Agilent / HP / Keysight 346A
346A Noise Source, 10 MHz to 18 GHz, nominal ENR 6 dB
Description
The Agilent / HP 346A noise source is designed for a broad range of measurement applications. The Agilent / HP 346A noise source works in the frequency range of 10 MHz to 18 GHz.
The Agilent / HP 346A eliminates the necessity for several sources at different frequency bands which has individual calibrated ENR values at specific frequencies.
The low SWR of Agilent / HP 346A noise source reduces a major source of measurement uncertainty reflection of test signals. In addition, the variety of available connectors reduces the need for degrading accuracy with connector adapters.
The Agilent 346A is designed especially for accurate characterization of input impedance sensitive devices (like GaAsFETs and many UHF amplifiers).
The 346A's very small change in reflection coefficient form ON to OFF minimizes errors when measuring noise figure and gain as a function of input impedance.
Key Points
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
Specifications
Frequency Range: 10MHz - 18GHz
ENR limits: 5 to 7dB
Maximum SWR: 1.30
3.5mm (m) input connector
50ohm input impedance
28Vdc operation
Connectors: BNC (f) input bias / 3.5mm (m)
Size: 21 mm W x 140 mm H x 30 mm D
Weight: Net, 0.108 kg; shipping, 0.5 kg