Agilent/Keysight N4432D

The Keysight N4432D is a 4-port RF electronic calibration module engineered for fast, accurate calibration of vector network analyzers. This ECal module eliminates the need for mechanical calibration kits, delivering full 4-port calibration with fewer connections and reduced connector wear. USB connectivity to Keysight VNAs enables direct firmware control and automatic module recognition, minimizing operator error and extending the lifetime of test ports and standards.

Technical Specifications

• Standard: 300 kHz to 18 GHz


• Option 0DC: DC to 18 GHz Ports and Connectors


• 4-port configuration


• Type-N and 3.5 mm connector support


• Available in female-female, male-male, and female-male connector pairs


• Option 020: Type-N 50 Ω female connectors on all four ports Directivity (Option 020: Type-N 50 Ω Female)


• DC to 10 MHz: 50 dB


• 300 kHz to 10 MHz: 45 dB


• 10 MHz to 5 GHz: 50 dB


• 5 to 9 GHz: 47 dB


• 9 to 13.5 GHz: 41 dB


• 13.5 to 18 GHz: 40 dB Operating Conditions


• Temperature: +20 °C to +26 °C


• Humidity: Up to 95% RH at 40 °C, non-condensing

Key Features

• Significantly faster calibration than traditional mechanical kits


• Direct USB interface with automatic firmware recognition


• Front-panel control from host analyzer reduces operator-induced errors


• Mixed Type-N and 3.5 mm connector options accommodate non-insertable device connectors


• DC-capable option (0DC) enables broadband modeling and time-domain analysis


• Minimal physical contact with test ports reduces maintenance costs

Typical Applications

• Automated vector network analyzer calibration


• Broadband device characterization (with Option 0DC)


• Signal integrity and time-domain measurements


• Production test environments requiring high-speed calibration cycles

Compatibility & Integration Designed for Keysight PNA, ENA, and PXI VNA series analyzers. Compatible with other Keysight vector network analyzers supporting ECal modules. Supports devices with Type-N and 3.5 mm connectors across all frequency bands from 300 kHz to 18 GHz.