DC504: Difference between revisions

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{{TM500 | mfg=Tektronix | type=DC504 | function=100 MHz frequency counter | class=counter | image=Tek dc504a.JPG | introduced=1975 | discontinued=1993 |
{{TM500 | mfg=Tektronix | type=DC504 | function=100 MHz, 5-digit frequency counter | class=counter | image=Tek dc504 on.jpg  | introduced=1975 | discontinued=1993 |
manuals=
designers= |manuals=
* [http://w140.com/smb/DC504_SM.pdf Tektronix DC504 Manual (OCR, PDF)]
* [[Media:070-1670-01.pdf|DC504 Manual]] (OCR, PDF)
* [http://w140.com/smb/DC504A_SM.pdf Tektronix DC504A Manual (OCR, PDF)]
* [[Media:070-4291-00.pdf|DC504A Manual]] (OCR, PDF)
}}
}}
 
The DC504A has 6 digits.
==Specifications==
{{BeginSpecs}}
* 5 Digit LED Display
{{Spec|Frequency Range | 0 Hz (AC coupled: 10 Hz) to at least 80 MHz}}
* Frequency Range
{{Spec|Sensitivity (sine wave) | 20 mV<sub>RMS</sub> below 15 MHz, 35 mV<sub>RMS</sub> to 50 MHz, derated down to 175 mV<sub>RMS</sub> at 80 MHz}}
** DC coupled: 0 Hz to at least 80 MHz
{{Spec|Input impedance| 1 MΩ // 20 pF}}
** AC coupled: 10 Hz to at least 80 MHz
{{Spec|Trigger Level Range| −1.5 V to +1.5 V}}
* Sensitivity (sine wave):
{{Spec|Maximum 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) }}
** 20 mV RMS (56,6 mV_pp) below 15 MHz
{{Spec|Maximum period resolution| ms ranges: 1 µs, 10 µs; s ranges: 10 ms, 1 ms, 0.1 ms}}
** 35 mV RMS (99 mV_pp) at or below 50 MHz
{{Spec|Trigger Error| 0.5% of one cycle at min. trigger sensitivity }}
** 35 mV RMS @ 50 MHz derated down to 175 mV RMS (495 mV_pp) @80 MHz
{{Spec|Display Time| Variable  ~0.1 s ... ~10 s and HOLD mode}}
* Input impedance: 1 MΩ; 20 pF
{{SpecGroup|Internal Standard Time Base (1 MHz)}}
* Trigger Level Range: -1,5V to +1,5 V
{{Spec|Stability| 0°C to +50°C after 30 min warm up: 1×10<sup>-5</sup>}}
*Maximum Resolution
{{Spec|Long Term Drift|1×10<sup>-5</sup> per month}}
**Frequency kHz Positions: 0,1 Hz; 1 Hz and 10 Hz (Seven digit resolution possible in overflow kHz position)
{{Spec|Accuracy|Adjustable to within 1×10<sup>-7</sup>}}
**Frequency MHz Positions: 100 Hz and 1 kHz (Nine digit resolution possible in overflow kHz position)
{{SpecGroup|Internal Time Base Option 1 (5 MHz)}}
**Period msec Positions: 1µs and 10 µs
{{Spec|Stability | 0°C to +50°C after 30 min warm up: 1×10<sup>-7</sup>}}
**Period sec Positions: 10 ms; 1ms and 0,1 ms
{{Spec|Long Term Drift| 1×10<sup>-7</sup> per month}}
*Trigger Error: 0,5% of one cycle at min, trigger sensitivity
{{Spec|Accuracy| Adjustable to within 5×10<sup>-9</sup>}}
*Internal Standard Time Base (1 MHz)
{{EndSpecs}}
** Stability: 0°C to +50°C after 30 min warm up: 1E-5
** Long Term Drift: 1E-5 per month
** Accuracy: Adjustable to within 1E-7
*Internal Time Base Option 1 (5 MHz)
** Stability: 0°C to +50°C after 30 min warm up: eE-7
** Long Term Drift: 1E-7 per month
** Accuracy: Adjustable to within 5E-9
* Display Time: Variable  ~0,1 sec ... ~10 sec and HOLD mode


==Pictures==
==Pictures==
===DC504===
<gallery>
<gallery>
File:Tek dc504a.JPG | DC504A (intr. 1984)
Tek dc504a front.jpg|DC504A
Tek dc504 front.jpg|DC504
Tek dc504 front.jpg|DC504
Tek dc504 on.jpg |DC504
Tek dc504 display.jpg|DC504
Tek dc504 input.jpg|DC504
Tek dc504 input.jpg|DC504
Tek dc504 rear1.jpg|DC504
Tek dc504 rear1.jpg|DC504
Tek dc504 rear2.jpg|DC504
Tek dc504 rear2.jpg|DC504
Tek dc504a.jpg|DC504A
DC504-inside-component-side.jpg|DC504 inside; component side
DC504-inside-copper-side.jpg|DC504 inside; copper side
</gallery>
===DC504A===
<gallery>
Tek dc504a.JPG | DC504A (intr. 1984)
Tek dc504a front.jpg|DC504A
DC504A_Left_Internal.jpg|DC504A Internal Left Side
DC504A_Right_Internal.jpg|DC504A Internal Right Side
DC504A_3-4_View.jpg|DC504A 3/4 view.
</gallery>
</gallery>

Revision as of 10:49, 15 August 2021

Tektronix DC504
100 MHz, 5-digit frequency counter
Tektronix DC504

Produced from 1975 to 1993

Manuals
(All manuals in PDF format unless noted otherwise)
Manuals – Specifications – Links – Pictures

The Tektronix DC504 is a 100 MHz, 5-digit frequency counter plug-in for the TM500 system.

The DC504A has 6 digits.

Key Specifications

Frequency Range 0 Hz (AC coupled: 10 Hz) to at least 80 MHz
Sensitivity (sine wave) 20 mVRMS below 15 MHz, 35 mVRMS to 50 MHz, derated down to 175 mVRMS at 80 MHz
Input impedance 1 MΩ // 20 pF
Trigger Level Range −1.5 V to +1.5 V
Maximum 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)
Maximum period resolution ms ranges: 1 µs, 10 µs; s ranges: 10 ms, 1 ms, 0.1 ms
Trigger Error 0.5% of one cycle at min. trigger sensitivity
Display Time Variable ~0.1 s ... ~10 s and HOLD mode
     — Internal Standard Time Base (1 MHz)
Stability 0°C to +50°C after 30 min warm up: 1×10-5
Long Term Drift 1×10-5 per month
Accuracy Adjustable to within 1×10-7
     — Internal Time Base Option 1 (5 MHz)
Stability 0°C to +50°C after 30 min warm up: 1×10-7
Long Term Drift 1×10-7 per month
Accuracy Adjustable to within 5×10-9

Pictures

DC504

DC504A