LVPECL Oscillator
LVPECL output oscillators offer strong noise immunity and are commonly used in short-range communication applications, particularly at high frequencies such as 100M, 106.25M, 125M, 133M, 200M, 250M, and 300MHz. HCI's LVPECL oscillators support supply voltages of 2.5V and 3.3V, with an overall frequency tolerance of 25 to 100ppm, and can operate over an extended temperature range of -55°C to +125°C.
Your Professional LVPECL Oscillator Supplier
Suzhou Hangjing Elec & Tech Co., Ltd., founded in 2014, is a technology-driven small and medium-sized enterprise (SME) specializing in the full-spectrum R&D, design, production, and sales of quartz frequency control components. Rooted in a professional team and advanced manufacturing expertise, the company has developed a robust product portfolio encompassing quartz crystals, crystal oscillators, TCXO, VCXO, OCXO, crystal filters-ranging from foundational components to tailored systems.
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All our products have passedGB/T 19001 - 2016/ISO 9001:2015 Quality Management System Standard, This demonstrates that they meet international standards for quality, safety, and performance.
LVPECL Crystal Oscillators 2520
LVPECL Crystal Oscillators 2520 are electronic components commonly used in various devices and systems that require high-speed signal transmission and synchronization. These crystal oscillators provide precise and stable clocking signals, making them critical for applications where timing is crucial.
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PARAMETER |
CO22P6 |
CONDITIONS / REMARKS |
|
Nominal frequency range |
13.5 ~ 220MHz |
Fund., Overtone or PLL |
|
Supply voltage |
2.5VDc/3.3VDc |
Other option possible |
|
Supply current |
50mA |
Maximum, Fund mode lower Icc |
|
Frequency stability |
±25ppm / ±50ppm / ±100ppm |
See note below |
|
Operating temperature range |
-10 to +70°C or - 40 to 85°C |
Other options available |
|
Output waveform and load |
LVPECL / 50Ω |
Into Vcc-2 |
|
Output voltage level HIGH |
Vcc - 1.025V / Vcc - 0.880V |
Minimum / Maximum |
|
Output voltage level LOW |
Vcc - 1.810V / Vcc - 1.620V |
Minimum / Maximum |
|
Rise and Fall times |
1.5ns |
@ 20 ~ 80 ~ 20%Vcc |
|
Symmetry (duty cycle) |
45 - 55% |
@ outputs cross point |
|
Phase jitter RMS |
<0.5ps |
Integrated 12kHz≤Fj≤20MHz |
|
Note: Stability includes frequency deviations at +25°C, over temperature range, due to supply voltage changes, output load changes, shock and vibration. |
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Advantages of LVPECL Crystal Oscillators 2520
High-Speed Operation
LVPECL crystal oscillators can operate at high frequencies, enabling efficient signal transmission and synchronization in high-speed data communication systems. Their fast switching characteristics make them suitable for applications demanding precise timing.
Low Power Consumption
Compared to other logic families, LVPECL crystal oscillators consume relatively low power, making them energy-efficient. This feature is particularly important in portable electronic devices and battery-powered systems.
Noise Immunity
LVPECL crystal oscillators are known for their excellent noise immunity, allowing them to operate reliably even in noisy environments. This characteristic makes them ideal for applications where signal integrity is crucial.
Wide Temperature Range
LVPECL crystal oscillators can withstand extreme temperature conditions, making them suitable for both industrial and consumer electronic applications. They maintain their stability and accuracy across a wide temperature range.
Type of LVPECL Crystal Oscillators 2520
Universal LVPECL Crystal Oscillator
Using standard LVPECL output logic, the output high level (VOH) and low level (VOL) are VDD-0.9V and VDD-1.7V, respectively, with a differential swing of approximately 1.6V. 50Ω resistors are used to terminate the signal to (VCC-2V) for impedance matching and minimize signal reflections.
Voltage-Controlled LVPECL Crystal Oscillator (VCXO)
With a built-in variable reactance diode, the output frequency can be adjusted using an external control voltage (VC) for frequency deviation control. This device is suitable for applications requiring dynamic frequency adjustment, such as phase-locked loops (PLLs) and clock synchronization systems.
High-Frequency Differential LVPECL Crystal Oscillator
The output frequency ranges from 100MHz to 2.1GHz, supporting ultra-high-speed data transmission. A low-impedance driver (5Ω to 10Ω) is used to minimize signal attenuation and increase transmission distance.
Applications of LVPECL Crystal Oscillators 2520
Telecommunications
LVPECL crystal oscillators are extensively used in telecommunications equipment, such as routers, switches, and network interface cards. They ensure accurate data transmission and synchronization in high-speed communication networks.
Test and Measurement Equipment
In the field of test and measurement, LVPECL crystal oscillators play a crucial role in providing precise timing signals for oscilloscopes, frequency counters, and spectrum analyzers. They enable accurate measurement and analysis of electronic signals.
Data Storage Systems
LVPECL crystal oscillators are integral components in data storage devices, including hard disk drives and solid-state drives. They ensure reliable data transfer and synchronization, enhancing the overall performance of these systems.
Industrial Automation
Industrial automation systems heavily rely on LVPECL crystal oscillators for precise synchronization, timing, and control. They are used in programmable logic controllers (PLCs), motor drives, and robotics to maintain accurate operation in industrial environments.
Choosing the Right LVPECL Crystal Oscillators 2520
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Frequency Stability and Accuracy
The desired frequency stability and accuracy depend on the application requirements. Ensure the chosen oscillator can meet the required frequency specifications to maintain proper timing.
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Temperature Range
Consider the operating temperature range of your application and select an oscillator that can withstand these conditions without compromising its stability and performance.
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Power Supply Voltage
LVPECL crystal oscillators operate at low voltage levels. Ensure the selected oscillator is compatible with the power supply voltage available in your system.
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Package Size and Mounting
Consider the available space and mounting options in your system when choosing an LVPECL crystal oscillator. Different package sizes and mounting options are available to accommodate various applications.
Working Principle of LVPECL Crystal Oscillators 2520
LVPECL Crystal Oscillators 2520 operate based on the principle of the positive emitter-coupled logic, which uses a differential amplifier to generate the output signal. They utilize a crystal resonator to control the frequency and stability of the generated signal. By applying an input voltage, the oscillators produce a square wave output with a specific frequency and duty cycle.
Differential Amplifier and Output Stage
The differential amplifier in LVPECL crystal oscillators amplifies the voltage difference between two input signals, resulting in a high-speed output signal. The output stage, consisting of transistors and resistors, converts the amplified voltage into a square wave signal.
Crystal Resonator
The crystal resonator serves as the frequency-determining element in LVPECL crystal oscillators. It exhibits the property of piezoelectricity, where mechanical stress induces an electric charge across the crystal. This charge, in turn, causes the crystal to vibrate at a specific frequency, allowing for accurate timing in electronic devices.
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LVPECL Crystal Oscillators 2520, LVPECL Crystal Oscillators 7050, Wide Temperature LVPECL OSC Oscillator 5032