F1/2 AUTOMATIC GAIN CONTROL AMPLIFIER

F1/2 AUTOMATIC GAIN CONTROL AMPLIFIER

PURPOSE:To obtain an AGC amplifier with a large equivalent width by adding the output of a first amplifier to have a prescribed gain in a prescribed frequency range and the output of a second amplifier to be connected to a time constant circuit and to have a characteristic in which the gain is shiel...

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1. Verfasser: IFUKURO SADAO
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRONIC CIRCUITRY
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS
RESONATORS
TRANSMISSION
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creator IFUKURO SADAO
description PURPOSE:To obtain an AGC amplifier with a large equivalent width by adding the output of a first amplifier to have a prescribed gain in a prescribed frequency range and the output of a second amplifier to be connected to a time constant circuit and to have a characteristic in which the gain is shielded at a prescribed frequency or below. CONSTITUTION:One side, into which an input signal is branched, is inputted to a first amplifier 10 to have the prescribed gain in the prescribed frequency range. The other side, into which the input signal is branched, is inputted to a time constant circuit 40 to give a prescribed time constant and, thereafter, signal-supplied to a second amplifier 20 to have the characteristic in which the gain of a following stage is shielded at the prescribed frequency or below. The outputs of the first amplifier 10 and second amplifier 20 are added by an adder 30. By such a constitution, the AGC amplifier can be obtained which is suitable for executing an LSI and in which the equivalent width is large.
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CONSTITUTION:One side, into which an input signal is branched, is inputted to a first amplifier 10 to have the prescribed gain in the prescribed frequency range. The other side, into which the input signal is branched, is inputted to a time constant circuit 40 to give a prescribed time constant and, thereafter, signal-supplied to a second amplifier 20 to have the characteristic in which the gain of a following stage is shielded at the prescribed frequency or below. The outputs of the first amplifier 10 and second amplifier 20 are added by an adder 30. 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CONSTITUTION:One side, into which an input signal is branched, is inputted to a first amplifier 10 to have the prescribed gain in the prescribed frequency range. The other side, into which the input signal is branched, is inputted to a time constant circuit 40 to give a prescribed time constant and, thereafter, signal-supplied to a second amplifier 20 to have the characteristic in which the gain of a following stage is shielded at the prescribed frequency or below. The outputs of the first amplifier 10 and second amplifier 20 are added by an adder 30. 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CONSTITUTION:One side, into which an input signal is branched, is inputted to a first amplifier 10 to have the prescribed gain in the prescribed frequency range. The other side, into which the input signal is branched, is inputted to a time constant circuit 40 to give a prescribed time constant and, thereafter, signal-supplied to a second amplifier 20 to have the characteristic in which the gain of a following stage is shielded at the prescribed frequency or below. The outputs of the first amplifier 10 and second amplifier 20 are added by an adder 30. By such a constitution, the AGC amplifier can be obtained which is suitable for executing an LSI and in which the equivalent width is large.</abstract><oa>free_for_read</oa></addata></record>
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subjects BASIC ELECTRONIC CIRCUITRY
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS
RESONATORS
TRANSMISSION
title F1/2 AUTOMATIC GAIN CONTROL AMPLIFIER
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