The Keysight (Agilent) N4903A High-Performance Serial BERT is a robust testing solution for evaluating the integrity of high-speed serial data links. This BERT offers precise control over signal parameters and comprehensive error analysis. It is used in research and development, manufacturing, and quality assurance environments to ensure the reliability and performance of high-speed digital systems. Key features include advanced jitter generation and analysis, pattern generation, and flexible clocking options. The N4903A helps engineers identify and resolve signal integrity issues, optimize designs, and validate compliance with industry standards.

Keysight (Agilent) N4903A High-Performance Serial BERT
The Keysight (Agilent) N4903A is a high-performance serial Bit Error Rate Tester (BERT) designed for testing high-speed digital communication systems and devices. It provides comprehensive error analysis capabilities, including bit error rate, error count, and error location. The N4903A supports various data rates and standards, making it suitable for validating the performance of serializers/deserializers (SerDes), high-speed interconnects, and communication links.
Product Condition & Availability
Keysight (Agilent) N4903A High-Performance Serial BERT is in excellent working condition and has been thoroughly tested for performance and reliability. We offer both new and professionally refurbished options, depending on availability and customer preference.
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Integrated Solutions & Deployment Support
Beyond individual products, Aumictech provides end-to-end solutions for manufacturing line deployment and test station setup. Our team can assist with system integration, configuration, and equipment selection tailored to your production requirements.
Trusted Industry Experience
With over a decade of experience, Aumictech is a recognized leader in RF and optical test equipment sales and services. All units are supported by our in-house calibration and repair facility based in Downingtown, PA, ensuring technical reliability and long-term value.
Customer Commitment
We’re committed to exceptional customer service, offering a 15-day return or replacement (ROR) policy for peace of mind. Our team is always available to assist with pre- and post-sale support.
Fast Shipping & Flexible Payments
We offer rapid global shipping through FedEx, UPS, and DHL, with most orders dispatched within 1–3 business days. Multiple secure payment options are available, including PayPal, ACH, wire transfers, and major credit cards.
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