Radiofrequency rectifying circuit of double-frequency double-branch structure
A rectifier circuit and dual-branch technology, applied in the field of radio frequency rectifier circuits, can solve problems such as high load voltage and low input power, and achieve the effects of increasing output voltage, suppressing fundamental frequency, and improving integration.
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[0035] Example 1
[0036] The principle of the radio frequency rectifier circuit with dual-frequency dual-branch structure is as follows figure 1 As shown, a microstrip line with a characteristic impedance of 50 ohms is used as the signal input terminal, and is divided into a high-frequency branch and a low-frequency branch of 100 ohms. Both branches include a short-circuit branch matching network, a two-stage cascaded voltage doubler rectifier branch and a harmonic suppression branch. Since the matching network of the two branches works in two different frequency bands, after the radio frequency energy passes through the input terminal, the high-frequency energy mainly enters the high-frequency branch, and the low-frequency energy mainly enters the low-frequency branch. After two-stage cascaded voltage doubler rectification, harmonic suppression is required to filter out high-order harmonic components in the output voltage. The two-stage cascaded voltage doubling rectification ...
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