Keysight 346C Noise Source, 10 MHz to 26.5 GHz, nominal ENR 15 dB

Fully tested & working Keysight/Agilent 346C broadband noise source. Frequency coverage 10 MHz to 26.5 GHz, nominal ENR 15 dB (12–16 dB below 12 GHz, 14–17 dB above 12 GHz). Features low SWR (<1.35:1) to reduce measurement uncertainty, with individually calibrated ENR values at key frequencies. Equipped with 3.5 mm (male) output and BNC (female) bias input. Compatible with Keysight NFA series, X‑series (PXA/MXA/EXA/CXA), and ESA spectrum analyzers. NIST‑traceable calibrated, inspected, excellent working condition.