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* [http://w140.com/smb/DC505_SM.pdf Tektronix DC505 Manual (OCR, PDF)]
{{TM500 | mfg=Tektronix | type=DC505 | function=225 MHz counter/timer | class=counter | image=Tek dc505.jpg | introduced=1974 | discontinued=1981 |
* [http://w140.com/smb/DC505A_SM.pdf Tektronix DC505A Manual (OCR, PDF)]
|manuals=
* [[Media:070-1665-00.pdf|Tektronix DC505 Manual]] (OCR)
* [[Media:070-1984-00.pdf|Tektronix DC505A Manual]] (OCR)
}}
{{BeginSpecs}}
{{Spec | Frequency range | 0 Hz (DC coupled) / 10 Hz (AC coupled) to 225 MHz }}
{{Spec | Sensitivity    | 50 mV<sub>RMS</sub> to 150 MHz, 100 mV<sub>RMS</sub> to 225 MHz (sine) }}
{{Spec | Resolution      | 7 digits }}
{{Spec | Gate time      | 0.01 s to 10 s in decade steps }}
{{Spec | Stability      | Standard: 1×10<sup>−5</sup>; Opt.1: 5×10<sup>−7</sup> (0°C to +50°C, after 30 min warm-up) }}
{{Spec | Long-term drift | Standard: 1×10<sup>−5</sup> per month; Opt.1: 5×10<sup>−7</sup> per month }}
{{Spec | Features        |
* Two input channels (BNC connectors)
* Functions: Frequency, frequency ratio, period, interval, pulse width, events
}}
{{EndSpecs}}
==Rear Interface==
{| class="wikitable"
|-
! Connector Pin
! Signal
|-
| 27A      || Internal Scan Clock Disable
|-
| 26B      || Manual Start-Stop
|-
| 26A      || /RESET
|-
| 25B,24B  || Internal Scan Clock Out
|-
| 25A      || Time Slot Zero
|-
| 23B      || Overflow
|-
| 21B      || BCD output 2
|-
| 20B      || BCD output 8
|-
| 20A      || BCD output 4
|-
| 19A      || BCD output 1
|-
| 19B      || Data Good
|-
| 14A      || Ext Clock Input
|}
Data is output serially by digit,


[[Category:TM500 counter plugins]]
==Links==
* [http://www.barrytech.com/tektronix/tektm500/tekdc505.html DC505 @ barrytech.com]


[[Category:Description needed]]
==Pictures==
[[Category:Specifications needed]]
<gallery>
[[Category:Manual needed]]
Tek dc505.jpg  | DC505
Tek dc505a.jpg | DC505A
</gallery>

Revision as of 02:24, 8 January 2022

Tektronix DC505
225 MHz counter/timer
Tektronix DC505

Produced from 1974 to 1981

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

The Tektronix DC505 is a 225 MHz counter/timer plug-in for the TM500 system.

Key Specifications

Frequency range 0 Hz (DC coupled) / 10 Hz (AC coupled) to 225 MHz
Sensitivity 50 mVRMS to 150 MHz, 100 mVRMS to 225 MHz (sine)
Resolution 7 digits
Gate time 0.01 s to 10 s in decade steps
Stability Standard: 1×10−5; Opt.1: 5×10−7 (0°C to +50°C, after 30 min warm-up)
Long-term drift Standard: 1×10−5 per month; Opt.1: 5×10−7 per month
Features
  • Two input channels (BNC connectors)
  • Functions: Frequency, frequency ratio, period, interval, pulse width, events

Rear Interface

Connector Pin Signal
27A Internal Scan Clock Disable
26B Manual Start-Stop
26A /RESET
25B,24B Internal Scan Clock Out
25A Time Slot Zero
23B Overflow
21B BCD output 2
20B BCD output 8
20A BCD output 4
19A BCD output 1
19B Data Good
14A Ext Clock Input

Data is output serially by digit,

Links

Pictures