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from the scope's sweep circuitry. The input connector is a 50-ohm | from the scope's sweep circuitry. The input connector is a 50-ohm | ||
[[Connectors#GR-874|GR-874]]. | [[Connectors#GR-874|GR-874]]. | ||
The Type N was [[introduced in 1960]], superseded by the | The Type N was [[introduced in 1960]], superseded by the [[661|Type 661]] Sampling Oscilloscope system a year later, | ||
and discontinued in 1964, making it the shortest-lived plug-in. | and discontinued in 1964, making it the shortest-lived plug-in. | ||
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few Tektronix plug-ins with fixed vertical gain. In practice, attenuators | few Tektronix plug-ins with fixed vertical gain. In practice, attenuators | ||
can be placed in the signal path, external to the Type N, to achieve the | can be placed in the signal path, external to the Type N, to achieve the | ||
desired sensitivity. | desired sensitivity. Using an input attenuator also has the effect of attenuating the kick-out | ||
pulse seen by the device under test. | pulse seen by the device under test. | ||