HMC449LC3B

Overview

The HMC449LC3B is an active broadband frequency multiplier manufactured by Analog Devices Inc. utilizing GaAs PHEMT technology. Designed for DBS and VSAT applications, it operates within a frequency range of 27 GHz to 31 GHz. The component is housed in a leadless RoHS-compliant SMT package with 12 pins (12-VFQFN Exposed Pad). It functions as an x2 multiplier when driven by a 0 dBm input signal.

Feature Summary

• Active broadband frequency multiplication using GaAs PHEMT technology
• Optimized for DBS and VSAT application bands
• Leadless RoHS-compliant surface-mount packaging

Applications

• Direct Broadcast Satellite (DBS) systems
• Very Small Aperture Terminal (VSAT) communications
• Ka-band uplink frequency synthesis

Procurement Notes

Verify current availability status as the part may be obsolete or subject to limited supply. Confirm package type matches design requirements. Ensure input drive levels align with specified operational parameters. Check for updated replacement components if discontinuation is confirmed.

Selection Notes

Select this component for Ka-band applications requiring compact frequency multiplication. Verify compatibility with existing oscillator outputs. Consider thermal management due to MMIC power dissipation. Validate impedance matching networks for optimal conversion efficiency at target frequencies.

Part Context

This device belongs to the Hittite Microwave Corporation family of RF ICs, now integrated into Analog Devices Inc. portfolio. It serves as a specialized solution for high-frequency generation in satellite communication infrastructure, replacing discrete multiplier stages with a monolithic integrated circuit approach.

Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation.