NoiseCom NC346B

The NoiseCom NC346B is a precision broadband noise source engineered for stable, repeatable noise power output across 0.01 GHz to 18.0 GHz. Designed for calibration, testing, and noise figure measurements in telecommunications, aerospace, and radar applications, it delivers 14–16 dB ENR with exceptional temperature and voltage stability. The low VSWR design minimizes reflections and enhances measurement accuracy in demanding test configurations.

– Technical Specifications

• Frequency Range: 0.01 GHz to 18.0 GHz
• Output ENR: 14–16 dB
• Calibration Points: 1 GHz steps
• Temperature Coefficient: <0.009 dB/°C
• Voltage Coefficient: <0.002 dB/%∆V
• Operating Temperature: 0°C to +55°C
• Input Power: +28 VDC ±2 VDC at 15 mA typical
• Maximum Current: 30 mA
• Built-in Regulator: Yes
• Return Loss: Measured on/off state, included in calibration report

– VSWR Performance

• 0.01–5 GHz: ≤1.15:1
• 5–18 GHz: ≤1.25:1 (standard connectors); ≤1.35:1 (N-type options)
• APC7 Option: 1.15:1 (10 MHz–5 GHz), 1.25:1 (5–18 GHz)

– Key Features

• Multiple RF connector options: APC7, N Female, N Male, SMA Male, waveguide interfaces (CPR229F, UG39/U, UBR120)
• Compact, rugged construction for field and laboratory deployment
• Superior temperature and voltage stability for repeatable measurements
• Calibration data includes return loss measurements
• Shipped in protective wooden packaging

– Typical Applications

• Noise figure meter calibration and characterization
• Receiver sensitivity testing and validation
• System noise performance evaluation
• RF/microwave component characterization

– Compatibility & Integration

The NC346B integrates with standard noise figure measurement systems and compatible laboratory instruments. Multiple connector options accommodate diverse test setups and existing infrastructure.