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DC503: Difference between revisions
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* [[Media:Tek_DC503_FCP_1977-02-18.pdf|Tektronix DC503 Factory Calibration Procedure]] (OCR) | * [[Media:Tek_DC503_FCP_1977-02-18.pdf|Tektronix DC503 Factory Calibration Procedure]] (OCR) | ||
}} | }} | ||
Opt.01 is an [[wikipedia:Crystal oven|OCXO]] for improved stability. | |||
{{BeginSpecs}} | {{BeginSpecs}} | ||
{{SpecGroup | DC503 }} | {{SpecGroup | DC503 }} | ||
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==Gerbers== | ==Gerbers== | ||
* [[Media:670-3300-00.zip|Divide-by-5 circuit board gerbers 670-3300-00]] (ZIP) | * [[Media:670-3300-00.zip|Divide-by-5 circuit board gerbers 670-3300-00]] (ZIP) | ||
==Rear interface DC503 (non A)== | |||
<small> | |||
* 14A − 1 MHz clock out | |||
* 16A − CH A input (GND return on 17A) | |||
* 17B − CH B input (GND return on 16B) | |||
* 19B − Data good | |||
* 19A − BCD output serial-by-digit (1) | |||
* 20A − BCD output serial-by-digit (4) | |||
* 20B − BCD output serial-by-digit (8) | |||
* 21B − BCD output serial-by-digit (2) | |||
* 22B/23B − Overflow out/overflow display disable in | |||
* 24B/25B − Internal scan clock out/external scan clock in | |||
* 25A − Time slot zero (TS<sub>0</sub>) | |||
* 26A − Reset, in/out | |||
* 27A − Internal scan clock disable | |||
</small> | |||
==Links== | ==Links== | ||