Keysight N3383A PNA Network Analyzer

Overview

Keysight N3383A is a three-port PNA vector network analyzer covering 300 kHz to 9 GHz, built for RF and microwave engineers who need to characterize multi-port components — power splitters, three-port switches, diplexers, and balanced devices — without the workaround of repeated two-port measurements and manual de-embedding. With 128 dB of dynamic range at the test port, extending to 143 dB with direct receiver access, sixteen independent measurement channels, and full three-port error correction, the Keysight N3383A delivers the measurement accuracy that RF component design and production test both depend on.

Working closely with plant engineers in the region, Seven Star LLC proudly supplies the Keysight N3383A to RF test laboratories, telecommunications equipment manufacturers, and defense-adjacent research facilities across Oman and the GCC, backed by genuine factory support, technical application guidance, and Keysight’s PNA family software ecosystem for labs standardizing on SCPI and COM/DCOM-based automated test.

Operating Principle

The Keysight N3383A measures S-parameters by simultaneously stimulating and sampling all three test ports through an internal switching and receiver architecture, applying full three-port error correction to remove the systematic effects of directivity, source match, and load match at every port rather than the reduced accuracy of cascading two-port corrections. USB-controlled electronic calibration (ECal) automates this error-correction process, replacing a manual mechanical calibration kit swap with a single-connection calibration module that dramatically reduces calibration time and operator-introduced variability during high-volume test.

A sweep speed of 35 µs per point across sixteen independent measurement channels allows the N3383A to characterize complex multi-port devices across wide frequency sweeps without the throughput penalty that would otherwise make three-port characterization impractical in a production test environment. The instrument’s built-in hard drive and Windows 2000-based operating environment support SCPI and COM/DCOM programming, letting engineers integrate the analyzer directly into existing automated test executive software.

Engineering Design of the Keysight N3383A

The Keysight N3383A is built into a rack-mountable bench enclosure with a full-color display presenting multiple S-parameter traces simultaneously, and three front-panel RF test ports arranged for direct connection to the device under test without external switch matrices for standard three-port measurements. Dedicated hard keys and a numeric keypad support fast setup changes between calibration, measurement, and analysis modes during a characterization sequence.

Internally, the N3383A integrates a built-in hard drive for storing calibration data, measurement setups, and trace data locally, reducing dependency on external PC storage during standalone bench operation. GPIB, USB, and LAN connectivity support both legacy automated test systems and modern networked test benches, and the instrument accepts a range of optional configurations for extended frequency coverage and additional measurement personalities within the broader PNA platform.

Key Features

The Keysight N3383A combines three-port measurement capability with the accuracy and throughput RF component test demands. Its principal capabilities include:

• Covers 300 kHz to 9 GHz across three simultaneous test ports for direct multi-port component characterization.
• Delivers 128 dB dynamic range at the test port, extending to 143 dB with direct receiver access, for measuring high-isolation devices.
• Applies full three-port error correction to remove directivity, source match, and load match effects across all ports simultaneously.
• Automates calibration through USB-controlled electronic calibration (ECal), replacing manual mechanical cal kits for faster, more repeatable setup.
• Achieves 35 µs per point sweep speed across sixteen independent measurement channels for high-throughput production test.
• Supports SCPI and COM/DCOM programming for integration into existing automated test executive software.
• Includes a built-in hard drive on a Windows 2000-based platform for local storage of calibration and measurement data.
• Accepts multiple optional configurations within the broader Keysight PNA platform for extended measurement personalities.

Industrial Applications

Telecommunications equipment manufacturers, defense-adjacent research facilities, and RF component test laboratories across Oman rely on network analyzers such as the Keysight N3383A to characterize the power splitters, combiners, three-port switches, and filter assemblies used in cellular base station infrastructure, satellite ground equipment, and radar systems. Its three-port measurement capability with full error correction removes the need for repeated two-port workarounds when validating multi-port RF components during design verification and incoming inspection, saving significant test time on production lines handling high component volumes. Growing telecommunications and satellite communications infrastructure projects in the Sohar and Salalah free zones depend on this class of precision RF test equipment to validate the RF front-end components supporting expanding 4G/5G and broadband network coverage.

With fast quotation turnaround and technical support, Seven Star LLC distributes the Keysight N3383A to RF test laboratories and telecommunications infrastructure providers throughout the Sultanate of Oman, Muscat, and the wider GCC, supporting mobile network operators, satellite ground station integrators, and defense-adjacent industrial contractors that all require accurate multi-port RF component characterization. Seven Star LLC’s technical support helps laboratories in Sohar, Salalah, and Muscat specify and source an N3383A, with lead time confirmed at quotation.

Technical Specifications

The table below summarizes the primary specifications of the Keysight N3383A relevant to RF test laboratory and production-test procurement.

Request a Quote for Keysight N3383A PNA Network Analyzer

Seven Star LLC invites RF test laboratories, telecommunications equipment manufacturers, and defense-adjacent research facilities across Oman and the GCC to submit a formal RFQ for the Keysight N3383A PNA Network Analyzer. With engineering support in Muscat, Seven Star LLC supplies on request, provides the full technical datasheet on request, and connects buyers directly with its instrumentation division for application guidance — contact Seven Star LLC today to place an order or request a tailored quotation.

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