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11A71: Difference between revisions
added pictures (thank you very much Tadej!)
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(added pictures (thank you very much Tadej!)) |
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title=Tektronix 11A71 | | title=Tektronix 11A71 | | ||
summary=Single channel 1 GHz amplifier | | summary=Single channel 1 GHz amplifier | | ||
image= | image=11a71-ext.jpg | | ||
caption=Tek 11A71 | | caption=Tek 11A71 | | ||
series=[[11000-series scopes]] | | series=[[11000-series scopes]] | | ||
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==Internals== | ==Internals== | ||
Custom Tek chips used: [[155-0175-00]], ... | Custom Tek chips used: [[155-0180-00]], [[155-0181-00]], [[155-0175-00]], [[155-0076-00]], ... | ||
==Links== | ==Links== | ||
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==Pictures== | ==Pictures== | ||
<gallery> | <gallery> | ||
11a71-ext.jpg | 11A71 external view | |||
Tek 11a71 block.png | Block diagram | |||
11a71-right.jpg | Right side of the 11A71 plug-in (analog board) | |||
11a71-input.jpg | Input section. Cable loop acts as a delay line, connects to the input attenuator. | |||
11a71-atten.jpg | Input attenuator, 50 Ω signal path. Laser-trimmed thick film resistors. AC coupling capacitor in plastic support. | |||
11a71-amp.jpg | Amplifier section. Blue cable from input attenuator connects to the [[155-0180-00|155-0180-00 input protection circuit]]. Signal is differential from after the first amplifier up to the AD converter in the mainframe. | |||
11a71-comp.jpg | Compensation trimmers | |||
11a71-detail.jpg | Close-up of late-80s RF design | |||
11a71-digital.jpg | Digital board, 8031 MCU | |||
11a71-daughter.jpg | Digital daughter board | |||
Tek 11a71 left.jpg | left side | |||
Tek 11a71 right.jpg | right side | |||
</gallery> | </gallery> | ||