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Development of radiofrequency ablation device for surgical hepatocellular carcinoma treatment in agreement with Brazilian standards

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Table 1. Internationally produced technologies used for liver cancer treatment (Pinheiro, 2016).
Figure 1. Block diagram of Measurement setup. Block (1) represents the power supply with output voltages of 5, 12, and 24 V DC
Figure 2. In this figure, the blocks (1 = A), (2=B), (3=C), (4 = D), (5 = E), (6 = F), (7 = G), (8 = H), (9 = I), (10 = M), (11 = L) and (12 = J) represent  respectively, the oscillator, the Non-Overlapping Clock (NOC), voltage driver, frequency inverter,
Figure 3. This diagram represents the circuit responsible for the power control. The DAC converter’s output voltage is amplified and transmitted  to the RF generator and measurement of block (2), Figure 1.
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