ADJUSTABLE DUPLEXER SYSTEM
First Claim
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1. A duplexing system for an electronic device, comprising:
- a duplexer connected with an antenna;
a balancing network connected with the duplexer and having an adjustable network impedance, the balancing network including an active component; and
where the balancing network is configured to adjust the network impedance to match an antenna impedance of the antenna.
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Abstract
A duplexing system may be used with an electronic device. The duplexing system may include a duplexer connected with an antenna. The duplexing system may include a balancing network. The balancing network may be connected with the duplexer, have an adjustable network impedance, and include an active component. The balancing network may be configured to adjust the network impedance to match an antenna impedance of the antenna.
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Citations
20 Claims
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1. A duplexing system for an electronic device, comprising:
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a duplexer connected with an antenna; a balancing network connected with the duplexer and having an adjustable network impedance, the balancing network including an active component; and where the balancing network is configured to adjust the network impedance to match an antenna impedance of the antenna. - View Dependent Claims (2, 3, 4, 5, 6)
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7. An electronic device, comprising:
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a duplexer including a first port, a second port, a third port, and a fourth port; an antenna having an antenna impedance, the antenna connected to the first port; a power amplifier configured to amplify a transmission signal to be transmitted by the antenna, the power amplifier connected to the second port; a low noise amplifier configured to amplify a reception signal received by the antenna, the low noise amplifier connected to the third port; a balancing network having a balancing network impedance, the balancing network connected to the fourth port, the balancing networking including an active component; where the balancing network adjusts the balancing network impedance to match the antenna impedance to isolate the power amplifier and the low noise amplifier. - View Dependent Claims (8, 9, 10, 11, 12, 13, 14)
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15. A method of isolating a power amplifier, the method comprising:
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monitoring an antenna impedance; and adjusting a balancing network impedance based on the antenna impedance to provide a zero voltage difference at a point where a power amplifier is connected to a duplexer, including adjusting an active component impedance of an active component in a balancing network. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification