Multi-channel transceiver
AssigneeElectronics and Telecommunications Research Institute
InventorDongwoo Kang
Life of this patent
Estimating the term…
Abstract
Disclosed is a transceiver including a transmitter, a receiver, and a local signal transfer unit, the transmitter includes a first mixer that receives a transmission frequency signal including transmission data and a first local oscillation signal to output a transmission conversion signal, and the local signal transfer unit includes a local signal oscillator that generates a reference oscillation signal, a power divider that divides the reference oscillation signal to generate distribution signals, a first balun that receives a first distribution signal of the distribution signals to generate a first signal, and a first multiplier that receives the first signal from the first balun to output the first local oscillation signal by converting a frequency of the first signal.
Claims19
A transceiver comprising a transmitter, a receiver, and a local signal transfer unit, and wherein the transmitter includes:
- a first mixer configured to receive a transmission frequency signal including transmission data and a first local oscillation signal to output a transmission conversion signal, and
- wherein the local signal transfer unit includes:
- a local signal oscillator configured to generate a reference oscillation signal;
- a power divider configured to divide the reference oscillation signal to generate distribution signals;
- a first balun configured to receive a first distribution signal of the distribution signals to generate a first signal;
- and
- a first multiplier configured to receive the first signal from the first balun to output the first local oscillation signal by converting a frequency of the first signal;
- wherein the local signal transfer unit further includes a third multiplier,
- the third multiplier is configured to receive the reference oscillation signal to output a reference conversion signal, and
- the power divider is configured to receive the reference conversion signal to generate the distribution signals,
- wherein the first balun includes a reception strip and a first transmission strip,
- wherein the reception strip is configured to receive the first distribution signal and the first transmission strip is configured to generate the first signal, and
- wherein the first transmission strip has a length corresponding to one quarter of a wavelength of the first distribution signal.
A method of providing a local oscillation signal to a mixer, the method comprising:
- generating a reference oscillation signal from a local signal oscillator;
- generating distribution signals from a power divider by receiving the reference oscillation signal;
- generating a differential signal from a balun by receiving a first distribution signal among the distribution signals;
- and
- receiving the differential signal, outputting the local oscillation signal from a first multiplier, and providing the local oscillation signal to the mixer,
- wherein the receiving the reference oscillation signal includes receiving the reference oscillation signal by a second multiplier, outputting a reference conversion signal from the second multiplier, and generating the distribution signals from the reference conversion signal,
- wherein the balun includes a reception strip and a first transmission strip,
- wherein the reception strip is configured to receive the first distribution signal and the first transmission strip is configured to generate the differential signal, and
- wherein the first transmission strip has a length corresponding to one quarter of a wavelength of the first distribution signal.
Dependencies are inferred from the claim text.