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George Frye: Difference between revisions
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George writes: | George writes: | ||
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“But then realized that | “But then realized that an NSA project I worked on while going for my MSEE at KU showed the way to generate real time sampling pulses at very high frequencies. | ||
Just use a klystron. Velocity modulate the beam at the desired sampling frequency and then place a catch electrode at the point where the electrons combine in pulses at the modulating frequency. Klystrons usually place a cavity there to collect the amplified RF signal. | Just use a klystron. Velocity modulate the beam at the desired sampling frequency and then place a catch electrode at the point where the electrons combine in pulses at the modulating frequency. Klystrons usually place a cavity there to collect the amplified RF signal. | ||