Agilent/Keysight N7553A

The Keysight N7553A is a 2-port electronic calibration module purpose-built for vector network analyzers. It eliminates the need for mechanical calibration kits, reducing calibration time by up to 50% while maintaining measurement accuracy across DC to 14 GHz. The module features programmable, highly repeatable impedance states derived from fully traceable electronic standards, enabling faster VNA setup and verification workflows.

Technical Specifications

• Frequency Range: DC to 14 GHz


• Ports: 2


• Calibration Type: Electronic (ECal)


• Connector Options: 3.5 mm or Type-N 50 Ω (female or male configurations)


• Interface: USB 2.0 micro


• Impedance States: Programmable with high repeatability


• Maximum Input Power: +7 dBm (power exceeding this level degrades calibration performance)


• Operating Temperature: +15 to +35°C at up to 75% relative humidity

Key Features

• Compact, lightweight 2-port form factor


• Fully traceable electronic impedance standards


• Programmable calibration states for rapid instrument qualification


• Dual connector support eliminates module swapping for different test configurations


• USB control enables integration with both benchtop and portable measurement systems

Typical Applications

• Component and subsystem S-parameter characterization


• VNA performance verification and calibration


• RF circuit validation across microwave frequencies


• Field measurements using handheld network analyzers

Compatibility & Integration The N7553A connects to Keysight PNA-X, PNA, ENA, and PXI series vector network analyzers. FieldFox handheld analyzers are also supported. USB 2.0 micro connectivity provides command control and impedance state programming without external power supplies.