SU584263A1 - Device for checking the contact of instruments for measuring the resistance of printed circuit board metallized junctions - Google Patents

Device for checking the contact of instruments for measuring the resistance of printed circuit board metallized junctions

Info

Publication number
SU584263A1
SU584263A1 SU7502113425A SU2113425A SU584263A1 SU 584263 A1 SU584263 A1 SU 584263A1 SU 7502113425 A SU7502113425 A SU 7502113425A SU 2113425 A SU2113425 A SU 2113425A SU 584263 A1 SU584263 A1 SU 584263A1
Authority
SU
USSR - Soviet Union
Prior art keywords
instruments
measuring
contact
printed circuit
checking
Prior art date
Application number
SU7502113425A
Other languages
Russian (ru)
Inventor
Виктор Дмитриевич Орлов
Валерий Иванович Широков
Петр Матвеевич Котовщиков
Original Assignee
Предприятие П/Я В-2431
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 Предприятие П/Я В-2431 filed Critical Предприятие П/Я В-2431
Priority to SU7502113425A priority Critical patent/SU584263A1/en
Application granted granted Critical
Publication of SU584263A1 publication Critical patent/SU584263A1/en

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  • Measurement Of Resistance Or Impedance (AREA)

Description

чатных Плит с высокой надежностью и исключить ошибки измерений.with high reliability and eliminate measurement errors.

Claims (1)

Формула изобретени Invention Formula Устройство контрол  контакта в приборах дл  измерени  сопротивлений металлизированных переходов печатных плат, содержащее последовательно соединенные стабилизированный источник тока, контактный соединитель , усилитель и регистрирующий прибор, отличающеес  тем, что, с целью повыщени  точности измерени , оно снабжено двум A contact monitoring device in instruments for measuring the resistances of metallized transitions of printed circuit boards, containing a series-connected stabilized current source, a contact connector, an amplifier and a recording device, characterized in that, in order to increase the measurement accuracy, it is equipped with two ключами, выпр мителем, элементом ИЛИ, индикатором и фильтром верхних частот, выход которого через выпр митель и первый ключ подсоединен к первому входу элемента ИЛИ, выход соединен с индикатором, а усилитель подключен к входу фильтра верхних частот и через второй ключ - ко второму входу элемента ИЛИ.using keys, a rectifier, an OR element, an indicator and a high-pass filter, whose output is connected to the first input of the OR element through a rectifier and first key, the output is connected to the indicator, and the amplifier is connected to the high-pass filter input and through the second switch to the second input element OR. Источники информации, прин тые во внимание при экспертизе 1. Патент Франции № 2131845, кл. G 01R 27/00, 1972.Sources of information taken into account in the examination 1. French patent number 2131845, cl. G 01R 27/00, 1972.
SU7502113425A 1975-03-14 1975-03-14 Device for checking the contact of instruments for measuring the resistance of printed circuit board metallized junctions SU584263A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU7502113425A SU584263A1 (en) 1975-03-14 1975-03-14 Device for checking the contact of instruments for measuring the resistance of printed circuit board metallized junctions

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU7502113425A SU584263A1 (en) 1975-03-14 1975-03-14 Device for checking the contact of instruments for measuring the resistance of printed circuit board metallized junctions

Publications (1)

Publication Number Publication Date
SU584263A1 true SU584263A1 (en) 1977-12-15

Family

ID=20612700

Family Applications (1)

Application Number Title Priority Date Filing Date
SU7502113425A SU584263A1 (en) 1975-03-14 1975-03-14 Device for checking the contact of instruments for measuring the resistance of printed circuit board metallized junctions

Country Status (1)

Country Link
SU (1) SU584263A1 (en)

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