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NC3400 Series 2 GHz to 18 GHz

NC3400 Series 2 GHz to 18 GHz
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Count on the Noise Leader NC3400 Series 2 GHz to 18 GHz High ENR Coaxial Noise Sources With Built-in Isolators The NC3400 Series coaxial noise sources are an excellent choice for applications requiring high ENR and immunity to large incident RF power, such as ATE, radiometer, and radar systems. The calibration accuracy and flatness of the NC3400 Series noise sources are enhanced by their low VSWR. The built-in isolator provides almost constant output impedance as the noise source bias is switched on and off. The isolator also protects the noise diode from incident RF power (consult the factory for higherpower units). An SMA female connector is standard for the RF output and a BNC female connector is standard for the bias input. Other connectors are available as options. Applications • Radar systems • High NF device measurements • Automated test equipment (ATE) General Specifications ENR Up to 35 dB VSWR Less than 1.25:1 Standard input voltage +28 VDC Noise output rise and fall times Less than 1 ìs Maximum incident 1 W average, RF power 100 W peak Typical current 12 to 15 mA Data Sheet NC3400 Series 2 GHz to 18 GHz

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Model Frequency (GHz) ENR (dB) Flatness Full Band (dB)* Max. VSWR (on/off)** I (max) (mA) NC3404 2 - 4 30 - 36 ± 0.75 1.25:1 30 NC3405 4 - 8 30 - 35 ± 0.75 1.25:1 30 NC3406 8 - 12 28 - 33 ± 0.75 1.25:1 30 NC3407 12 - 18 26 - 32 ± 0.75 1.25:1 30 * Flatness for units optimized for bandwidths less than 10 percent of the center frequency is less than ± 0.25 dB. Improved VSWR may also be obtained for units with reduced bandwidth. ** VSWR for models with N connector is 1.35:1 up to 12 GHz. N connectors are not recommended for frequencies above 12 GHz. Options Option Number Description NC34opt01 N...

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