11A34: Difference between revisions
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|introduced=1987 | |introduced=1987 | ||
|discontinued=(?) | |discontinued=(?) | ||
|designers=Murlan Kaufman | |designers=Murlan Kaufman;Cliff Baker | ||
|manuals= | |manuals= | ||
* [[Media:070-5921-01.pdf|Tektronix 11A34 User Reference -01]] | * [[Media:070-5921-01.pdf|Tektronix 11A34 User Reference -01]] | ||
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==Internals== | ==Internals== | ||
===Analog=== | ===Analog=== | ||
Each input channel has a separate [[119-2000-0x]] attenuator module containing passive | Each input channel has a separate [[119-2000-0x]] attenuator module containing passive 1 MΩ attenuators, an AC coupling capacitor, | ||
a switch selecting the calibrator or signal input, and an [[M474]] buffer amplifier. The calibrator signal is turned off inside the plugin when not in use. | |||
The attenuator module output feeds the + input of the [[M377]] amplifier IC through a (blue) | The attenuator module output feeds the + input of the [[M377]] amplifier IC through a (blue) 50 Ω transmission line, one per input channel. The cable lengths set a standard delay per plugin. | ||
The M377's - input is connected to the [[ACVS]] (Analog Control Voltage System) output. | The M377's - input is connected to the [[ACVS]] (Analog Control Voltage System) output. | ||