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DC504: Difference between revisions
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{{Spec|Accuracy| Adjustable to within 5×10<sup>-9</sup>}} | {{Spec|Accuracy| Adjustable to within 5×10<sup>-9</sup>}} | ||
{{EndSpecs}} | {{EndSpecs}} | ||
An internal "RPM" mode switch stretches gate times sixfold., giving a longest gate time of 1 minute with a display scaled in revolutions per minute. | |||
==Rear Interface== | |||
* 28A − Hold | |||
* 28B − Gate Out, Totalize Start/Stop | |||
* 27B − Decimal point | |||
* 26A − /Reset | |||
* 25A − TS1 (digit select 1, MSD) | |||
* 24A − TS2 (digit select 2) | |||
* 23B − Overflow | |||
* 23A − TS3 (digit select 3) | |||
* 22A − TS4 (digit select 4) | |||
* 21B − BCD out 2 | |||
* 21A − TS5 (digit select 5, LSD) | |||
* 20B − BCD out 8 | |||
* 20A − BCD out 4 | |||
* 19B − Latch Out (Data Good) | |||
* 19A − BCD out 1 | |||
* 16A − Signal input | |||
* 14A − External Clock | |||
==Pictures== | ==Pictures== | ||
===DC504=== | ===DC504 (1975−1983)=== | ||
<gallery> | <gallery> | ||
Tek dc504 front.jpg|DC504 | Tek dc504 front.jpg|DC504 | ||
| Line 36: | Line 57: | ||
DC504-inside-copper-side.jpg|DC504 inside; copper side | DC504-inside-copper-side.jpg|DC504 inside; copper side | ||
</gallery> | </gallery> | ||
===DC504A=== | ===DC504A (1984−1993)=== | ||
<gallery> | <gallery> | ||
Tek dc504a.JPG | DC504A | Tek dc504a.JPG | DC504A | ||
Tek dc504a front.jpg|DC504A | Tek dc504a front.jpg|DC504A | ||
DC504A_Left_Internal.jpg|DC504A | DC504A_Left_Internal.jpg|DC504A left internal | ||
DC504A_Right_Internal.jpg|DC504A | DC504A_Right_Internal.jpg|DC504A right internal | ||
DC504A_3-4_View.jpg|DC504A 3/4 view | DC504A_3-4_View.jpg|DC504A 3/4 view | ||
</gallery> | </gallery> | ||