High Frequency DXO

TKD High Frequency DXO oscillators use fundamental-mode quartz resonators to generate differential clocks at high frequencies without overtone complexity. Low jitter, tight stability and LVPECL/LVDS outputs support high-speed networking, SerDes and data center applications.

Ranges of High Frequency DXO

These differential oscillators generate high-frequency clocks from fundamental-mode crystals, achieving low jitter and clean differential signals. Standard packages with LVPECL or LVDS output suit switches, routers, optical modules and high-speed processors.

XO-5032HD

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High-Fundamental Frequency Design in Differential Oscillators

Fundamental mode advantage

Generating high frequencies from fundamental-mode crystals avoids overtone spurs and reduces phase noise, giving cleaner signals than multiplied designs.

Differential output

LVPECL or LVDS outputs provide immunity to common-mode noise and allow long, fast traces for high-speed clock distribution.

Jitter performance

Low random jitter and controlled deterministic jitter keep bit error rates low in SerDes and high-speed serial links.

Jitter and Output Interface Considerations for High-Fundamental DXO

Jitter budget

Allocate jitter among oscillator, PLL and receiver; a low-jitter DXO leaves more margin for the rest of the clock tree.

Differential interface

Match the output standard (LVPECL/LVDS) to the receiving device and provide correct termination (100 Ω differential for LVDS).

Layout

Route differential pairs with controlled impedance, equal length and tight coupling, keeping them away from noisy power converters.

Jitter and Output Interface Considerations for High-Fundamental DXO

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High Frequency DXO | TKD

Ranges of High Frequency DXO

XO-2016HD

XO-2520HD

XO-3225HD

XO-5032HD

High-Fundamental Frequency Design in Differential Oscillators

Jitter and Output Interface Considerations for High-Fundamental DXO