Table 2 Estimated RF board power consumption at 30 dBm conducted RF output power per channel
From: Design and measurement of a 5G mmW mobile backhaul transceiver at 28 GHz
Supply voltage (V) | Current consumption (A) | Power consumption (W) | PAE (per PA) | |
|---|---|---|---|---|
Preamp 1 | 20 | 0.28 | 5.6 | |
Preamp 2 | 20 | 0.56 | 11.2 | 9% |
8 PA array | 20 | 6.4 | 128 | 12% |
8 LNA array, Switches, LO gen, Control logic | ||||
Mixer, RSSI, Attenuator | 6 | 1.33 | 7.98 | |
Switches, PA biasing, Attenuator | − 15 | 0.15 | 2.25 | |
Total power consumption | 155 | |||