Tektronix 455

My second scope was the wonderful Tektronix 455 – a great analog scope with lots of great features – about 100 times better than my first Soviet C112 scope. Reasons:

ParameterTektronixC-112
Bandwidth50 MHz10 MHz
Number of channels21
Z - modulation (beam intensity channel)YesNo
Screen sizeBigVery small
Trigger modes/sources/combinations of themA lotThe basic ones
XY modeYesNo
Multimeter(Voltage, ohms)NoYes
A truckload of other cool featuresYesNo

I had to sell it to buy my current digital scope, but I remember it well 🙂 Good times…

If you need the manual, I have it in PDF form, just ask me for it.
Here are some photos – while looking for any pics, I couldn’t find any. So, here are some pictures of the scopes innards:

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Some nasty ASIC is under the heatsink…

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A part is missing! They stole my parts!!!

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Nice wavy routing 🙂

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Note the mechanical connections to various control elements.

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Note the funny delay line above.

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