HMC951ALP4E Voltage-Controlled Oscillator VCO, Low-Phase Noise, 4-Pin LGA Package

HMC951ALP4E Overview

The HMC951ALP4E is a high-performance wideband frequency synthesizer designed to deliver low phase noise and excellent frequency stability across a broad tuning range. Offering integrated low-noise PLL functionality with an on-chip VCO, this device supports frequencies from 6.5 GHz to 13.6 GHz, making it ideal for demanding RF and microwave applications. The device features a low phase noise floor and fast switching capabilities, ensuring precise signal generation for communication systems and test equipment. Its compact 4×4 mm package facilitates easy integration into complex systems requiring stable local oscillator signals. Available through IC Manufacturer, it is engineered to meet the performance and reliability expectations of engineers and sourcing specialists in industrial and defense markets.

HMC951ALP4E Technical Specifications

HMC951ALP4E Key Features

• Wide Frequency Coverage: Supports 6.5 GHz to 13.6 GHz tuning range, enabling flexible local oscillator solutions across multiple RF bands.
• Low Phase Noise Performance: Typical phase noise of -103 dBc/Hz at 10 kHz offset reduces signal jitter and improves overall system sensitivity.
• Integrated Low-Noise VCO: Simplifies design by eliminating the need for external VCO components, enhancing reliability and reducing PCB space.
• Fast Switching Speed: Enables rapid frequency hopping or channel switching, critical for modern communication and radar applications.
• Compact QFN Package: Facilitates high-density PCB layouts and thermal management in space-constrained systems.
• Low Power Consumption: 100 mA typical current draw supports energy-efficient designs in portable and battery-powered equipment.
• Robust Electrical Interface: 5 V supply with standard control inputs allows straightforward integration into existing system architectures.

HMC951ALP4E Advantages vs Typical Alternatives

This synthesizer offers superior phase noise and broad frequency coverage compared to many standard PLL solutions, enhancing signal integrity and system performance. Its integrated VCO and low power consumption provide design efficiency and reliability benefits. The compact package size and wide operating temperature range ensure robust operation in harsh industrial and defense environments, making it a more dependable and versatile choice than typical alternatives.

Typical Applications

• Radar and Electronic Warfare Systems: Provides stable, low phase noise local oscillators critical for high-resolution target detection and jamming resistance.
• Test and Measurement Equipment: Enables precise frequency synthesis necessary for signal generators and spectrum analyzers in lab environments.
• Satellite Communications: Supports frequency conversion and signal processing functions with low phase noise essential for data integrity.
• Wireless Infrastructure: Suitable for base station local oscillators requiring fast switching and wide frequency tuning.

HMC951ALP4E Brand Info

The HMC951ALP4E is part of the Hittite Microwave Corporation portfolio, a recognized leader in high-frequency integrated circuits and frequency synthesizers. Known for delivering reliable, high-performance semiconductor products tailored for RF and microwave applications, the brand emphasizes engineering excellence and innovation. This synthesizer continues the tradition by providing a precision frequency source suitable for demanding industrial and defense system designs.

FAQ

What is the typical phase noise performance of this frequency synthesizer?

The device typically achieves -103 dBc/Hz phase noise at a 10 kHz frequency offset, which is