155-0064-00: Difference between revisions
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Maximum power dissipation is 4 watts. Rise time is specified as 470 ps (equiv. bandwidth 745 MHz). | Maximum power dissipation is 4 watts. Rise time is specified as 470 ps (equiv. bandwidth 745 MHz). | ||
The hybrid consists of three dice | 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. | ||
It is the same as the [[155-0065-00]] (H074) except for the case and pin 3 to case breakdown. | It is the same as the [[155-0065-00]] (H074), except for the case stud and specified pin 3 to case breakdown voltage. | ||
There is also an H074B ([[155-0125-00]]) version. | |||
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. | 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. | ||
* [http://w140.com/155-0064-00.pdf 155-0064-00 Specs ( | * [http://w140.com/155-0064-00.pdf 155-0064-00 Specs] (1973) | ||
* [[Media:155-0064-00.pdf]] | * [[Media:155-0064-00.pdf|155-0064-00 Specs]] (1979) | ||
<gallery> | <gallery> | ||
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* [[7912AD]] (A34U745) | * [[7912AD]] (A34U745) | ||
* [[485]] | * [[485]] | ||
* [[PG502]] (U400) | * [[PG502]] (U400) (earlier SN, later [[155-0125-00]]) | ||
[[Category:Tektronix-made hybrid integrated circuits]] | [[Category:Tektronix-made hybrid integrated circuits]] | ||
Revision as of 05:00, 30 January 2022
The Tektronix H074A (P/N 155-0064-00) is a vertical output amplifier hybrid integrated circuit in a 12-pin TO-8 stud mounted can, developed by Tektronix in the early 1970s.
Maximum power dissipation is 4 watts. Rise time is specified as 470 ps (equiv. bandwidth 745 MHz).
The hybrid consists of three dice on a BeO substrate − an M080 differential amplifier ("ft doubler"), and two D078 NPN output transistors in common-base configuration.
It is the same as the 155-0065-00 (H074), except for the case stud and specified pin 3 to case breakdown voltage.
There is also an H074B (155-0125-00) version.
According to Modification 050-1014-00, Vertical Output Microcircuit Replacement, the emitter resistors need to be selected according to a code printed on the device.
- 155-0064-00 Specs (1973)
- 155-0064-00 Specs (1979)
-
Schematic and pinout
-
Mechanical
Used in
- 7834, 7854 (A18U150)
- 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)