 GHz, nominal ENR 6 dB
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The Agilent 346A noise source is the ideal companion to Agilent''s noise figure solutions. Since it is broadband (10 MHz to 18 GHz), it eliminates the necessity for several sources at different frequency bands. The low SWR of the noise source reduces a major source of measurement uncertainty; reflections of test signals. The very small change in reflection coefficient (<0.01) from ON to OFF is designed especially for accurate characterization of input-impedance-sensitive devices (like GaAsFETs and many UHF amplifiers).

  • Frequency range: 10 MHz to 18 GHz
  • VSWR: < 1.3:1
  • Connectors: BNC (f) input bias / 3.5 mm (m)
  • Low SWR for reducing noise figure measurement uncertainty
  • Individually calibrated ENR values at specific frequencies
  • Calibration supplied on floppy disk for easy loading into NFA Series Noise Figure Analyzers
List of Options
001 Type N (male) connector
002 APC-7 Connector
004 Type N (female) connector
100 APC 3.5(m) connector
1BN Military Standard 45662A Calibration Certification
910 Additional operating and service manual
H10 NPL calibrated transfer standard
H11 Agilent Std lab cal at 21 freqs (10MHz to 18GHz + 7.5 GHz)
H13 Std lab cal at 20 freqs from the data sheet (10MHz to 18GHz)
R-50C-011-3 Agilent Calibration - 3 years
R-50C-011-5 Agilent Calibration - 5 years
R-50C-021-3 ANSI Z540-1-1994 Calibration - 3 years
R-50C-021-5 ANSI Z540-1-1994 Calibration - 5 years
R-51B-001-3C Return to Agilent Warranty - 3 years
R-51B-001-5C Return to Agilent Warranty - 5 years
R-51B-001-C Return to Agilent Warranty - 1 year
RMKT Agilent Refurbished Product (Do Not Use - Certiprime Option)
Specifications & Attributes (Noise [Source/Figure Meter])
Form Factor
10 MHz - 18 GHz

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