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Service and Repair of Keysight 81960A Tunable Laser Source

Service & Repair of Agilent E4407B ESA-E 26.5 GHz Spectrum Analyzer

We provide professional repair and calibration services for the Agilent E4407B ESA-E Spectrum Analyzer, a powerful, general-purpose RF analyzer covering up to 26.5 GHz. Used in defense, telecom, aerospace, and manufacturing environments, the E4407B delivers wide dynamic range, fast sweep times, and flexible measurement capabilities. If your unit is displaying errors, spectrum instability, or failing RF performance checks, we can restore it to factory-grade condition with certified accuracy.

Our Services Include:

  • Complete RF signal path diagnostics and tracking generator testing (if equipped)

  • Frequency accuracy and span performance testing

  • RF input connector repair, alignment, and VSWR verification

  • Display, keypad, and firmware troubleshooting

  • Internal board-level repair of ALC, IF, and LO circuits

  • NIST-traceable RF calibration with full test report

Common Problems We Repair:

  • No signal or degraded RF sensitivity

  • Frequency drift or span errors

  • Failing attenuator, preamp, or mixer circuits

  • Display screen dimming or backlight failure

  • Firmware errors, boot-up problems, or GPIB issues

  • Damaged front RF input or worn connectors

Why Choose Our Service:

  • Trusted by RF engineers and calibration labs worldwide

  • Extensive knowledge of ESA-E and PSA analyzer series

  • Fast 3–7 day service turnaround depending on issue severity

  • Calibration certificate with traceable standards

  • Warranty and 15-day Right of Return included

Contact us today to request a service quote for your Agilent E4407B Spectrum Analyzer and get your instrument back in spec.

Get a Quick Quote

Email: Sales@aumictech.com

Call:  +1 ‪(484) 841-9341‬

Price Starts from:

$2,480.00

Service and repair for Keysight 81960A tunable laser source, ensuring optimal performance and reliability. Our expert technicians provide comprehensive diagnostics, repairs, and calibration services to maintain your laser source in top working condition.

Calibration Services

Accurate measurements are critical in every lab and manufacturing environment. That’s why we offer NIST-traceable calibration. Using precision standards and certified reference equipment, our team performs a full verification of wavelength accuracy, power levels, and response time. After calibration, your instrument not only meets but often exceeds factory specifications. Every service includes a calibration certificate to support ISO and quality compliance audits.


Industry Applications

Our repair and calibration services are trusted by telecommunications providers, research labs, universities, and manufacturing plants worldwide. By maintaining tight tolerances and providing quick turnaround, Aumictech helps minimize downtime and maximize productivity. Many of our clients rely on us for scheduled preventive maintenance, ensuring instruments remain accurate during critical testing or production runs.


Cost Efficiency & On-Site Options

Unlike OEM services that often come with long lead times and high costs, Aumictech provides affordable repairs with flexible turnaround options. For large facilities or urgent needs, we also offer on-site calibration—bringing our certified equipment directly to your lab or production line. This reduces shipping delays, minimizes handling risks, and keeps your operations running smoothly without interruption.


Why Choose Aumictech

Choosing Aumictech means partnering with a dedicated repair and calibration lab focused on optical and RF test equipment. With decades of combined expertise, an extensive inventory of replacement parts, and specialized tooling for high-end instruments, we deliver reliable service at a fraction of the replacement cost. Our commitment to quality, precision, and fast turnaround makes us the trusted partner for organizations looking to extend the life and accuracy of their critical equipment.