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3S76: Difference between revisions
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[[Phil Crosby]] worked on it for a week during spring break from Portland State (college then, not university). | [[Phil Crosby]] worked on it for a week during spring break from Portland State (college then, not university). | ||
Phil Crosby designed the channel switching circuitry. | Phil Crosby designed the channel switching circuitry. | ||
{{BeginSpecs}} | {{BeginSpecs}} | ||
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==Internals== | ==Internals== | ||
The 3S76 contains 10 Germanium transistors in TO-7 cases, which are prone to failure due to internal growth of tin whiskers. See the '''Repairs''' tab about replacing these with 2N3906s. | |||
Each input has a trigger takeoff transformer and a 55 ns coaxial [[delay line]]. | Each input has a trigger takeoff transformer and a 55 ns coaxial [[delay line]]. | ||
The trigger source channel is selectable. | The trigger source channel is selectable. | ||