Area efficient concurrent matching transceiver
AssigneeQUALCOMM Incorporated
InventorsNgar Loong A Chan, Jonghoon Choi, Bindu Gupta
Life of this patent
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Abstract
An integrated circuit for transmit and receive matching is described. The integrated circuit includes a transmit amplifier. The transmit amplifier includes a first transistor, a second transistor and a first inductor. The first inductor couples the first transistor to the second transistor. The integrated circuit also includes a low noise amplifier. The low noise amplifier includes a third transistor, a fourth transistor, the first inductor, a second inductor, a third inductor and a transformer. The second inductor couples the first inductor to the third transistor. The third inductor couples the third transistor to ground.
Claims37
An integrated circuit for transmit and receive matching, the integrated circuit comprising:
- a transmit amplifier comprising:
- a first transistor;
- a second transistor;
- and
- a first inductor, wherein the first inductor couples the first transistor to the second transistor;
- a low noise amplifier comprising:
- a third transistor;
- a fourth transistor;
- the first inductor;
- a second inductor, wherein the second inductor couples the first inductor to the third transistor;
- a third inductor, wherein the third inductor couples the third transistor to ground;
- and
- a transformer.
A method for switching between transmit mode and receive mode on an integrated circuit, the method comprising:
- switching to operating in transmit mode;
- turning on transmit amplifier devices, wherein the transmit amplifier devices comprise:
- a first transistor;
- and
- a second transistor, wherein a first inductor couples the first transistor to the second transistor;
- turning off low noise amplifier devices, wherein the low noise amplifier devices comprise:
- a third transistor, wherein a second inductor couples the first inductor to the third transistor, and wherein a third inductor couples the third transistor to ground;
- and
- a fourth transistor, wherein a transformer couples the fourth transistor to a mixer;
- sending transmit signals to a diplexer;
- switching to operating in receive mode;
- turning on the low noise amplifier devices,
- turning off the transmit amplifier devices;
- and
- receiving signals from the diplexer.
An apparatus for switching between transmit mode and receive mode, comprising:
- means for switching to operating in transmit mode;
- means for turning on transmit amplifier devices, wherein the transmit amplifier devices comprise:
- a first transistor;
- and
- a second transistor, wherein a first inductor couples the first transistor to the second transistor;
- means for turning off low noise amplifier devices, wherein the low noise amplifier devices comprise:
- a third transistor, wherein a second inductor couples the first inductor to the third transistor, and wherein a third inductor couples the third transistor to ground;
- and
- a fourth transistor, wherein a transformer couples the fourth transistor to a mixer;
- means for sending transmit signals to a diplexer;
- means for switching to operating in receive mode;
- means for turning on the low noise amplifier devices,
- means for turning off the transmit amplifier devices;
- and
- means for receiving signals from the diplexer.
A computer-program product for a wireless device configured for switching between transmit mode and receive mode, the computer-program product comprising a non-transitory computer-readable medium having instructions thereon, the instructions comprising:
- code for causing a wireless device to switch to operating in transmit mode;
- code for causing the wireless device to turn on transmit amplifier devices, wherein the transmit amplifier devices comprise:
- a first transistor;
- and
- a second transistor, wherein a first inductor couples the first transistor to the second transistor;
- code for causing the wireless device to turn off low noise amplifier devices, wherein the low noise amplifier devices comprise:
- a third transistor, wherein a second inductor couples the first inductor to the third transistor, and wherein a third inductor couples the third transistor to ground;
- and
- a fourth transistor, wherein a transformer couples the fourth transistor to a mixer;
- code for causing the wireless device to send transmit signals to a diplexer;
- code for causing the wireless device to switch to operating in receive mode;
- code for causing the wireless device to turn on the low noise amplifier devices,
- code for causing the wireless device to turn off the transmit amplifier devices;
- and
- code for causing the wireless device to receive signals from the diplexer.
Dependencies are inferred from the claim text.