SU841074A1

SU841074A1 - Device for connecting microcircuits to measuring system

Info

Publication number: SU841074A1
Application number: SU782615178A
Authority: SU
Inventors: Энрикас Юозо Гонестас; Антанас-Витаутас Юозо Чергелис
Original assignee: Предприятие П/Я В-8574
Priority date: 1978-05-15
Filing date: 1978-05-15
Publication date: 1981-06-23

Description

1one

Изобретение относитс к конструктивным элементам радиоэлектронной аппаратуры и может быть использовано в системах дл контрол и испытани интегральных микросхем.The invention relates to structural elements of electronic equipment and can be used in systems for monitoring and testing integrated circuits.

Известно устройство дл подключени микросхем к измерительной системе , содержащее металлические основани в виде дисков, на цилиндрической поверхности которых размещены СЕЧ разъемл, соединенные через коаксиальные линии и герконы с контактной головкой, в которой размещена исследуема микросхема. Электромагниты служат дл управлени гер конами, обеспечивающими подключение к выводам микросхемы источников питани , источников сигналов, измерительных средств и нагрузок р. J.A device for connecting microcircuits to a measuring system is known, which contains metal bases in the form of disks, on the cylindrical surface of which SEC connectors are placed, connected through coaxial lines and reed switches with a contact head in which the microcircuit under study is placed. Electromagnets are used to control ger- cones, providing a connection to the terminals of the microcircuit of power sources, signal sources, measuring means and loads p. J.

Однако конструкци такого устрой|СТва сложна из-за большого числа разъемов, герконов и электромагнитов Кроме того, герконы не обеспечивают согласовани при работе на СВЧ,However, the design of such a device is difficult due to the large number of connectors, reed switches and electromagnets. Moreover, reed switches do not provide matching when working on microwave,

Наиболее близким к предлагаемому по технической сущности вл етс устройство Д.ПЯ подключени микросхем к измерительной системе, содержащее основание , на одной стороне которого размещены СВЧ разъемы, соединенныеThe closest to the proposed technical entity is the device of the PDU connecting the microcircuits to the measuring system, which contains a base, on one side of which are placed the microwave connectors connected

через полосковые линии и герконы с контактной головкой, которую устанавливает держатель микросхемь.. Герконы управл ютс электромагнитами 2.through strip lines and reed switches with a contact head, which is installed by the microcircuit holder. The reed switches are controlled by electromagnets 2.

Однако из-за наличи большого числа СВЧ разъемов, герконов и электромагнитов конструкци известного устройства сложна, а герконы не обеспечивают хорошего согласовани , что However, due to the presence of a large number of microwave connectors, reed switches and electromagnets, the design of a known device is complex, and reed switches do not provide good agreement that

0 особенно необходимо дл исследовани быстродействукнцих микросхем.0 is particularly needed for high-speed chip studies.

Цель изобретени . - улучшение согласовани и упрощение конструкции. . Эта цель достигаетс тем, что устройство дл подключени микросхем к измерительной системе, содержащее основание , на одной стороне которого размещены СВЧ разъемы, контактную головку с контактами, полосковые линии дл соединени СВЧ разъемов с -контакт0 ной головкой, снабжено двум печатными платами, размещенными на другой стороне основани , на внешних сторонах которых расположены полосковые The purpose of the invention. - improved coordination and simplified design. . This goal is achieved by the fact that the device for connecting microchips to the measuring system, comprising a base, on one side of which are microwave connectors, a contact head with contacts, strip lines for connecting microwave connectors with a -contact head, is provided with two printed circuit boards placed on the other side of the base, on the outer sides of which are strip

Claims

5 lines, and the inner sides are metallized and interconnected / and the dielectric pattern, the contacts of the contact head are made dual with the ability of one of the pair of contacts to interact with a stripline of printed circuit boards, and the other - a stripline of a second printed circuit board through the holes of the dielectric pattern. FIG. 1 shows the proposed device, top view; in fig. 2, section A-A in FIG. one; in fig. 3 section bb in fig. one;. in fig. 4 is an electronic circuit diagram of the device for one pair of terminals of the microcircuit under investigation; in fig. 5 - the end of the sock lines with a dielectric pattern, top view. The device for connecting the microcircuits to the measuring system contains a metal ring 1 with a collar in which printed circuit boards 2 and 3 and a base 4 are placed. On the outer sides of the printed circuit boards 2 and 3 there are strip lines 5 and 6 connected to microwave connectors 7 and 8, placed in two concentric circles on the base 4. The inner sides of the printed circuit boards 2 and 3 are metallized, interconnected and form a common bus 9 connected to the collar 1 and the outer conductors of the microwave connectors 7 and 8. The number of microwave connectors is twice as large numbers in the findings of the investigated microchip. On the outer side of the first printed circuit board 2, the ends of all strip lines converge, and the contacts of the contact head 10, which are made double, interact with them. One part of the contact 10 is directly in contact with the end of the strip line 5 of the printed circuit board 2, and the second part is in contact with the end of the strip line 6 through the holes in the dielectric pattern 11 (Fig. 4 and 5). The inner conductors 12 and 13 of the microwave connectors extend beyond the limits of the printed circuit board 2, the inner conductor 13 being connected to the stripline 6 by the solder 14 via the printed circuit board 3 (Fig. 2. The device operates as follows. The outputs of the chip 15 (Fig. 4) separately or in combination, they connect signal sources, power sources, measuring devices and loads, the measuring tools being connected to sockets 7, and signal and power sources to sockets .8. Loads can be in the measuring tool itself or connected to metallic Ring 1 and the end of the internal conductor of the microwave connector protruding from the board (Fig. 2 and Fig. 3). The measuring devices are connected permanently to each chip terminal, and the signal and power sources (including the pulse one) are connected via a dielectric pattern which is mainly necessary for disconnecting from the microwave path of the idle strip lines, which improves coordination. In the proposed device, the dimensions are reduced by 5 times and the matching is improved by 2-3 times. The invention The device for connecting the microcircuits to the measuring system, comprising a base, on one side of which are microwave connectors, a contact head with contacts, strip lines for connecting the microwave connectors with a contact head, in order to improve the coordination and simplify the design, it supplied with two printed circuit boards placed on the other side of the base, on the outer sides of which strip lines are located, and the inner sides are metallized and interconnected, and dielectric pattern, and the contacts of the contact head are made dual with the possibility of interaction of one of the pair of contacts with the strip line of the printed circuit boards, and the other with the strip line of the second printed circuit board through the holes of the dielectric pattern. Sources of information taken into account in the examination 1. US patent number 3461386, cl. 324-158, 1971.

2. US patent number 3496464, class. 324-73, 1971 (prototype).