Table 4.
Summarized performances of class-C power amplifier [20], class-D power amplifier [26], class-E power amplifier [23], and the developed class-J power amplifier.
| Parameters | Class-C | Class-D | Class-E | Our Work |
|---|---|---|---|---|
| Input voltage | 5 [VP-P] | 2.5 [VP-P] | 5 [VP-P] | 3 [VP-P] |
| Output power | 30 [dBm] | 39.54 [dBm] | 29.03 [dBm] | 41.69 [dBm] |
| Frequency | 25 [MHz] | 41 [KHz] | 1010 [KHz] | 25 [MHz] |
| PAE | – | – | – | 63.91[%] |
| Drain efficiency | – | – | 90[%] | – |
| Application | Piezoelectric transducer | Langevin transducer | MRI-compatible Piezoelectric transducer | Piezoelectric transducer |