Burst trans-impedance amplifier with reset signal

Burst trans-impedance amplifier with reset signal

The invention provides a burst trans-impedance amplifier with a reset signal. An input photocurrent signal is input from a junction of an input end of a forward amplifier-A and a feedback resistor RF.An NMOS tube NO is connected with the feedback resistor RF in parallel; an output signal of the forw...

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Hauptverfasser: KE TENGLONG, LIN SHAOHENG
Format: Patent
Sprache:chi ; eng
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AMPLIFIERS
BASIC ELECTRONIC CIRCUITRY
ELECTRICITY
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creator KE TENGLONG
LIN SHAOHENG
description The invention provides a burst trans-impedance amplifier with a reset signal. An input photocurrent signal is input from a junction of an input end of a forward amplifier-A and a feedback resistor RF.An NMOS tube NO is connected with the feedback resistor RF in parallel; an output signal of the forward amplifier-A is divided into two paths, and one path is directly input into the inverting inputend of the differential voltage amplifier Diff Amp; the other path passes through resistors RS and RL in series and then is input to a differential voltage amplifier Diff Amp and an inverting input end of an operational amplifier OP; after being amplified by the differential voltage amplifier, the signal is converted into a differential signal OUTP/OUTN, and the differential signal OUTP/OUTN is output to the outside of the chip; and a switch S is connected with the resistor RL in parallel and is controlled by the reset signal RESET. In the lead code stage, the switch s is switched on, and in the data section, the switc
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An input photocurrent signal is input from a junction of an input end of a forward amplifier-A and a feedback resistor RF.An NMOS tube NO is connected with the feedback resistor RF in parallel; an output signal of the forward amplifier-A is divided into two paths, and one path is directly input into the inverting inputend of the differential voltage amplifier Diff Amp; the other path passes through resistors RS and RL in series and then is input to a differential voltage amplifier Diff Amp and an inverting input end of an operational amplifier OP; after being amplified by the differential voltage amplifier, the signal is converted into a differential signal OUTP/OUTN, and the differential signal OUTP/OUTN is output to the outside of the chip; and a switch S is connected with the resistor RL in parallel and is controlled by the reset signal RESET. 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An input photocurrent signal is input from a junction of an input end of a forward amplifier-A and a feedback resistor RF.An NMOS tube NO is connected with the feedback resistor RF in parallel; an output signal of the forward amplifier-A is divided into two paths, and one path is directly input into the inverting inputend of the differential voltage amplifier Diff Amp; the other path passes through resistors RS and RL in series and then is input to a differential voltage amplifier Diff Amp and an inverting input end of an operational amplifier OP; after being amplified by the differential voltage amplifier, the signal is converted into a differential signal OUTP/OUTN, and the differential signal OUTP/OUTN is output to the outside of the chip; and a switch S is connected with the resistor RL in parallel and is controlled by the reset signal RESET. In the lead code stage, the switch s is switched on, and in the data section, the switc</abstract><oa>free_for_read</oa></addata></record>
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BASIC ELECTRONIC CIRCUITRY
ELECTRICITY
title Burst trans-impedance amplifier with reset signal
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