H4E1M1
The H4E1M1 is a multi-stage GaN integrated Doherty power amplifier for 5G NR n79 macro base stations, delivering 43 dBm (20 W) saturated output power across 4.5–5.0 GHz with over 30 dB gain.
With the Doherty network integrated on-chip, it achieves approximately 32% average power-added efficiency at 8 dB output back-off with ACPR of −32 dBc, supporting 100 MHz signal bandwidth. Housed in a 4×5 mm QFN with 50 Ω matched I/O and no external matching required.
- 4.5 – 5.0 GHz (5G NR n79)
- Over 30 dB gain with ±1 dB flatness
- 43 dBm saturated output power (20 W)
- ~32% average PAE at 8 dB output back-off
- ACPR −32 dBc, EVM 5–6% at 8 dB back-off
- Supports 100 MHz signal bandwidth and carrier aggregation
- Doherty splitter and combiner integrated on-chip
- 50 Ω matched at input and output
- QFN 4×5 mm package
Acknowledgment of Country - MILLIBEAM acknowledges the Traditional Custodians of the lands throughout Australia where we live and work today. We celebrate the diversity of Aboriginal peoples and their ongoing cultures and connections to land, sea and community. We pay our respects to the Elders both past and present and extend that respect to all Aboriginal and Torres Strait Islander peoples today.

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