IT940878B - Sdoppiatore di gamma dinamico per un analizzatore di impulsi prodotti da particole - Google Patents

Sdoppiatore di gamma dinamico per un analizzatore di impulsi prodotti da particole

Info

Publication number
IT940878B
IT940878B IT50082/71A IT5008271A IT940878B IT 940878 B IT940878 B IT 940878B IT 50082/71 A IT50082/71 A IT 50082/71A IT 5008271 A IT5008271 A IT 5008271A IT 940878 B IT940878 B IT 940878B
Authority
IT
Italy
Prior art keywords
analyzer
particles
dynamic range
pulses produced
range splitter
Prior art date
Application number
IT50082/71A
Other languages
English (en)
Original Assignee
Coulter Electronics
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Coulter Electronics filed Critical Coulter Electronics
Application granted granted Critical
Publication of IT940878B publication Critical patent/IT940878B/it

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/10—Investigating individual particles
    • G01N15/1031—Investigating individual particles by measuring electrical or magnetic effects
    • G01N15/12—Investigating individual particles by measuring electrical or magnetic effects by observing changes in resistance or impedance across apertures when traversed by individual particles, e.g. by using the Coulter principle
    • G01N15/131—Details
    • G01N15/132—Circuits

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
IT50082/71A 1970-05-04 1971-05-03 Sdoppiatore di gamma dinamico per un analizzatore di impulsi prodotti da particole IT940878B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US3418970A 1970-05-04 1970-05-04

Publications (1)

Publication Number Publication Date
IT940878B true IT940878B (it) 1973-02-20

Family

ID=21874861

Family Applications (1)

Application Number Title Priority Date Filing Date
IT50082/71A IT940878B (it) 1970-05-04 1971-05-03 Sdoppiatore di gamma dinamico per un analizzatore di impulsi prodotti da particole

Country Status (12)

Country Link
US (1) US3670150A (it)
JP (1) JPS5228028B1 (it)
CA (1) CA927931A (it)
CH (1) CH550387A (it)
DE (1) DE2121824A1 (it)
FR (1) FR2091110A5 (it)
GB (1) GB1353798A (it)
IL (1) IL36762A (it)
IT (1) IT940878B (it)
NL (1) NL7105982A (it)
SE (1) SE367901B (it)
ZA (1) ZA712837B (it)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3963983A (en) * 1973-04-18 1976-06-15 Coulter Electronics, Inc. Pulse amplitude discriminating circuit
DE2428082C3 (de) * 1974-06-11 1979-05-17 Max-Planck-Gesellschaft Zur Foerderung Der Wissenschaften E.V., 3400 Goettingen Schaltangsanordnung zur Eichung einer Meßanordnung zur Volumen-Messung von Partikeln
IL48531A (en) * 1975-01-29 1979-09-30 Baxter Travenol Lab Method and apparatus for discriminating against artifacts in optical testing
ES487980A1 (es) * 1979-03-27 1980-10-01 Contraves Ag Dispositivo para un aparato analizador de particulas
US5532944A (en) * 1994-07-28 1996-07-02 Sorrento Electronics, Inc. Multi-channel analysis system and method using digital signal processing
CN101895267B (zh) * 2010-08-19 2013-06-12 河南科技大学 双通道模数联合型可变增益数据采集的增益预置方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2577475A (en) * 1948-04-27 1951-12-04 Rca Corp Trigger operated pulse amplitude selector
US3539831A (en) * 1967-06-15 1970-11-10 Tektronix Inc Switching circuit including plural ranks of differential circuits

Also Published As

Publication number Publication date
GB1353798A (en) 1974-05-22
CA927931A (en) 1973-06-05
NL7105982A (it) 1971-11-08
FR2091110A5 (it) 1972-01-14
IL36762A0 (en) 1971-07-28
IL36762A (en) 1973-08-29
SE367901B (it) 1974-06-10
JPS5228028B1 (it) 1977-07-23
ZA712837B (en) 1972-12-27
US3670150A (en) 1972-06-13
CH550387A (fr) 1974-06-14
DE2121824A1 (de) 1971-11-18

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