• WARNING: Tube/Valve amplifiers use potentially LETHAL HIGH VOLTAGES.
    Building, troubleshooting and testing of these amplifiers should only be
    performed by someone who is thoroughly familiar with
    the safety precautions around high voltages.

Any one tried to use subminiature for input tubes?

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PRR said:
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Obviously they don't survive the warhead explosion; by then their evil work would be done.

When the great aerospace-defence boom of the eearaly 1980's was getting under-way, I remarked to one our the analysts that worked with me that even the newest MIG's were still (according to Janes) using tubes in their communication gear. He remarked that the tubes were automatically and easily "pre-rad-hardened", cheap and reliable, unlike the "sand-state" (your term, not his) devices which were going into the new F16's and F18's. It's the electromagnetic wave following the "boom" which kills the ability to communicate.
 
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