4S3
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The Tektronix Type 4S3 is a 1 GHz dual-trace vertical sampling plug-in for the 661 oscilloscope. It uses two P6038 sampling probes.
The probes contain sampling gates but not amplifiers. The front-end amplifier is in the 4S3 and is composed of a 7308 tube (premium 6DJ8) with its two triodes connected in a common-cathode cascode topology.
Key Specifications
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Links
Patents that may apply to 4S3
| Page | Title | Inventors | Filing date | Grant date | Links |
|---|---|---|---|---|---|
| Patent US 3229212A | Direct sampling apparatus | John V Rogers | 1963-02-18 | 1966-01-11 | Sampling • P6038 • 3S3 • 4S3 |
Pictures
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In 1963 Catalog
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Block Diagram
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Front
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Top
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Left side
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Right side
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Gate Generator
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Gate Generator
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Bottom
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Rear
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4S3 with S-52 through 015-1002-00 14 dB SMA attenuator
