File:RD441 N-KE15.jpg

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Original file ‎(1,382 × 1,581 pixels, file size: 738 KB, MIME type: image/jpeg)

Captions

Captions

Printed circuit board from the TR 440 CPU

Summary

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Description
English: The size is approx. 17 × 20 cm². The type MECL-I integrated circuits are stuck to the copper heat conduction grid. On the lower rim is the edge connector; the board was turned through 90° counter-clockwise (i. e. with the edge connector at the rear) when mounted in the cabinet. On the lower left are the stylizised Telefunken trademark and the part number.
Deutsch: Die Platine ist ca. 17 × 20 cm² groß. Die MECL-I-Module (integrierte Schaltkreise) sind auf die kupfernen Kühlschienen geklebt. Am unteren Rand ist der Platinenstecker; die Platine wurde zum Einbau in den Rechnerschrank um 90° gedreht, so dass der Platinenstecker an der Rückseite war. Unten links sind das stilisierte Markenzeichen von Telefunken und die Teilenummer zu sehen.
Date
Source Own work
Author Knottel

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Creative Commons CC-Zero This file is made available under the Creative Commons CC0 1.0 Universal Public Domain Dedication.
The person who associated a work with this deed has dedicated the work to the public domain by waiving all of their rights to the work worldwide under copyright law, including all related and neighboring rights, to the extent allowed by law. You can copy, modify, distribute and perform the work, even for commercial purposes, all without asking permission.

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current15:31, 13 October 2020Thumbnail for version as of 15:31, 13 October 20201,382 × 1,581 (738 KB)Knottel (talk | contribs)Uploaded own work with UploadWizard

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