Calibrated Noise Sources
NC346 Series
The NC346 Series is designed for precision noise figure measurement applications. Each module’s low VSWR reduces multiple reflections and significantly increases the measurement accuracy for most noise figure test configurations.
Key Features
Models
Specifications
Calibration
Temperature Coefficient
Operating Temperature
Input Power
VSWR
Regulator
Voltage Coefficient
1 GHz steps
Less than 0.009 dB/°C
0°C to +55°C
+28 VDC ±2 VDC at 15 mA typical for NC346 A, B & D
Less than 1.15:1 from 10 MHz – 5 GHz for units with 5 – 7 dB or 14 –16 dB ENR
Built-in
< 0.002 dB/%∆V
Features & Benefits
- Broadband coverage
- Extremely good temperature stability
- Superior voltage stability
- Noise figure meter-compatible
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