DC503: Difference between revisions

DC503 (view source)

Revision as of 04:46, 1 December 2023

937 bytes removed , 1 December 2023

no edit summary

Peter

Bureaucrats, Interface administrators, Suppressors, Administrators

41,130

edits

@@ Line 1: / Line 1: @@
-{{TM500 | mfg=Tektronix | type=DC503 | function=100 MHz, 7-digit frequency counter | class=counter | image=Tek-dc503-front.jpg | introduced=1972 | discontinued=1993
+{{TM500 | mfg=Tektronix | type=DC503 | function=100 MHz, 7-digit frequency counter | class=counter | image=Tek-dc503-front.jpg | introduced=1972 | discontinued=1981
 |designers=Roland Crop;Jim Geddes
 |manuals=
@@ Line 8: / Line 8: @@
 * [[Media:TM_9-6625-474-14.pdf|DC503A Military Manual]]
 * [[Media:Tek_DC503_FCP_1977-02-18.pdf|Tektronix DC503 Factory Calibration Procedure]] (OCR)
-}}
+}}. It was [[introduced in 1972]] at the launch of the TM500 system, and superseded by the [[DC503A]] in 1981.
 Opt.01 is an [[wikipedia:Crystal oven|OCXO]] for improved stability.
-DC503
 {{BeginSpecs}}
 {{Spec | Frequency Range | 0.1 Hz (AC coupled: 10 Hz) to 100 MHz }}
@@ Line 26: / Line 26: @@
 {{Spec | Error | ≤ ±5 × 10<sup>-7</sup> from 0 °C to +50 °C (after oven warm-up) }}
 {{Spec | Aging | ≤ ±1 × 10<sup>-7</sup> per month }}
-{{EndSpecs}}
-DC503A
-{{BeginSpecs}}
-{{Spec | Frequency Range | 0 Hz (AC coupled: 10 Hz) to ≥125 MHz }}
-{{Spec | Impedance | 1 MΩ paralleled by approx. 27pF}}
-{{Spec | Sensitivity | 20 mV<sub>RMS</sub> sinewave to 100 MHz, 35 mV<sub>RMS</sub> sinewave to 125 MHz }}
-{{Spec | Max Input Voltage | 1× Atten: 200 V<sub>peak</sub>, 400 V<sub>p-p</sub> @ DC − 50 kHz; 200 V<sub>peak</sub>, ≤(20/f) V<sub>p-p</sub> @ 50 kHz − 1.33 MHz; 200 V<sub>peak</sub>, ≤15 V<sub>p-p</sub> @ 1.33 – 125 MHz }}
-{{Spec | Max Input Voltage | 5× Atten: 200 V<sub>peak</sub>, 400 V<sub>p-p</sub> @ DC − 5 MHz; 200 V<sub>peak</sub>, ≤(2000/f) V<sub>p-p</sub> @ 5 − 100 MHz; 200 V<sub>peak</sub>, ≤20 V<sub>p-p</sub> @ 100 – 125 MHz }}
 {{EndSpecs}}
@@ Line 40: / Line 31: @@
 * [[Media:670-3300-00.zip|Divide-by-5 circuit board gerbers 670-3300-00]] (ZIP)
-==Rear interface DC503 (non A)==
+==Rear interface==
 <small>
 * 14A − 1 MHz clock out
@@ Line 58: / Line 49: @@
 ==Links==
-* [https://www.youtube.com/watch?v=LKyo1sXVjpk Tektronix DC503A Frequency Counter OCXO Mod] by NFM @ YouTube
 {{Documents|Link=DC503}}
 ==Pictures==
-===DC503===
 <gallery>
 Tek-dc503-front.jpg | DC503
@@ Line 72: / Line 61: @@
 Tek dc503 34.jpg|DC503
 Tek dc503 on.jpg|DC503
 </gallery>
-===DC503A===
-<gallery>
-dc503a.jpg | DC503A
-Tek dc503a on.jpg|DC503A
-Tek dc503a left internal.jpg|DC503A left internal
-</gallery>
 ==Components==
 {{Parts|DC503}}

DC503: Difference between revisions

DC503 (view source)

Revision as of 04:46, 1 December 2023

Navigation menu