HMC443LP4E

Overview

The HMC443LP4E is an active x4 frequency multiplier utilizing InGaP GaAs HBT technology. It operates within a frequency range of 9.8 to 11.2 GHz with a typical input return loss of 15 dB at +25°C and Vcc=5V. The device requires a supply voltage between 4.5 V and 5.5 V, drawing 52 mA of operating current. It is housed in a QFN-EP-24 surface-mount package, rated for power dissipation of 500 mW, and functions reliably across a temperature range of -40°C to +85°C.

Feature Summary

• Utilizes InGaP GaAs HBT technology for high-performance frequency multiplication
• Provides x4 frequency multiplication capability in a compact leadless surface mount package
• Designed for stable operation with specified input return loss characteristics

Applications

• Microwave communication systems requiring frequency synthesis
• Test and measurement equipment needing precise signal generation
• Radar subsystems utilizing higher harmonic frequencies

Procurement Notes

Verify the specific suffix 'E' against the official Analog Devices datasheet to confirm RoHS compliance and material composition details. Ensure the QFN-EP-24 package footprint matches the target PCB design. Confirm that the 4.5 V to 5.5 V supply requirements align with the system power architecture before integration.

Selection Notes

Select this component when a fixed x4 multiplication ratio is required within the 9.8–11.2 GHz output band. Consider the 52 mA current draw and 500 mW thermal dissipation limits during thermal management planning. The exposed pad design necessitates adequate thermal vias and ground plane connectivity for optimal performance and reliability.

Part Context

This part belongs to the HMC443 series of active multipliers from Analog Devices. These devices are engineered for applications demanding compact form factors and reliable microwave frequency conversion. The series leverages advanced GaAs HBT processes to deliver consistent gain and phase noise performance in small surface-mount packages suitable for dense circuit layouts.

Replacement Considerations

Consult the official Analog Devices documentation for qualified substitute part numbers or pin-compatible alternatives within the same product family.