Broadband Calibrated Noise Sources
CNS346: 10 MHz to 50 GHz Noise Sources
Overview
The Spanawave CNS346 Series is designed for precision noise figure measurement applications. The superior VSWR characteristics reduce multiple reflections of the test signals and significantly increase the measurement accuracy of most noise figure set-ups.
The CNS346 Series noise sources have broadband coverage and extremely good temperature and voltage stability, for the finest noise figure meter-compatible laboratory standards. Outputs of 6 or 15 dB ENR are available, allowing accurate noise figure measurements up to 20 or 30 dB respectively.
The return loss of the noise sources is measured in both the on and off states and is included in the calibration report provided with each noise source up to 50 GHz. Each noise source is also supplied with calibration data traceable to NIST.
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Specifications
| Calibration |
1 GHz steps |
| Temperature coefficient |
Less than 0.009 dB/°C |
| Operating temperature |
0°C to +55°C |
| Input power |
+28 VDC ±2 VDC at 15 mA typical |
| VSWR |
Less than 1.15:1 from 10 MHz - 5 GHz for units with 5 - 7 dB or 14 -16 dB ENR |
| Regulator |
Built-in |
| Voltage coefficient |
< 0.002 dB/%ΔV |
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