Keysight (Agilent) N4690D Electronic Calibration Module (ECal), 18 GHz, Type-N, 50 OHM, 2-Port

The Keysight N4690D is a 2-port electronic calibration module (ECal) engineered for rapid, accurate calibration of Keysight vector network analyzers operating to 18 GHz. This device eliminates manual calibration procedures by providing single-connection electronic calibration traceable to NIST standards. Direct USB control from compatible Keysight VNAs removes the need for external PC infrastructure, streamlining workflow and reducing operator error.

Technical Specifications

• Frequency Range: 300 kHz to 18 GHz (standard); DC to 18 GHz optional (Option 0DC)


• Impedance: 50 Ohm


• Ports: 2-port configuration


• Connector Type: Type-N


• Connector Options: Male/Male (M0M), Female/Female (F0F), Male/Female (M0F)


• Maximum Applied Power: +9 dBm (calibration accuracy may degrade above this level)


• Calibration Method: Electronic calibration with NIST traceability


• Interface: USB for direct VNA control

Key Features

• Single-connection calibration architecture reduces setup time and procedural complexity


• DC to 18 GHz option (0DC) supports broadband device modeling, time-domain analysis, and signal integrity applications


• Interchangeable Type-N connectors accommodate various test configurations


• Integrated storage case included


• NIST-traceable calibration standards ensure measurement confidence

Compatibility & Integration The N4690D integrates directly with Keysight ENA, PNA, PXI VNA, and FieldFox series analyzers via USB. No external computer or control software is required. The module belongs to the N469xD series ECal family, ensuring compatibility across related Keysight calibration platforms.