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TI LMX2820RTCR broadband frequency synthesizer support up to 22.6 GHz external VCO
OverviewThe LMX2820RTCR is a high-performance broadband synthesizer that can generate any frequency in the 45MHz to 22.6GHz range. The high-performance PLL features a -236 DBC /Hz quality factor and a high phase detector frequency for extremely low in…
Overview
The LMX2820RTCR is a high-performance broadband synthesizer that can generate any frequency in the 45MHz to 22.6GHz range. The high-performance PLL features a -236 DBC /Hz quality factor and a high phase detector frequency for extremely low in-band noise and integrated jitter. The high-speed N-divider has no pre-divider, thus significantly reducing the amplitude and amount of spurious. There is also a programmable input multiplier to mitigate integer boundary spurious.
Applications
• Radar and electronic warfare
• 5G and millimeter wave wireless infrastructure
• Microwave backhaul connection
• Test and measurement equipment
• High speed data converter timing
Features
• Output frequency: 45 MHz to 22.6 GHz
• 36fs jitter at 6GHz (12kHz to 95MHz)
• High-performance PLL
- Quality factor: -236 DBC /Hz
- Normalized 1/f noise: -134 DBC /Hz
- -95 DBC Integer Mode spurious (fPD=100MHz)
- High phase detector frequency
• 400MHz integer mode
• 300MHz fractional mode
- Programmable input multiplier
- Supports offset mixing of direct PFD inputs, thus using the PLL N divider for ultra-low jitter
• 2.5µs fast VCO calibration time
• Mute pin with 200ns mute/unmute time
• After the frequency multiplier is enabled, the VCO leakage is -45 DBC
• Support for external VCO up to 22.6GHz
• Output phase synchronization across multiple devices
Two differential RF outputs and one differential SYSREF output for JESD204B support
Pin diagram
Contact: Mr. Chen
Tel: +8613410018555
Email: sales@hkmjd.com
Time:2025-06-24
Time:2025-06-24
Time:2025-06-24
Time:2025-06-24
Contact Number:86-755-83294757
Enterprise QQ:1668527835/ 2850151598/ 2850151584/ 2850151585
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E-mail:sales@hkmjd.com
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