Multistage amplifier with low power consumption and onboard signal receiver comprising such an amplifier

Multistage amplifier with low power consumption and onboard signal receiver comprising such an amplifier

The amplifier includes two cascaded transistors (1,2) which provide two amplification stages. Static voltage inputs to the transistor bases are supplied by a resistive network (10-13) between the supply voltage (Vcc) and ground (Gnd). The dynamic drive points of the transistors are determined by two...

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1. Verfasser: RYDEL, CHARLES
Format: Patent
Sprache:eng ; fre ; ger
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AMPLIFIERS
BASIC ELECTRONIC CIRCUITRY
CONTROL OF AMPLIFICATION
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS
RESONATORS
TRANSMISSION
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creator RYDEL, CHARLES
description The amplifier includes two cascaded transistors (1,2) which provide two amplification stages. Static voltage inputs to the transistor bases are supplied by a resistive network (10-13) between the supply voltage (Vcc) and ground (Gnd). The dynamic drive points of the transistors are determined by two capacitors (9,6) which are connected to ground. A gain control device consists of a transistor which is connected between the amplifier output current and the current limit of the first stage transistor emitter. The base is connected to the output of the control circuit. The gain of each amplifier is proportional to the current flow and the overall gain is proportional to the square of the current value.
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Static voltage inputs to the transistor bases are supplied by a resistive network (10-13) between the supply voltage (Vcc) and ground (Gnd). The dynamic drive points of the transistors are determined by two capacitors (9,6) which are connected to ground. A gain control device consists of a transistor which is connected between the amplifier output current and the current limit of the first stage transistor emitter. The base is connected to the output of the control circuit. The gain of each amplifier is proportional to the current flow and the overall gain is proportional to the square of the current value.</description><edition>6</edition><language>eng ; fre ; ger</language><subject>AMPLIFIERS ; BASIC ELECTRONIC CIRCUITRY ; CONTROL OF AMPLIFICATION ; ELECTRIC COMMUNICATION TECHNIQUE ; ELECTRICITY ; IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS ; RESONATORS ; TRANSMISSION</subject><creationdate>1998</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=19980729&amp;DB=EPODOC&amp;CC=EP&amp;NR=0674382B1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,778,883,25547,76298</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=19980729&amp;DB=EPODOC&amp;CC=EP&amp;NR=0674382B1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>RYDEL, CHARLES</creatorcontrib><title>Multistage amplifier with low power consumption and onboard signal receiver comprising such an amplifier</title><description>The amplifier includes two cascaded transistors (1,2) which provide two amplification stages. 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language eng ; fre ; ger
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subjects AMPLIFIERS
BASIC ELECTRONIC CIRCUITRY
CONTROL OF AMPLIFICATION
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS
RESONATORS
TRANSMISSION
title Multistage amplifier with low power consumption and onboard signal receiver comprising such an amplifier
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