36,479
edits
No edit summary |
No edit summary |
||
Line 1: | Line 1: | ||
{{TM500 | mfg=Tektronix | type=DC504 | function= | {{TM500 | mfg=Tektronix | type=DC504 | function=80 MHz, 5-digit frequency counter | class=counter | image=Tek dc504 on.jpg | introduced=1975 | discontinued=1983 | | ||
designers= |manuals= | designers= |manuals= | ||
* [[Media:070-1670-01.pdf|DC504 | * [[Media:070-1670-01.pdf|DC504 Manual]] (OCR) | ||
}} | }} | ||
It was superseded by the [[DC504A]] in 1984. | |||
{{BeginSpecs}} | {{BeginSpecs}} | ||
{{Spec|Frequency Range | | {{Spec|Frequency Range | DC (AC coupled: 10 Hz) to at least 80 MHz }} | ||
{{Spec|Sensitivity | {{Spec|Sensitivity | 20 mV<sub>RMS</sub> sine wave below 15 MHz, 35 mV<sub>RMS</sub> to 50 MHz, derated down to 175 mV<sub>RMS</sub> at 80 MHz}} | ||
{{Spec|Input impedance| 1 MΩ // 20 pF}} | {{Spec|Input impedance | 1 MΩ // 20 pF}} | ||
{{Spec|Trigger Level Range| −1.5 V to +1.5 V}} | {{Spec|Trigger Level Range | −1.5 V to +1.5 V}} | ||
{{Spec| | {{Spec|Frequency Resolution | kHz ranges: 0.1 Hz; 1 Hz and 10 Hz (7 digit resolution possible in overflow kHz position); MHz ranges: 100 Hz, 1 kHz (9 digit resolution possible in overflow kHz position) }} | ||
{{Spec| | {{Spec|Period resolution | ms ranges: 1 µs, 10 µs; s ranges: 10 ms, 1 ms, 0.1 ms}} | ||
{{Spec|Display Time | Variable ~0.1 s ... ~10 s and HOLD mode}} | |||
{{Spec|Display Time| Variable ~0.1 s ... ~10 s and HOLD mode}} | {{Spec|Standard Time Base | 1 MHz, ±1×10<sup>-5</sup> from 0°C to +50°C, ±1×10<sup>-5</sup> per month, Adjustable to within 1×10<sup>-7</sup>}} | ||
{{ | {{Spec|Opt. 1 Time Base | 5 MHz, ±1×10<sup>-7</sup> from 0°C to +50°C, ±1×10<sup>-7</sup> per month, Adjustable to within 1×10<sup>-9</sup>}} | ||
{{ | |||
{{EndSpecs}} | {{EndSpecs}} | ||
An internal "RPM" mode switch stretches gate times sixfold | 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== | ==Rear Interface== | ||
Line 44: | Line 36: | ||
* 19A − BCD out 1 | * 19A − BCD out 1 | ||
* 16A − Signal input (GND on 17A) | * 16A − Signal input (GND on 17A) | ||
* 14A − External Clock | * 14A − External Clock (GND on 15A) | ||
==Pictures== | ==Pictures== |