155-0064-00: Difference between revisions

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-The '''155-0064-00''' is a custom IC hybrid developed by Tektronix in the early 1970's,
+[[File:Tek_155-0064-00.jpg |thumb|300px|right|155-0064-00]]
-primarily as a vertical output amplifier for oscilloscopes.
+{{Hybrid IC
+|Manufacturer=Tektronix
+|Model=H074A
+|Part_nos=155-0064-00
+|Description=vertical output amplifier
+|Used_in=7834;7854;7904;R7903;7912AD;485;PG502
+|Designers=
+}} in a 12-pin TO-8 stud mounted can, developed by Tektronix in the early 1970s.
-It is packaged in a 12-pin TO-8 stud mounted can.  Maximum power dissipation is 4 watts.
+Maximum power dissipation is 4 watts.  Rise time is specified as 470 ps (equiv. bandwidth 745 MHz).
-The rise time is specified as 470 ps (equiv. bandwidth 745 MHz).
-The hybrid consists of three dice: the M080 differential amplifier, and two
+The hybrid consists of three dice on a [[BeO substrate]] − an [[M080]] differential amplifier ("[[ft doubler|f<sub>t</sub> doubler]]"), and two D078 NPN output transistors in common-base configuration.
-D078 NPN output transistors in common-base configuration.
-* [http://w140.com/155-0064-00.pdf 155-0064-00 Specs (PDF)]
+It is the same as the [[155-0065-00]] (H074), except for the case stud and specified pin 3 to case breakdown voltage.
-<gallery>
+There is also an H074B ([[155-0125-00]]) version.
-File:155-0064-00 schem.png|Schematic and pinout
-File:155-0064-00-mech.png|Mechanical
+According to [http://hakanh.com/dl/docs/kitinstructions/050-1014-00.pdf Modification 050-1014-00, Vertical Output Microcircuit Replacement], the emitter resistors need to be selected according to a code printed on the device.
-</gallery>
+* [http://w140.com/155-0064-00.pdf 155-0064-00 Specs] (1973)
+* [[Media:155-0064-00 1973.pdf|155-0064-00 Specs]] (1973)
+* [[Media:155-0064-00.pdf|155-0064-00 Specs]] (1979)
 ==Used in==
-* [[7834]]
+* [[7834]], [[7854]] (A18U150)
-* [[7904]], [[7903]]
+* [[7904]], [[R7903]] (U745, vertical output in SN B260000 and up; B259999 and below use [[155-0065-00]])
+* [[7912AD]] (A34U745)
 * [[485]]
+* [[PG502]] (U400) (earlier SN, later [[155-0125-00]])
+{{Part usage}}
+{{PatentLinks|155-0064-00}}
+==Pictures==
+<gallery>
+-0064-00 schem.png|Schematic and pinout
+-0064-00-mech.png|Mechanical
+</gallery>
-[[Category:Tektronix-made integrated circuits]]
+[[Category:Tektronix-made hybrid integrated circuits]]