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11A34: Difference between revisions
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The same is true of the trigger outputs of the four amplifiers. | The same is true of the trigger outputs of the four amplifiers. | ||
The version of the M377 used in the 11A34 has 200 Ω output impedance so that four of them in parallel create an equivalent source impedance of 50 Ω. | The version of the M377 used in the 11A34 has 200 Ω output impedance so that four of them in parallel create an equivalent source impedance of 50 Ω. | ||
The amplifiers | The amplifiers are connected in parallel because regardless of whether the amplifier's output is enabled: | ||
* each amplifier's output has a source impedance of 200 Ω so the four amplifiers in parallel match the 50 Ω spec of the [[11000 Series plug-in interface]]. | * each amplifier's output has a source impedance of 200 Ω so the four amplifiers in parallel match the 50 Ω spec of the [[11000 Series plug-in interface]]. | ||
* each amplifier's nominal common-mode output voltage is zero | * each amplifier's nominal common-mode output voltage is zero | ||