High-performance, high-density connectors utilizing multiple layer metal/polymer construction

Smith, Roger T.; Chung, Tom

doi:10.1109/ecc.1988.12597

Cited by 5 publications

(1 citation statement)

References 1 publication

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“…The 6-ps step source from a 70-GHz sampling oscilloscope becomes a 15-ps transition at the interface between the probes and sample input pads. The signal at the end of the 3.5-cm-long line had a rise time of only 30 ps, which is the fastest propagation reported on such flexible connector structures; 60-100-ps rise times were measured on similar configurations in [22], but more common transitions are around 300 ps [5,6]. In practical connector applications, where such a short length might be used, the section of flexible cable is not expected to be the limiting factor.…”

Section: Fastest Signal Propagation On Flexible Microstrip Cablementioning

confidence: 99%

Electrical characterization and performance limits of a flexible cable

Deutsch¹,

Dranchak

Arjavalingam³

et al. 1993

IBM J. Res. & Dev.

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The electrical performance of a flexible-cable test structure is characterized from low frequencies up to 2i GHz. The experimental results are used to develop and refine models which describe the performance of such cables, with particular emphasis on the contribution of dielectric and resistive losses, including slcln effect. The capability of triplate flexible cables to provide high-bandwidth connections over long lengths is investigated with the models developed. A triplate design Is chosen because it offers high density, limited crosstalk, no loss through radiation, and relatively inexpensive fabrication. Bit rates of 100 Mb/s-1 Gb/s are considered for propagation over lengths up to 250 cm. The paper highlights the performance-limiting factors through realistic examples. Including the contribution of interfaces to other interconnection structures.

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Section: Fastest Signal Propagation On Flexible Microstrip Cablementioning

confidence: 99%

Electrical characterization and performance limits of a flexible cable

Deutsch¹,

Dranchak

Arjavalingam³

et al. 1993

IBM J. Res. & Dev.

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High-speed signal transmission at the front of a bookshelf packaging system

Koike

Kaizu

Kishimoto

1997

IEEE Trans. Comp., Packag., Manufact. Technol. B

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A front-connection technique using the front-side of the circuit board in rack systems configured like bookshelves is proposed to increase pin-counts for high-through-put switching modules (>20 Gb/s). This configuration technique was implemented using newly developed front connectors and flexible printed-circuit (FPC) cables that are both impedance-matched. This configuration enables the use of a new transmission route that meanders through every signal transmission line of every circuit board, backplane, and FPC cable. This route can extend the functional block size from the size of the circuit board to that of the unit. In a signal transmission experiment between circuit boards with this meander route passing through signal lines of an 18-cm-long FPC cable and over a distance of ten slots in the backplane, error-free (<10 011 ) signal transmission of 2 23 0 1 nonreturn-to-zero (NRZ) pseudo-random bit sequences (PRBS) at 622.08 Mb/s was obtained.Index Terms-Bookshelf packaging system, FPC cable, front connector, functional block, meander routes.

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A new printed circuit board connector with flexible film leads

Kon

Yasuda

Nakano

38th Electronics Components Conference 1988., Proceedings.

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High-performance, high-density connectors utilizing multiple layer metal/polymer construction

Cited by 5 publications

References 1 publication

Electrical characterization and performance limits of a flexible cable

Electrical characterization and performance limits of a flexible cable

High-speed signal transmission at the front of a bookshelf packaging system

A new printed circuit board connector with flexible film leads

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