RU2219651C2 - Charge-sensing amplifier - Google Patents

Charge-sensing amplifier Download PDF

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Publication number
RU2219651C2
RU2219651C2 RU2002103698A RU2002103698A RU2219651C2 RU 2219651 C2 RU2219651 C2 RU 2219651C2 RU 2002103698 A RU2002103698 A RU 2002103698A RU 2002103698 A RU2002103698 A RU 2002103698A RU 2219651 C2 RU2219651 C2 RU 2219651C2
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RU
Russia
Prior art keywords
output
input
stage
current
voltage
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Application number
RU2002103698A
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Russian (ru)
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RU2002103698A (en
Inventor
И.А. Дьячков
Д.Л. Ксенофонтов
Р.Н. Виноградов
С.В. Корнеев
А.А. Богдзель
Original Assignee
Государственное унитарное предприятие "Научно-производственное предприятие "Пульсар"
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Priority to RU2002103698A priority Critical patent/RU2219651C2/en
Publication of RU2002103698A publication Critical patent/RU2002103698A/en
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Publication of RU2219651C2 publication Critical patent/RU2219651C2/en

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Abstract

FIELD: electronics; amplitude spectrometry, nuclear physics, medical electronics, audio engineering, and the like. SUBSTANCE: charge-sensing amplifier that can be used as preamplifier for taking signals off ionizing radiation detectors, for time measurements, and the like has series-connected first voltage and current amplifying stage 1, buffer stage 3, level shift circuit 4, second amplifier stage 5, voltage follower 6, as well as common feedback circuit 2. Current follower 7 is inserted between current supply 9 and positive feedback circuit 8 applied to it. EFFECT: enhanced voltage gain and maximized amplitude of output signal. 1 cl, 8 dwg

Description

Текст описания в факсимильном виде (см. графическую часть) То Description text in facsimile form (see graphic part)

Claims (1)

Зарядочувствительный усилитель, содержащий первый каскад усиления напряжения и тока, вход которого является входом зарядочувствительного усилителя, цепь общей отрицательной обратной связи, выход которой соединен со входом первого каскада усиления напряжения и тока, второй усилительный каскад, повторитель напряжения, выход которого является выходом зарядочувствительного усилителя и соединен со входом цепи общей отрицательной обратной связи, а вход соединен с выходом второго усилительного каскада, источник тока, отличающийся тем, что в него введены буферный каскад, вход которого соединен с выходом первого каскада усиления напряжения и тока, цепь сдвига уровня, выход которой соединен со входом второго усилительного каскада, а вход соединен с выходом буферного каскада, повторитель тока, вход которого соединен с выходом источника тока, а выход соединен с выходом второго усилительного каскада, и цепь положительной обратной связи, вход которой соединен с выходом повторителя тока, а выход соединен со входом повторителя тока.A charge-sensitive amplifier containing a first voltage and current amplification stage, the input of which is a charge-sensitive amplifier input, a common negative feedback circuit, the output of which is connected to the input of the first voltage and current amplification stage, a second amplification stage, a voltage follower, the output of which is the output of a charge-sensitive amplifier and connected to the input of the common negative feedback circuit, and the input connected to the output of the second amplifier stage, a current source, characterized in that a buffer stage is introduced into it, the input of which is connected to the output of the first voltage and current amplification stage, a level shift circuit, the output of which is connected to the input of the second amplifier stage, and the input is connected to the output of the buffer stage, the current repeater, the input of which is connected to the output of the current source, and the output is connected to the output of the second amplifier stage, and a positive feedback circuit, the input of which is connected to the output of the current repeater, and the output is connected to the input of the current repeater.
RU2002103698A 2002-02-15 2002-02-15 Charge-sensing amplifier RU2219651C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2002103698A RU2219651C2 (en) 2002-02-15 2002-02-15 Charge-sensing amplifier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2002103698A RU2219651C2 (en) 2002-02-15 2002-02-15 Charge-sensing amplifier

Publications (2)

Publication Number Publication Date
RU2002103698A RU2002103698A (en) 2003-08-20
RU2219651C2 true RU2219651C2 (en) 2003-12-20

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Family Applications (1)

Application Number Title Priority Date Filing Date
RU2002103698A RU2219651C2 (en) 2002-02-15 2002-02-15 Charge-sensing amplifier

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RU (1) RU2219651C2 (en)

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
BRITTON C.L. et al. Design and characterization of a lowpower consumption HPGe spctrometer. B: IEEE Transactions on nuclear Science, 1985, vol.NS-32, N1, p. 36-40. *
ГОРН А.С. и др. Вопросы атомной науки и техники. Сер. Ядерное приборостроение, 1985, вып.2, с. 58-63. *

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MM4A The patent is invalid due to non-payment of fees

Effective date: 20100216