Multi-mode configurable transceiver with low voltage switches
First Claim
1. A configurable radio frequency (RF) transceiver comprising:
- a radio frequency (RF) receive path having a first switch and configured to receive a RF input signal when the first switch is in an open position;
a first RF transmit path having a second switch and configured to provide a first output signal when the second switch is in a closed position and the first switch is in a closed position; and
a second RF transmit path having a third switch and configured to provide a second output signal when the third switch is in a closed position, the first switch is in the closed position, and the second switch is in an open position, the second RF transmit path comprising a balun having a primary winding and a secondary winding having a first end coupled to the first RF transmit path through a capacitor and a second end coupled to a ground potential through the third switch,wherein the first switch, the second switch, and the third switch are integrated together with the RF receive path, the first RF transmit path, and the second RF transmit path within a same integrated circuit.
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Accused Products
Abstract
A wireless transceiver includes a receive path having a first switch and configured to receive an input signal when the first switch is in an open position, a first transmit path having a second switch and configured to provide a first output signal when the second switch is in a closed position and the first switch is in a closed position, and a second transmit path having a third switch and configured to provide a second output signal when the third switch is in a closed position, the first switch is in the closed position, and the second switch is in an open position. The first, second, and third switches are integrated together with the receive path, the first RF transmit path, and the second transmit path within a same integrated circuit.
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Citations
20 Claims
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1. A configurable radio frequency (RF) transceiver comprising:
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a radio frequency (RF) receive path having a first switch and configured to receive a RF input signal when the first switch is in an open position; a first RF transmit path having a second switch and configured to provide a first output signal when the second switch is in a closed position and the first switch is in a closed position; and a second RF transmit path having a third switch and configured to provide a second output signal when the third switch is in a closed position, the first switch is in the closed position, and the second switch is in an open position, the second RF transmit path comprising a balun having a primary winding and a secondary winding having a first end coupled to the first RF transmit path through a capacitor and a second end coupled to a ground potential through the third switch, wherein the first switch, the second switch, and the third switch are integrated together with the RF receive path, the first RF transmit path, and the second RF transmit path within a same integrated circuit. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A wireless transceiver comprising:
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a receive path having a first switch and configured to receive an input signal when the first switch is in an open position; a first transmit path having a second switch and configured to provide a first output signal when the second switch is in a closed position and the first switch is in a closed position; a second transmit path having a third switch and configured to provide a second output signal when the third switch is in a closed position, the first switch is in the closed position, and the second switch is in an open position; and a balun comprising a primary winding coupled to the second transmit path and a secondary winding having a first end coupled to the first transmit path through a capacitor and a second end coupled to a ground potential through the third switch. - View Dependent Claims (12, 13, 14, 15)
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16. A method of configuring a wireless transceiver comprising a receive path having a first switch, a first transmit path having a second switch, and a second transmit path having a third switch, the method comprising:
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providing a balun to the second transmit path, the balun comprising a primary winding and a second winding having a first end coupled to the first transmit path through a capacitor and a second end coupled to a ground potential through the third switch; selecting the receive path by setting the first switch in an open position, the second switch in the open position, and the third switch in the open position; selecting the first transmit path by setting the first switch in a closed position, the second switch in the closed position, and the third switch in the open position; and selecting the second transmit path by setting the first switch in a closed position, the second switch in the open position, and the third switch in the closed position. - View Dependent Claims (17, 18, 19, 20)
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Specification