HMC-C021

Overview

The HMC-C021 is a GaAs MMIC PHEMT distributed power amplifier housed in a miniature, hermetic module with replaceable 2.92mm connectors. It operates within the 21 to 31 GHz frequency range. The device provides 15 dB of gain and delivers 5 dBm output power at the 1 dB compression point. It functions reliably across an operating temperature range from -55°C to +85°C.

Feature Summary

• Utilizes GaAs MMIC PHEMT technology for distributed amplification
• Housed in a miniature, hermetic module with replaceable 2.92mm connectors
• Designed for wideband operation between 21 and 31 GHz

Applications

• VSAT systems
• Point-to-point microwave links
• Electronic warfare applications

Procurement Notes

Verify the specific revision and connector type upon ordering, as the module features replaceable 2.92mm connectors which may require separate procurement or specific handling during installation. Confirm that the hermetic seal integrity meets the environmental requirements of the target application. Ensure compatibility with the host board's thermal management strategy given the specified operating temperature range. Cross-reference the datasheet for any updates regarding pinout or mounting dimensions to prevent integration errors.

Selection Notes

Select this component when a wideband power amplifier is required specifically for the 21-31 GHz E-band spectrum. The choice is driven by the need for a hermetically sealed module with replaceable connectors, simplifying maintenance and testing compared to bare die solutions. Consider the 15 dB gain and 5 dBm output power levels against system link budget requirements. Evaluate the thermal performance within the -55°C to +85°C range to ensure stability under varying environmental conditions without active cooling if possible.

Part Context

The HMC-C021 belongs to Analog Devices' (formerly Hittite Microwave) family of wideband power amplifier modules. These modules integrate GaAs MMICs into compact, shielded enclosures to provide robust RF performance. This specific model targets high-frequency applications where size, weight, and reliability are critical constraints, distinguishing it from lower-frequency counterparts in the series.

Replacement Considerations

Public confirmed substitute part numbers: HMC-C024.