KoT cut OPAW is River Eletec’s proprietary crystal technology platform designed for advanced frequency control and ultra-low phase noise clock generation. By combining the original KoT cut crystal structure with OPAW (Orthogonal Plate Acoustic Wave) vibration, this next-generation architecture enables ultra-high-frequency fundamental-mode oscillation together with excellent temperature stability in a compact package. By thoroughly suppressing unwanted resonances (spurious modes), it delivers a clean signal spectrum and ultimate precision.
This innovative technology is offered in two powerful formats to meet the exact needs of advanced hardware engineers. When deployed as a crystal unit paired with a customer’s IC, it fundamentally elevates baseline communication quality. More importantly, when integrated with a custom-designed, optimized IC to form a high-performance crystal oscillator, it significantly reduces phase jitter in high-speed serial communication approaching the GHz range. This plug-and-play solution eliminates the need for complex circuit matching, delivering an overwhelmingly low noise floor right out of the box.
These devices provide the optimal timing solution for highly demanding environments—from network analyzers and aerospace to AI data center optical transceivers supporting 1.6 Tbps-class data transmission with flawless signal integrity.
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| Model | Product catalog |
Size | Nominal frequency | Frequency tolerance | Frequency / temperature characteristics | Operating temperature | Features | |||
|---|---|---|---|---|---|---|---|---|---|---|
| (mm: L × W) | (mm: H Max.) | min. (MHz) | max. (MHz) | @ 25 ℃ (ppm) | (ppm) | min. (℃) | max. (℃) | |||
| KCR-04 |
|
3.2 × 2.5 | 0.7 | 500.000 | 800.000 | ±10, ±20 | ±10 〜 ±50 | -40 | +125 | High precision KoT cut OPAW Crystal Unit (OPAW : Orthogonal Plate Acoustic Waves) |
*Click on the model name to view detailed information, including specifications and features.
| Model | Product catalog |
Size | Nominal frequency | Frequency tolerance | Operating temperature | Supply voltage | Output level | Features | |||
|---|---|---|---|---|---|---|---|---|---|---|---|
| (mm: L × W) | (mm: H Max.) | min. (MHz) | max. (MHz) | @ 25 ℃ (ppm) | min. (℃) | max. (℃) | (V) | ||||
| KCRO-1409 |
|
14.2 × 9.2 | 5.3 | 500.000 | 1000.000 | ±20, ±30, ±50 |
-40 | +125 | +4.75 〜 +5.25 | Sine wave | High precision KoT cut OPAW Crystal Unit (OPAW : Orthogonal Plate Acoustic Waves) |
| KCRO-04 |
|
3.2 × 2.5 | 1.3 | 100.000 | 1000.000 | ±20, ±30, ±50 |
-40 | +125 | 1.8, 2.5, 3.3 | LVDS LVPECL |
High precision KoT cut OPAW Crystal Unit (OPAW : Orthogonal Plate Acoustic Waves) |
| KCRO-05 |
|
2.5 × 2.0 | 0.85 | 625 | 625 | ±50 | -40 | 105 | 1.8, 2.5, 3.3 | LVDS LVPECL |
12fs Ultra-Low Jitter |
※Click on the model name to view detailed information, including specifications and features.
Thank you for requesting RIVER ELETEC’s white paper on 1.6T optical clock evaluation. Explore key evaluation criteria and real-system compatibility.
Download the OPAW® and KoT cut® Whitepaper 2026 to learn how River Eletec technologies support stable, high-quality clock performance.
Explore how PLL-free oscillators can reduce heat and improve efficiency in AI data centers facing growing power demands.
Discover how to achieve phase noise reduction in 1.6T optical communications. Learn why PLL-free 625MHz fundamental-mode oscillation minimizes phase jitter.
