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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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* [[Media:061-3381-00.pdf|Tektronix 11A32 Preliminary Service Manual]]] | * [[Media:061-3381-00.pdf|Tektronix 11A32 Preliminary Service Manual]]] | ||
}} | }} | ||
The '''Tektronix 11A32''' is a 400 MHz dual-channel amplifier plug-in for [[11000-series scopes]]. | The '''Tektronix 11A32''' is a 400 MHz dual-channel amplifier plug-in for [[11000-series scopes]] and DSA600-series scopes. | ||
{{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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==Internals== | ==Internals== | ||
===Analog=== | ===Analog=== | ||
Each input channel has a separate attenuator module containing passive | Each input channel has a separate attenuator module, part number [[119-2000-0x]], | ||
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. | |||
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 | The M377's − input is connected to the [[ACVS]] (Analog Control Voltage System) output. | ||
The (differential) display outputs of the two amplifiers are hard-wired in parallel and drive the mainframe’s | The (differential) display outputs of the two amplifiers are hard-wired in parallel and drive the mainframe’s | ||
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. | |||
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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Each of the two channels has its own AUX output on dedicated pins of the plug-in interface connector: | Each of the two channels has its own AUX output on dedicated pins of the plug-in interface connector: | ||
{| class="wikitable" style="margin:auto" | {| class="wikitable" style="margin:auto" | ||
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|- | |- | ||
|} | |} | ||
See also the block diagram below. | See also the block diagram below. | ||
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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== | ||
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Tek 11a32 2.jpg | Tek 11a32 2.jpg | ||
Tek 11a32 block diagram.png|Block diagram | Tek 11a32 block diagram.png|Block diagram | ||
Tek 11a32 input attenuators.jpg|11A32 Input Attenuators | |||
Tek 11a32 kernel.jpg|11A32 Kernel | |||
Tek 11a32 analog control and signal amplifiers.jpg|11A32 Analog Control and Signal Amplifiers | |||
Tektronix 11A32 schematic pg 4.jpg|11A32 Main Interface | Tektronix 11A32 schematic pg 4.jpg|11A32 Main Interface | ||
Tek 11a32 internal1.jpg|left side internal | Tek 11a32 internal1.jpg|left side internal | ||
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</gallery> | </gallery> | ||
{{ | ==Parts== | ||
{{Parts|11A32}} | |||
[[Category:11000 series plugins]] | [[Category:11000 series plugins]] | ||
[[Category:Tekprobe BNC]] | [[Category:Tekprobe BNC]] | ||