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US 6,664,835 B1Granted
Phase splitter
AssigneeFaraday Technology Corp.
InventorYung-Hung Chen
Life of this patent
Estimating the term…
Abstract
A phase splitter. The splitter includes a transistor having a gate receiving an input signal, a drain and source outputting a first and second output signal with a first and second phase, respectively, a current source providing a current flowing from the drain to the source of the transistor, and a feedback tuning circuit receiving the first and second output signal, and tuning the current according to the first and second phase.
Claims11
A phase splitter comprising:
- a transistor having a gate receiving an input signal, a drain and source outputting a first and second output signal with a first and second phase, respectively;
- a current source providing a current flowing from the drain to the source of the transistor;
- and
- a feedback tuning circuit receiving the first and second output signal, and tuning the current according to the first and second phase.
1 more element
A phase splitter comprising:
- a first transistor of a first type having a gate receiving an input signal, a drain and source outputting a first and second output signal with a first and second phase, respectively;
- a second transistor of the first type having a drain coupled to the source of the first transistor and a source receiving a first voltage;
- a third transistor of the first type having a drain and gate commonly coupled to a gate of the second transistor, and a source receiving the first voltage;
- a fourth transistor of a second type having a drain and gate coupled together, and a source receiving a second voltage;
- a fifth transistor of the second type having a gate coupled to the gate of the fourth transistor, a source receiving the second voltage and a drain coupled to the drain of the first transistor;
- a resistor coupled between the drains of the third and fourth transistor;
- a capacitor having two ends respectively coupled to the gate of the second transistor and receiving the first voltage;
- and
- a feedback tuning circuit receiving the first and second output signal, and generating a third voltage to the gate of the second transistor corresponding to the first and second phase.
6 more elements
A phase splitter comprising:
- a first transistor of a first type having a gate receiving an input signal, a drain and source outputting a first and second output signal with a first and second phase, respectively;
- a second transistor of the first type having a drain coupled to the source of the first transistor and a source receiving a first voltage;
- a third transistor of the first type having a drain and gate commonly coupled to a gate of the second transistor, and a source receiving the first voltage;
- a fourth transistor of a second type having a drain and gate commonly coupled to the drain of the third transistor, and a source receiving a second voltage;
- a fifth transistor of the first type having a gate and drain coupled together, a source receiving the first voltage;
- a sixth transistor of the second type having a gate and drain commonly coupled to the drain of the fifth transistor, and a source receiving the second voltage;
- a seventh transistor of the second type having a source receiving the second voltage, a gate coupled to the gate of the sixth transistor and a drain coupled to the drain of the first transistor;
- a capacitor having two ends respectively coupled to the gate of the second transistor and receiving the first voltage;
- and
- a feedback tuning circuit receiving the first and second output signal, and generating a third voltage to the gate of the second transistor corresponding to the first and second phase.
7 more elements
Dependencies are inferred from the claim text.