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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 solid-state 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]], |