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1S1: Difference between revisions
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and the horizontal voltage from the oscilloscope can be used to control the 1S1, as described below. | and the horizontal voltage from the oscilloscope can be used to control the 1S1, as described below. | ||
The 1S1 has a 50 Ω [[GR-874 connector]] for signal input. The plug-in supplies power (+100 V and | The 1S1 has a 50 Ω [[GR-874 connector]] for signal input. The plug-in supplies power (+100 V and −12.6 V) to accessories like the [[P6032]] Cathode Follower Probe, the [[281]] TDR Pulser, and the [[282]] Probe Adapter. | ||
The 1S1 can operate in normal self-swept mode or an external sweep signal can be applied to the 1S1. | The 1S1 can operate in normal self-swept mode or an external sweep signal can be applied to the 1S1. | ||
With the 1S1's internal sweep disabled, the horizontal-in and vertical-out connections can be used | With the 1S1's internal sweep disabled, the horizontal-in and vertical-out connections can be used | ||
so the the 1S1 acts as a lookup table, a mapping of | so the the 1S1 acts as a lookup table, a mapping of X to Y, a function. | ||
The 661 also has this capability, in its "A vert/B horiz" mode, which is like X-Y mode for a sampler. | The 661 also has this capability, in its "A vert/B horiz" mode, which is like X-Y mode for a sampler. | ||
In this mode, the horizontal-in voltage controls the time after the trigger event when the sample should be taken, | In this mode, the horizontal-in voltage controls the time after the trigger event when the sample should be taken, | ||
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Type 1S1 was designed by [[Chuck Edgar]], [[introduced in 1965]] and sold through 1973. | Type 1S1 was designed by [[Chuck Edgar]], [[introduced in 1965]] and sold through 1973. | ||
The | The [[282|Type 282 Probe Adapter]] works with the 1S1. | ||
It is an active buffer to allow the use of high impedance probes with the | It is an active buffer to allow the use of high impedance probes with the 50 Ω input of the 1S1. | ||
It does, however, lower the bandwidth. | It does, however, lower the bandwidth. | ||
When the 1S1 is set for INT trigger signal, the EXT TRIG input is terminated with | When the 1S1 is set for INT trigger signal, the EXT TRIG input is terminated with 50 Ω. | ||
==Pictures== | ==Pictures== | ||