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The Sapphire-Loaded Cavity Oscillator Advantage: Delivering the Lowest Phase Noise at X-Band

Discover how Marki Microwave's Sapphire-Loaded Cavity Oscillators (SLCOs) deliver the lowest phase noise at X-band frequencies. This webinar explores key oscillator performance metrics, compares SLCO performance with competing technologies, and examines the impact of high-performance oscillators in radar, electronic warfare, quantum, and precision instrumentation systems.




Date: September 24, 2026
Time: 11 AM EDT (8 AM PDT / 5:00 PM CEST)
Duration: 1 hour
Presented by:

Overview

Local oscillator metrics create a performance ceiling for systems such as radar, quantum, and precision instrumentation. As direct conversion systems gain popularity, local oscillators must increasingly supply the phase stability and frequency accuracy that downstream converters cannot correct. Quartz, SAW, dielectric resonator, and air cavity oscillators have historically addressed this challenge. However, they each have drawbacks in terms of phase noise, stability, and SWaP-C.

Marki Microwave's new Sapphire-Loaded Cavity Oscillators (SLCOs) have fundamental output frequencies in the X-band, achieving the lowest phase noise of any oscillator technology in this class. They operate in whispering-gallery mode, and a proprietary design resolves the temperature sensitivity issues that have historically kept sapphire oscillators out of deployable systems.

In this webinar, we will address the fundamentals of oscillator performance, such as phase noise and Allan deviation, as well as oscillator contributions to overall system success. We will then review SLCO performance at X-band alongside measured phase noise data for competing technologies, and review what systems require high performance oscillators such as the Marki SLCO. Attendees will gain a framework for evaluating oscillator trade-offs and a clear understanding of why SLCOs are the oscillator of choice for next-generation radar, electronic warfare, quantum, and precision instrumentation systems.

Key Takeaways

  • Understand key oscillator metrics, including phase noise and Allan deviation.
  • Compare SLCO phase noise with competing X-band technologies
  • Explore how Marki's SLCO design resolves temperature sensitivity
  • Identify systems that require high-performance oscillators
  • Evaluate oscillator trade-offs in phase noise, stability, and SWaP-C

Speaker

Cameron Sheth, Product Marketing Manager, Marki Microwave

Cameron Sheth is a Product Marketing Manager at Marki Microwave. Since joining the company in 2020, Sheth's role has spanned applications support, datasheet characterization, and product support for both connectorized and passive devices. Sheth has contributed to the release of products across most of Marki Microwave's product families and has published several articles on MMIC filter development and design tools. Prior to joining Marki Microwave, he was a student at University of California, Santa Barbara, where he obtained a Master's Degree in electrical engineering.