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Phase shifter with broadband and phase array module using the same

  • US 10,566,952 B1
  • Filed: 12/27/2018
  • Issued: 02/18/2020
  • Est. Priority Date: 12/27/2018
  • Status: Active Grant
First Claim
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1. A phase shifter, comprising at least one phase shifting unit, wherein the phase shifting unit includes:

  • a first switch, having a first end, a second end, a third end and a fourth end;

    a first capacitor;

    a second capacitor;

    a first inductor, wherein the first capacitor is connected between the first inductor and the second end of the first switch, the second capacitor is connected between the first inductor and the third end of the first switch;

    a second switch, having a first end, a second end, a third end and a fourth end, wherein the second end of the second switch is connected to a ground end;

    a second inductor, wherein two ends of the second inductor are respectively connected to the ground end and the third end of the second switch, and the first inductor is connected between the first capacitor and the third end of the second switch;

    a first resistor, connected between the first end of the first switch and a first control voltage;

    a second resistor, connected between the first end of the second switch and a second control voltage, wherein the first control voltage is a reverse voltage of the second control voltage;

    a third resistor, connected to the fourth end of the first switch; and

    a fourth resistor, connected to the fourth end of the second switch.

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