Controlling switching mode power supply of power amplifier
First Claim
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1. A radio frequency transceiver, comprising;
- a receiver configured to receive transmission at a first radio frequency;
a transmitter configured to transmit at a second radio frequency;
a power amplifier in the transmitter with a switching mode power supply; and
a controller configured to vary switching frequency of the switching mode power supply on the basis of a frequency separation of the first and the second radio frequencies.
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Abstract
A radio frequency transceiver is provided. The transceiver comprises a receiver for receiving transmission at a first radio frequency and a transmitter for transmitting at a second radio frequency, and in the transmitter a power amplifier with a switching mode power supply. The transceiver further comprises a controller configured to vary switching frequency of the switching mode power supply on the basis of a frequency separation of the first and the second radio frequencies.
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Citations
24 Claims
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1. A radio frequency transceiver, comprising;
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a receiver configured to receive transmission at a first radio frequency; a transmitter configured to transmit at a second radio frequency; a power amplifier in the transmitter with a switching mode power supply; and a controller configured to vary switching frequency of the switching mode power supply on the basis of a frequency separation of the first and the second radio frequencies. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method for controlling a switching mode power supply, comprising:
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receiving, in a receiver, a transmission at a first radio frequency; and transmitting, with a transmitter, at a second radio frequency, wherein a switching frequency of the switching mode power supply is varied on the basis of a frequency separation of the first and the second radio frequencies. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19)
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20. A radio frequency transceiver, comprising:
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receiving means for receiving transmission at a first radio frequency; and transmitting means for transmitting at a second radio frequency; power amplifying means, in the transmitting means, with a switching mode power supply; and controlling means for varying switching frequency of the switching mode power supply on the basis of a frequency separation of the first and the second radio frequencies.
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21. A radio frequency transmitter of a transceiver, comprising:
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a receiver configured to receive transmissions at a first radio frequency, the transmitter being configured to transmit at a second radio frequency; a power amplifier with a switching mode power supply; and a controller configured to vary switching frequency of the switching mode power supply on the basis of a frequency separation of the first and the second radio frequencies.
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22. A switching mode power supply in a radio frequency transmitter of a transceiver, comprising:
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a receiver configured to receive a transmission at a first radio frequency; and a transmitter configured to transmit at a second radio frequency;
wherein a switching frequency of the switching mode power supply is adjustable on the basis of a frequency separation of the first and the second radio frequencies.
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- 23. A computer program embodied on a computer readable medium, that when executed by a processor, is configured to control a switching mode power supply of a power amplifier of a transmitter in a radio frequency transceiver comprising a receiver for receiving transmission at a first radio frequency and a transmitter for transmitting at a second radio frequency, the process comprising varying switching frequency of the switching mode power supply on the basis of a frequency separation of the first and the second radio frequencies.
Specification