Adtran has introduced the Enhanced Short-Term Unit (ESTU) precision timing module, a new addition to its OSA 3300 High-Performance (OSA 3300 HP) and OSA 3300 Super High-Performance (OSA 3300 SHP) optical cesium clocks. The ESTU module significantly improves short-term frequency stability, achieving performance levels comparable to passive hydrogen masers, which are no longer available in the Western market. Designed for industries requiring ultra-stable timing, the ESTU module enhances synchronization accuracy for applications in metrology, space exploration, satellite communications, and defense.
By reducing Allan Deviation, the ESTU module ensures highly stable data collection and precise measurement operations. Supporting both 5MHz and 10MHz output frequencies, it provides flexibility for various high-precision applications, including those previously reliant on passive hydrogen masers. The ESTU’s short-term stability, combined with the long-term precision of optical cesium clocks, makes it an ideal solution for scientific research labs, aerospace, and critical infrastructure that demand uncompromising accuracy in time synchronization.
“With our precision timing module, we’re setting new benchmarks in short-term frequency stability, addressing the critical demands of sectors ranging from scientific research labs to aerospace companies,” said Gil Biran, GM of Oscilloquartz, Adtran. Patrick Berthoud, Chief Scientist at Oscilloquartz, emphasized that Adtran’s Swiss-engineered synchronization technology continues to push the boundaries of timing precision, providing mission-critical industries with unmatched stability and accuracy.
• Key Points
• Adtran launches ESTU module to enhance OSA 3300 HP and OSA 3300 SHP optical cesium clocks.
• Achieves passive hydrogen maser-level short-term frequency stability, reducing Allan Deviation.
• Supports 5MHz and 10MHz output frequencies for ultra-precise synchronization.
• Enables more stable satellite communications, space exploration, and metrology applications.
• Provides a market-first combination of short-term stability and long-term cesium clock precision.
“With our precision timing module, we’re setting new benchmarks in short-term frequency stability, addressing the critical demands of sectors ranging from scientific research labs to aerospace companies,” said Gil Biran, GM of Oscilloquartz, Adtran.
- Allan Deviation is a statistical measure used to evaluate the frequency stability of oscillators, clocks, and timing systems over different time intervals. Unlike standard deviation, which assesses overall variability, Allan Deviation focuses on short-term fluctuations, making it particularly useful for analyzing the performance of high-precision timing sources such as optical cesium clocks and atomic frequency standards. Lower Allan Deviation values indicate greater stability, which is critical for applications requiring ultra-precise synchronization, such as satellite navigation, deep-space communication, and high-frequency trading.
