HMC739LP4E

Overview

The HMC739LP4E is an MMIC Voltage Controlled Oscillator (VCO) from Analog Devices, operating in the 23.8 GHz to 26.8 GHz frequency range. It features a QFN-24 package and requires a supply voltage between 4.75 V and 5.25 V with a current rating of 220 mA. The device provides triple outputs including standard, divide-by-2, and divide-by-16 signals. Key performance metrics include a phase noise of -93 dBc/Hz and a tuning sensitivity of -65 MHz/V over a 1 VDC to 13 VDC tuning voltage range. It functions within an operating temperature range of -40°C to +85°C.

Feature Summary

• Generates RF signals with integrated divide-by-2 and divide-by-16 output capabilities for flexible frequency synthesis.
• Utilizes MMIC technology to deliver low phase noise performance in a compact surface-mount package.
• Supports wide tuning voltage ranges to accommodate various loop filter designs.

Applications

• Point-to-point microwave radio systems
• Satellite communication ground stations
• Test and measurement instrumentation

Procurement Notes

Verify component authenticity through authorized Analog Devices distributors or certified partners. Confirm RoHS compliance status via official documentation before integration. Check for obsolescence notices or lifecycle changes directly from the manufacturer. Ensure storage conditions meet specified humidity and temperature limits to prevent degradation. Validate pinout compatibility with existing PCB layouts during procurement planning.

Selection Notes

Select this component when high-frequency stability and multiple divided outputs are required without external dividers. Consider the thermal management requirements associated with the 220 mA current draw in dense PCB layouts. Evaluate the phase noise specification against system link budget requirements. Ensure the tuning voltage range aligns with available control voltages in the target application design.

Part Context

This part belongs to the HMC739 series of MMIC VCOs designed for Ka-band applications. It complements other Analog Devices oscillators by offering integrated frequency division, reducing component count in synthesizer chains. The LP4E suffix indicates specific packaging and testing configurations compared to earlier revisions.

Replacement Considerations

HMC739LP4ETR is the tape-and-reel version of the same functional device. Verify package dimensions and pin assignments match if substituting with non-series alternatives. No direct cross-brand substitutes are officially confirmed in public documentation.