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{{TM500 | mfg=Tektronix | type=DC508 | function=1 GHz counter | class=counter | image=Tek dc508 front.jpg | introduced=1978 | discontinued= | {{TM500 | mfg=Tektronix | type=DC508 | function=1 GHz counter | class=counter | image=Tek dc508 front.jpg | introduced=1978 | discontinued=1980 | designers= |manuals= | ||
* [[Media:070-2460-00.pdf|DC508 Manual (OCR | * [[Media:070-2460-00.pdf|DC508 Manual]] (OCR) | ||
* [[Media:070-3638-00.pdf|DC508A Manual (OCR | * [[Media:070-3638-00.pdf|DC508A Manual]] (OCR) | ||
}} | }} | ||
The DC508A version (1980) extended the frequency range to 1.3 GHz. | The '''DC508A''' version (1980) extended the frequency range to 1.3 GHz. | ||
Both the DC508 and the DC508A use off-the-shelf divide-by-4 counter ICs as the prescaler. | Both the DC508 and the DC508A use off-the-shelf divide-by-4 counter ICs as the prescaler. | ||
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==Links== | ==Links== | ||
* [http://www.barrytech.com/tektronix/tektm500/tekdc508.html DC508 @ barrytech.com] | * [http://www.barrytech.com/tektronix/tektm500/tekdc508.html DC508 @ barrytech.com] | ||
* [ | * [https://www.amplifier.cd/Test_Equipment/Tektronix/Tektronix_500/DC508.htm Tek DC508 page @ amplifier.cd] | ||
==Pictures== | ==Pictures== |