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11A32: Difference between revisions
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|introduced=1987 | |introduced=1987 | ||
|discontinued=(?) | |discontinued=(?) | ||
|designers= | |designers=Murlan Kaufman;Cliff Baker | ||
|manuals= | |manuals= | ||
* [[Media:070-5922-01.pdf|11A32 Manual]] | * [[Media:070-5922-01.pdf|11A32 Manual]] | ||
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{{BeginSpecs}} | {{BeginSpecs}} | ||
{{Spec | Bandwidth | DC to 400 MHz | {{Spec | Bandwidth | DC to 400 MHz; selectable 100 MHz / 20 MHz 4-pole BWL (Bandwidth Limit) filter }} | ||
{{Spec | Rise time | 875 ps in 1 GHz mainframes such as the [[11402]], [[11402|11402A]], [[11403]], [[11403|11403A]], [[DSA600|DSA601A]], or [[DSA600|DSA602A]]}} | {{Spec | Rise time | 875 ps in 1 GHz mainframes such as the [[11402]], [[11402|11402A]], [[11403]], [[11403|11403A]], [[DSA600|DSA601A]], or [[DSA600|DSA602A]]}} | ||
{{Spec | Deflection | 1 mV to 10 V per division in 1% calibrated steps}} | {{Spec | Deflection | 1 mV to 10 V per division in 1% calibrated steps}} | ||
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===Analog=== | ===Analog=== | ||
Each input channel has a separate attenuator module, part number [[119-2000-0x]], | Each input channel has a separate attenuator module, part number [[119-2000-0x]], | ||
containing passive | containing passive 1 MΩ attenuators, a 50 Ω termination resistor, an AC coupling capacitor, | ||
a switch selecting the calibrator or signal input, and an [[M474]] buffer amplifier. | a switch selecting the calibrator or signal input, and an [[M474]] buffer amplifier. | ||
In normal operation the calibrator signal to the attenuator is instead connected to ground. | In normal operation the calibrator signal to the attenuator is instead connected to ground. | ||
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. | ||
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50 Ω per side input impedance. The same is true of the trigger outputs of the two amplifiers. | 50 Ω per side input impedance. The same is true of the trigger outputs of the two amplifiers. | ||
The version of the M377 used in the 11A32 has a 100 Ω output impedance per side so that two of them in parallel | The version of the M377 used in the 11A32 has a 100 Ω output impedance per side so that two of them in parallel create a source impedance of 50 Ω per side. | ||
create a source impedance of 50 Ω per side. | |||
Each M377 amplifier's nominal common-mode output voltage is zero whether enabled or not. When not enabled, each M377 | Each M377 amplifier's nominal common-mode output voltage is zero whether enabled or not. When not enabled, each M377 | ||
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* [[11A-series plug-in NVRAM replacement]] | * [[11A-series plug-in NVRAM replacement]] | ||
* [http://www.barrytech.com/tektronix/tek11000/tek11a32.html Tek 11A32 @ barrytech.com] | * [http://www.barrytech.com/tektronix/tek11000/tek11a32.html Tek 11A32 @ barrytech.com] | ||
{{Documents|Link=11A32}} | |||
==Pictures== | ==Pictures== | ||