585: Difference between revisions

585 (view source)

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-The Type 585 is a 100MHz [[580-Series scope]] introduced by Tektronix in
+{{Oscilloscope Sidebar|
+title=Tektronix 585|
+image=585a_front.jpg|
+caption=Tektronix 585 |
+years=1959 — 1969? |
+summary=100 MHz oscilloscope|
+manuals=
+* [http://bama.edebris.com/download/tek/585/585.pdf Tektronix 585 Manual (PDF)]
+* [http://w140.com/tek_585a_serno_14416.pdf Tektronix 585A Manual (PDF)]
+* [http://w140.com/tek_fcp/tek_585_fac_cal.pdf Tektronix 585 Factory Calibration Procedure (PDF)]
+}}
+The '''Tektronix 585''' is a 100 MHz [[580-Series scope]] introduced by Tektronix in
 [[introduced_in_1959|1959]] and made through the 1960's.
 == Plug-in Interface ==
-The 585 uses [[580-series plug-ins]],
+The 585 uses [[580-series plug-ins]], which look like [[letter-series and 1-series plug-ins]]
-which look like [[letter-series and 1-series plug-ins]]
+but are electrically different, primarily in the impedance of the signal interface
-but are electrically different,
-primarily in the impedance of the signal interface
 between the plug-in and the scope.
-The [[81|Type 81]] adapter allows the use of
-letter-series and 1-series plug-ins in a 585.
+The [[81|Type 81]] adapter allows the use of letter-series and 1-series plug-ins in a 585.
 == Trigger Circuit ==
-The original 585 (up to serial number 1070) has
+The original 585 (up to serial number 1070) has an "A" trigger circuit that has a differential
-an "A" trigger circuit that has a differential
+trigger amplifier made of a pair of [[6EW6]] miniature pentodes, followed by a Schmitt trigger
-trigger amplifier made of a pair of [[6EW6]] miniature pentodes,
-followed by a Schmitt trigger
 made of a pair of miniature dual triode tubes.
-Starting at serial number 1071, the miniature dual triode Schmitt trigger
-was replaced by a 10mA [[tunnel diodes|tunnel diode]]
+Starting at serial number 1071, the miniature dual triode Schmitt trigger was replaced by a
-and a pulse amplifier made with an OC171 germanium PNP
+ mA [[tunnel diodes|tunnel diode]] and a pulse amplifier made with an OC171 germanium PNP
-transistor.  The tunnel diode is AC-coupled to the
+transistor.  The tunnel diode is AC-coupled to the base-emitter junction of the transistor.
-base-emitter junction of the transistor.
 == Vertical Signal Path ==
-Like the [[545]], [[551]], and [[555]], the 585 uses a
+Like the [[545]], [[551]], and [[555]], the 585 uses a [[distributed amplifier]] for vertical
-[[distributed amplifier]] for vertical deflection.
+deflection. Unlike the other 500-series scopes, the 585 uses a CRT with distributed vertical
-Unlike the other 500-series scopes, the 585 uses a CRT
+deflection plates, the [[T581]], enabling it to have both high sensitivity and fast risetime.
-with distributed vertical deflection plates, the [[T581]],
-enabling it to have both high sensitivity and fast risetime.
 The total CRT acceleration voltage is 10kV.
-Several improvements were published for the 585 circuitry,
+Several improvements were published for the 585 circuitry, including the enhanced trigger circuit.
-including the enhanced trigger circuit.
+If all of those changes are applied to a 585, it is essentially a 585A.
-If all of those changes are applied to a 585,
-it is essentially a 585A.
 == Rackmount Versions ==
 Rackmount versions were also made, the RM585 and RM585A.
-* [http://bama.edebris.com/download/tek/585/585.pdf Tektronix 585 Manual (PDF)]
+==Specifications==
-* [http://w140.com/tek_585a_serno_14416.pdf Tektronix 585A Manual (PDF)]
+[[Category:Specifications needed]] ''please add''
-* [http://w140.com/tek_fcp/tek_585_fac_cal.pdf Tektronix 585 Factory Calibration Procedure (PDF)]
+==Pictures==
 <gallery>
 Image:585a_front.jpg|Front view.
@@ Line 54: / Line 56: @@
 File:Wellenkino 585A.jpg
 </gallery>
+[[Category:580 series scopes]]