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LOAD CIRCUIT OF AMPLIFIER AND DRIVER CIRCUIT FOR SUPPORTING MULTIPLE INTERFACE STANDARDS
LOAD CIRCUIT OF AMPLIFIER AND DRIVER CIRCUIT FOR SUPPORTING MULTIPLE INTERFACE STANDARDS
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机译:支持多个接口标准的放大器和驱动器电路的负载电路
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摘要
A load circuit includes a first resistive element, a first transistor and a tristate control circuit. The first transistor has a first control terminal, a first connection terminal and a second connection terminal. The first connection terminal is coupled to to one of a first amplifier output terminal and a connection node through the first resistive element. The second connection terminal is coupled to the other of the first amplifier output terminal and the connection node. The tristate control circuit has a signal output terminal coupled to the first control terminal. When the signal output terminal is in the low impedance state, the first control terminal is arranged to receive a first control signal outputted from the signal output terminal. When the signal output terminal is in the high impedance state, the first control terminal is arranged to receive a second control signal different from the first control signal.
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