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The '''Tektronix Type 3T7''' is a [[sampling_oscilloscope|sampling]] timebase and pulser plug-in for [[560-series scopes]]. | The '''Tektronix Type 3T7''' is a [[sampling_oscilloscope|sampling]] timebase and pulser plug-in for [[560-series scopes]]. | ||
The 3T7 was [[introduced in 1971]]. | The 3T7 was [[introduced in 1971]]. | ||
When used with a [[3S7]], a TDR system is formed. | |||
The pulse is produced by a 21 mA, 1.5 pF [[tunnel diodes|tunnel diode]], CR587, made by GE with Tektronix part number [[152-0489-00]]. | The pulse is produced by a 21 mA, 1.5 pF [[tunnel diodes|tunnel diode]], CR587, made by GE with Tektronix part number [[152-0489-00]]. |
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