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. 2018 Nov 30;18(12):4210. doi: 10.3390/s18124210

Table 1.

Measured DC bias voltages of the transmit amplifier with and without dual-bias high-voltage circuit.

Time Transmit Amplifier Transmit Amplifier Integrated with Dual-Bias High-Voltage Circuit
Calculated Measured Calculated Measured
1 min 4.9 V 4.0 V 4.99 V 4.0 V
1 h 4.9 V 3.95 V 4.99 V 3.97 V
2 h 4.9 V 3.28 V 4.99 V 3.95 V
3 h 4.9 V 2.75 V 4.99 V 3.92 V