RF switch
First Claim
1. A RF (Radio Frequency) switch comprising:
- a common port coupled to an antenna to transmit and receive first and second high frequency signals;
a transmitting switching unit coupled between a transmitting port transferring the first high frequency signal and the common port and including a plurality of switching devices coupled to each other in series; and
a receiving switching unit coupled between a receiving port transferring the second high frequency signal and the common port and including a first switching unit including a first switching device, whereinthe first switching unit further includes a second switching device having a first terminal coupled to a first terminal of the first switching device and a second terminal coupled to a control terminal of the first switching device.
1 Assignment
0 Petitions
Accused Products
Abstract
A RF switch may include: a common port coupled to an antenna to transmit and receive first and second high frequency signals; a transmitting switching unit coupled between a transmitting port transferring the first high frequency signal and the common port and including a plurality of switching devices coupled to each other in series; and a receiving switching unit coupled between a receiving port transferring the second high frequency signal and the common port and including a first switching unit including a first switching device. The first switching unit may further include a second switching device having a first terminal coupled to a first terminal of the first switching device and a second terminal coupled to a control terminal of the first switching device.
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Citations
17 Claims
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1. A RF (Radio Frequency) switch comprising:
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a common port coupled to an antenna to transmit and receive first and second high frequency signals; a transmitting switching unit coupled between a transmitting port transferring the first high frequency signal and the common port and including a plurality of switching devices coupled to each other in series; and a receiving switching unit coupled between a receiving port transferring the second high frequency signal and the common port and including a first switching unit including a first switching device, wherein the first switching unit further includes a second switching device having a first terminal coupled to a first terminal of the first switching device and a second terminal coupled to a control terminal of the first switching device. - View Dependent Claims (2, 3, 4, 5)
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6. An RF (Radio Frequency) switch comprising:
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a common port couple to an antenna to transmit and receive a first high frequency signal and a second high frequency signal; a transmitting switching unit coupled between a transmitting port transferring the first high frequency signal and the common port and including a plurality of switching devices couple to each other in series; a receiving switching unit coupled between a receiving port transferring the second high frequency signal and the common port and including a first switching unit including a first switching device; and a shunt switching unit coupled between the transmitting port and the transmitting switching unit and including a second switching unit including a third switching device, wherein the first switching unit further includes a second switching device having a first terminal coupled to a first terminal of the first switching device and a second terminal coupled to a control terminal of the first switching device, and the second switching unit further includes a fourth switching device having a first terminal coupled to a first terminal of the third switching device and a second terminal coupled to a control terminal of the third switching device. - View Dependent Claims (7)
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8. A RF switch comprising:
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a common port coupled to an antenna to transmit and receive first and second high frequency signals; a transmitting switching unit coupled between a transmitting port transferring the first high frequency signal and the common port and including a plurality of switching devices coupled to each other in series; and a receiving switching unit coupled between a receiving port transferring the second high frequency signal and the common port and including a plurality of switching circuit units coupled to each other in series, wherein each of the plurality of switching circuit units includes first and second switching devices, the second switching device having a first connection point at which a control terminal and a second terminal thereof are coupled to each other, and the first switching device having a control terminal coupled to the first connection point. - View Dependent Claims (9, 10, 11)
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12. An RF switch comprising:
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a common port coupled to an antenna to transmit and receive a first high frequency signal and a second high frequency signal; a transmitting switching unit coupled between a transmitting port transferring the first high frequency signal and the common port and including a plurality of switching devices coupled to each other in series; a receiving switching unit coupled between a receiving port transferring the second high frequency signal and the common port and including a plurality of switching circuit units coupled to each other in series; and a shunt switching unit coupled between the transmitting port and the transmitting switching unit and including a plurality of switching circuit units coupled to each other in series, wherein each of the plurality of switching circuit units includes first and second switching devices, the second switching device having a first connection point at which a control terminal and a second terminal thereof are coupled to each other, and the first switching device having a control terminal coupled to the first connection point, and each of the plurality of switching circuit units of the shunt switching unit includes third and fourth switching devices, the third switching device having a second connection point at which a control terminal and a second terminal thereof are coupled to each other, and the fourth switching device having a control terminal coupled to the second connection point. - View Dependent Claims (13)
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14. A RF switch comprising:
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a common port coupled to an antenna to transmit and receive first and second high frequency signals; a transmitting switching unit coupled between a transmitting port transferring the first high frequency signal and the common port and including a plurality of switching devices coupled to each other in series; a receiving switching unit coupled between a receiving port transferring the second high frequency signal and the common port and including a first switching unit including a first switching device; and a shunt switching unit coupled between the transmitting port and the transmitting switching unit and including a second switching unit including a third switching device, wherein the first switching unit further includes a second switching device having a first terminal coupled to a first terminal of the first switching device and a second terminal coupled to a control terminal of the first switching device.
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15. An RF switch comprising:
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a common port coupled to an antenna to transmit an receive a first high frequency signal and a second high frequency signal; a transmitting switching unit coupled between a transmitting port transferring the first high frequency signal and the common port and including a plurality of switching devices coupled to each other in series; a receiving switching unit coupled between a receiving port transferring the second high frequency signal and the common port and including a plurality of switching circuit units coupled to each other in series; and a shunt switching unit coupled between the transmitting port and the transmitting switching unit and including a plurality of switching circuit units coupled to each other in series, wherein each of the plurality of switching circuit units includes first and second switching devices, the second switching device having a first connection point at which a control terminal and a second terminal thereof are coupled to each other, and the first switching device having a control terminal coupled to the first connection point.
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16. An RF (Radio Frequency) switch comprising:
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a common port coupled to an antenna to transmit an receive a first high frequency signal and a second high frequency signal; a transmitting switching unit coupled between a transmitting port transferring the first high frequency signal and the common port and including a plurality of switching devices coupled to each other in series; a receiving switching unit coupled between a receiving port transferring the second high frequency signal and the common port and including a first switching unit including a first switching device; and a shunt switching unit coupled between the transmitting port and the transmitting switching unit and including a second switching unit including a third switching device, wherein the first switching unit further includes a second switching device having a first terminal coupled to a first terminal of the first switching device and a second terminal coupled to a control terminal of the first switching device, the first switching unit further includes a first capacitor coupled between the control terminal of the first switching device and the second switching device.
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17. An RF switch comprising:
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a common port coupled to an antenna to transmit and receive a first high frequency signal and a second high frequency signal; a transmitting switching unit coupled between a transmitting port transferring the first high frequency signal and the common ort and including a plurality of switching devices coupled to each other in series; a receiving switching unit coupled between a receiving port transferring the second high frequency signal and the common port and including a plurality of switching circuit units coupled to each other in series; and a shunt switching unit coupled between the transmitting port and the transmitting switching unit and including a plurality of switching circuit units coupled to each other in series, wherein each of the plurality of switching circuit units includes first and second switching devices, the second switching device having a first connection point at which a control terminal and a second terminal thereof are coupled to each other, and the first switching device having a control terminal coupled to the first connection point, each of the plurality of switching circuit units further includes a capacitor coupled between the control terminal of the first switching device and the first connection point.
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Specification