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DC508: Difference between revisions
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{{TM500 | mfg=Tektronix | type=DC508 | function=1 GHz counter | class=counter | image=Tek dc508 front.jpg | introduced=1978 | discontinued=1980 | designers= |manuals= | {{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) | ||
}} | }} | ||
The | The [[DC508A]] version (1980) extended the frequency range to 1.3 GHz. | ||
{{BeginSpecs}} | |||
{{Spec | Frequency Range | 0–100 MHz direct (15 mV<sub>RMS</sub>, 1 MΩ // 25 pF), gate times 1 ms to 10 s in decade steps; 100 MHz – 1 GHz via prescaler (20 mV<sub>RMS</sub>, 50 Ω input, fused), gate times 8 ms to 8 s in decade steps }} | |||
{{Spec | Resolution | 9 digits }} | |||
{{Spec | Functions | Frequency, events }} | |||
{{EndSpecs}} | |||
===Options=== | ===Options=== | ||
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==Links== | ==Links== | ||
* [https://www.amplifier.cd/Test_Equipment/Tektronix/Tektronix_500/DC508.htm Tek DC508 page @ amplifier.cd] | * [https://www.amplifier.cd/Test_Equipment/Tektronix/Tektronix_500/DC508.htm Tek DC508 page @ amplifier.cd] | ||
{{Documents|Link=DC508}} | {{Documents|Link=DC508}} | ||
{{ | {{PatentLinks|DC508}} | ||
==Internals== | |||
The DC508 uses an off-the-shelf divide-by-4 counter ICs as the prescaler, a [[Motorola MC1697]] (Tek part number 156-0923-00), which is rated to 1 GHz. | |||
==Pictures== | ==Pictures== | ||
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==Components== | ==Components== | ||
{{Parts|DC508}} | {{Parts|DC508}} | ||