LVDS VCXO Oscillator
Your Professional LVDS VCXO 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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Why choose us
Superior Quality
A precision supply chain ensuring consistent product quality;An ultra-low failure rate validated by rigorous testing;High-quality materials and advanced technology make the product more reliable.
Service Advantages
A customer-centric service framework (covering pre-sales consultation to post-sales support) that prioritizes rapid response. 24-hour online service, timely and fast quotation for you.
Sales Market
Our Products has expanded into key international regions including Europe, Southeast Asia, the Americas, Oceania, and other major markets. This global network enables the company to provide full support to leading electronics manufacturers around the world, while maintaining a strong focus on high-quality products.
Our Certificate
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.
LVDS Output VCXO Oscillator 3225
The LVDS VCXO oscillator is an electronic device that combines low-voltage differential signaling (LVDS) output technology and the frequency adjustment function of a voltage-controlled crystal oscillator (VCXO). Its core is to achieve dynamic frequency adjustment through voltage control, while using LVDS technology to provide high-speed, low-noise differential signal output.
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PARAMETER |
SUPPLY VOLTAGE 2 .5V 3 .3V |
REMARKS |
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Frequency range |
10 ~ 1500MHz |
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Frequency stability |
±25ppm / ±50ppm |
See note below |
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Operating temperature range |
–10 to +60°C / –20 to +70°C / –40 to +85°C |
Options available |
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Aging first year |
±3 .0ppm |
@+25°C |
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Frequency pulling range |
±50ppm ~ ±150ppm |
Depending on frequency |
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Supply current |
40mA |
50mA |
@ load |
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Output waveform and load |
LVDS 100Ω |
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Output voltage level HIGH |
0.9V / 1 .1V |
Minimum / Typical |
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Output voltage level LOW |
1.4V / 1 .6V |
Typical / Maximum |
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Rise and Fall times |
<1ns |
<1ns |
@10~90% of VCC |
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Symmetry (duty cycle) |
45~55% |
@ 50%VCC |
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Phase jitter RMS |
0.5 ~ 1 .5ps |
12kHz≤Fj≤20MHz |
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Phase noise (122.88MHz) |
-113dBc |
@ 1kHz |
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-119dBc |
@ 10kHz |
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-120dBc |
@ 100kHz |
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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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Frequency Adjustment Range: The VCXO section offers a pulling range of ±50ppm to ±200ppm (some MEMS VCXOs can reach ±3600ppm), allowing the system to compensate for clock drift through voltage adjustments.
Rate: Supports up to 2.1Gbps, meeting high-speed data transmission requirements.
Jitter: Typical phase noise is -135dBc/Hz @ 1kHz offset (50MHz reference), ensuring signal integrity.
Compatibility: Seamlessly integrates with the LVDS interfaces of devices such as FPGAs and ASICs, simplifying system design.
Environmental Adaptability
• Temperature Range: Industrial-grade products support -40°C to +85°C, while military-grade products extend to -55°C to +125°C.
• Package Size: Minimum 2.5mm × 2.0mm, suitable for portable devices.
• Power Consumption: Operating voltage as low as 1.8V, current consumption is only a few mA, making it suitable for energy-sensitive applications.
Type of LVDS Output VCXO Oscillator 3225
Pure LVDS Output Type
FCom Fuji Crystal's FVC-3L/5L/7L-PG series supports LVDS differential output with a frequency range of 10-1500MHz, a pulling range of ±50ppm, and RMS jitter below 1.2ps.
LVDS/LVPECL Dual Output Type
YXC's YSV220PR series supports LVDS and LVPECL differential outputs with a frequency range of 10-1500MHz and a pulling range of ±200ppm.
LVDS/HCSL Multi-Output Type
YXC's YSV221PJ series supports LVDS, LVPECL, and HCSL outputs with a frequency range of 15-2100MHz, a pulling range of ±200ppm, and a jitter of only 0.163ps.
Applications of LVDS Output VCXO Oscillator 3225
Communication Systems (5G Base Stations, Optical Transmission)
Select low phase noise products (e.g., -135dBc/Hz @ 1kHz) and ensure the pulling range (±50ppm to ±200ppm) can compensate for fiber transmission or clock synchronization errors. Avoid using wide pulling range models (e.g., ±200ppm) in ultra-low jitter scenarios, as the increased pulling range may compromise phase noise performance.
Video and Display (HDMI, 4K/8K TVs)
The frequency must be strictly matched to the video pixel clock (e.g., 148.5MHz @ 4K). Excessive frequency deviation (>±10ppm) may cause image tearing or color gamut errors. Jitter must be ≤0.5ps; otherwise, pixel misalignment may occur.
Test and Measurement (Oscilloscope, Spectrum Analyzer)
Select high-stability products (frequency stability ≤±10ppm @ -40°C to +85°C) and verify linearity (consistent linearity between control voltage and frequency changes).
Technical Principle of LVDS Output VCXO Oscillator 3225
A VCXO (Voltage Controlled Crystal Oscillator) uses a varactor diode in series with a quartz crystal resonator. An external control voltage is used to vary the diode capacitance, thereby "pulling" the resonant frequency of the quartz crystal. For example, when the control voltage increases from 0V to 5V, the frequency can shift by ±50ppm to ±200ppm from the nominal value (e.g., 10MHz).
LVDS (Low Voltage Differential Signaling) is a differential signaling standard that transmits data via a pair of complementary signals (e.g., +350mV and -350mV). It features a low voltage swing (typically 350mV), low electromagnetic interference (EMI), and high data rates (up to 2.1Gbps). Its core advantages include:
Strong noise immunity: Differential signals are immune to common-mode noise, making them suitable for long-distance transmission.
Low power consumption: Due to the small voltage swing, dynamic power consumption is significantly lower than that of single-ended signals (e.g., CMOS).
High speed: Supports high-speed data interfaces such as HDMI 2.1 and 5G base stations.
Operation and Maintenance
Avoid Electrostatic Discharge (ESD)
• The pins of the LVDS VCXO are ESD-sensitive. Wear an anti-static wrist strap when handling and place an anti-static mat on the work surface. Store in anti-static packaging and avoid contact with materials that easily generate static electricity, such as plastic bags and foam.
Soldering and Rework
• Reflow Soldering Temperature: Must comply with lead-free soldering standards (peak temperature 260°C ± 5°C, time ≤ 10 seconds). Excessive temperatures may cause internal damage to the crystal or frequency shift.
• Manual Soldering: Use a soldering iron below 350°C, soldering time ≤ 3 seconds, and avoid thermal shock.
Long-Term Storage
• Storage Environment: Temperature 0°C to +40°C, Humidity ≤ 60%. High humidity may cause pin oxidation, affecting contact.
• Storage Duration: Recommended storage time: No more than 2 years. Frequency stability must be retested after this period.
Certificates
FAQ
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