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432: Difference between revisions
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The Tektronix 432 is a 25MHz dual-trace portable oscilloscope. There is also a rack-mount version, the R432. | The Tektronix 432 is a 25MHz dual-trace portable oscilloscope. There is also a rack-mount version, the R432. | ||
Each 432 vertical signal channel starts with the coupling switch, | Each 432 vertical signal channel starts with the coupling switch, | ||
then a rotary cam attenuator, | then a [[rotary cam attenuator]], | ||
then a dual-JFET source-follower buffer amp, | then a dual-JFET source-follower buffer amp, | ||
then a [[155-0050-00]] differential amplifier (switched to [[155-0050-01]] after serial number B239999). | then a [[155-0050-00]] differential amplifier (switched to [[155-0050-01]] after serial number B239999). | ||
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Triggering is done by a 4.7mA [[tunnel diodes|tunnel diode]] that is fed by a discrete trigger amplifier. | Triggering is done by a 4.7mA [[tunnel diodes|tunnel diode]] that is fed by a discrete trigger amplifier. | ||
The 432 consumes 55 watts maximum and weighs 20 pounds. | |||
P31 [[phosphor]] was standard. P7 was also available. | |||
[http://bama.edebris.com/download/tek/432/Tek432.pdf Tektronix 432 Manual (PDF)] | [http://bama.edebris.com/download/tek/432/Tek432.pdf Tektronix 432 Manual (PDF)] | ||