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The 455 makes extensive use of integrated circuits and is smaller and lighter than the 453. | The 455 makes extensive use of integrated circuits and is smaller and lighter than the 453. | ||
{{MissingSpecs}} | |||
==Internals == | |||
The final stage of the 455 vertical amplifier employs a differential pair of triple-stacked NPN transistors. | The final stage of the 455 vertical amplifier employs a differential pair of triple-stacked NPN transistors. | ||
The purpose of the stacking is to get higher voltage swing and to eliminate the need for a heat sink. | The purpose of the stacking is to get higher voltage swing and to eliminate the need for a heat sink. | ||
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Triggering is done with [[155-0121-00]] chips, one per channel. | Triggering is done with [[155-0121-00]] chips, one per channel. | ||
==Pictures== | ==Pictures== |