3results about How to "Expand the input range" patented technology

The embodiment of the present application provides a wide voltage range voltage comparison circuit and a wide voltage range voltage processing circuit, the wide voltage range voltage comparison circuit comprises: an input voltage resistance module, which is used for receiving a first voltage and a second voltage, and converting the first voltage and the second voltage into a third voltage and a fourth voltage; a clamping voltage resistance module, which is used for receiving the third voltage and the fourth voltage, and obtaining voltage resistance protection through clamping when the accepted voltage is a high voltage domain, and outputting a first current and a second current; a first mirroring module, which is used for performing mirroring processing on the first current to obtain a third current; a second mirroring module, which is used for performing mirroring processing on the second current to obtain a fourth current; and an inverse output module, which is used for outputting a high or low potential according to the size of the third current and the fourth current. The first mirroring module, the second mirroring module and the input voltage resistance module improve the voltage output range and can amplify the current, and thus the wide range voltage signal comparison is realized.

The invention discloses a wide common-mode input circuit exceeding a power rail, and the circuit comprises a resistor network, the input port of which is connected with a positive input detection end INP and a negative input detection end INN; an input port of the pressure drop pipeline and the resistance network are coupled at nodes P3 and P4; two drain electrodes of the pair transistors MON14 and MON15 are respectively coupled with the pressure drop pipeline at nodes P5 and P6; the current mirror is connected with the source electrode of the MON 14 and the source electrode of the MON 15; the output end of the charge pump serves as a reference level of the negative power supply and is connected with the common source end of the current mirror; the oscillator is coupled between the node P3 and the node P5, the floating voltage VDD1 of the node P3 supplies power to the oscillator, and the node P5 is a first grounding end GND1 and is connected with the oscillator; and the current detection amplifier OPA is coupled between the node P4 and the node P6, the floating voltage VDD2 of the node P4 supplies power to the current detection amplifier OPA, and the node P6 is a second grounding end GND2 and is connected with the current detection amplifier OPA. The common-mode input range is not limited by the power supply voltage, and the circuit is widely suitable for large PWM driving signals.

The invention provides a self-biased MIPI high-speed receiver with positive feedback, which comprises a first transistor, a second transistor, a third transistor, a fourth transistor, a fifth transistor, a sixth transistor, a seventh transistor, an eighth transistor, a ninth transistor and a tenth transistor of the self-biased MIPI high-speed receiver with positive feedback, the fourth transistor and the fifth transistor form positive feedback through mutual coupling. The self-biased MIPI high-speed receiver with the positive feedback is based on a mutually coupled positive feedback structure, so that the gain of the receiver is effectively increased, and the data transmission rate is improved.