A 33.7% Tx Efficiency Crystal-Less BLE-Compatible Transmitter With Adaptive PA Output Power Calibration For Ingestible Devices

S. Shin, J. Jung, G. Traverso and A. P. Chandrakasan, "A 33.7% Tx Efficiency Crystal-Less BLE-Compatible Transmitter with Adaptive PA Output Power Calibration for Ingestible Devices," 2025 IEEE European Solid-State Electronics Research Conference (ESSERC)(Sep 2025)