HMC702LP6CETR

Clock Generators, PLLs, Frequency Synthesizers Overview

The HMC702LP6CETR is a SiGe BiCMOS fractional-N phase-locked loop (PLL) designed for high-frequency applications up to 14 GHz. It integrates a fixed divide-by-2 stage followed by a 16-bit RF N-divider, a 24-bit delta-sigma modulator, and a low-noise digital phase-frequency detector. The device supports both integer and fractional modes, offering ultra-low phase noise performance with typical values of -98 dBc/Hz at 20 kHz offset in fractional mode. Key features include a built-in linear sweeper function, cycle slip prevention for fast settling, and auxiliary clock generation capabilities via the GPO interface.

Clock Generators, PLLs, Frequency Synthesizers Feature Summary

• 14 GHz RF input frequency capability with 16-bit N-divider range
• Ultra-low phase noise: -98 dBc/Hz @ 20 kHz offset (Fractional Mode)
• Built-in linear sweeper function with auto and triggered sweep options
• Cycle Slip Prevention (CSP) mechanism for rapid frequency settling

Clock Generators, PLLs, Frequency Synthesizers Applications

• Base stations for mobile radio (GSM, PCS, DCS, CDMA, WCDMA)
• Wireless LANs and WiMAX systems
• Communications test equipment
• FMCW sensors and automotive radar
• Phased-array systems

Clock Generators, PLLs, Frequency Synthesizers Procurement Notes

Verify component authenticity through authorized Analog Devices distributors or direct channels. Confirm the presence of the 'CETR' suffix indicates tape-and-reel packaging suitable for surface-mount assembly. Ensure supply chain documentation matches the specific lot codes and manufacturing dates required for quality assurance protocols.

Clock Generators, PLLs, Frequency Synthesizers Selection Notes

Select this component when operation frequencies up to 14 GHz are required with precise fractional-N synthesis. Consider the 16-bit divider resolution and 24-bit modulator for fine frequency step sizes. Evaluate power supply requirements (+3.3V analog/digital, +5V charge pump) and thermal management needs given the QFN-40 package dimensions.

Clock Generators, PLLs, Frequency Synthesizers Part Context

The HMC702LP6CETR belongs to the HMC702 series of fractional-N PLLs manufactured by Analog Devices. It is part of a family of synthesizers designed for wireless infrastructure and test equipment, sharing architectural similarities with other high-performance PLLs in the portfolio while offering specific frequency ranges and integration levels.

Clock Generators, PLLs, Frequency Synthesizers Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation. Engineering changes should be validated against electrical specifications, pin compatibility, and thermal characteristics before implementation.

Clock Generators, PLLs, Frequency Synthesizers FAQ

What is the maximum RF input frequency supported by the HMC702?

The maximum RF input frequency is 14 GHz when powered at 3.3V, and 13 GHz when powered between 2.7V and 3.3V.

How does the Cycle Slip Prevention (CSP) feature benefit frequency hopping?

CSP reduces the time to arrive at a new frequency by approximately 50% compared to conventional Phase Frequency Detectors, enabling faster settling times during frequency hops.

What reference input types are supported?

The device supports both square wave inputs (via XREFP) and sinusoidal inputs (via XSIN), allowing optimization for different crystal source types to minimize phase noise.