Re: The reason for Tek delay lines


stevenhorii
 

Did any company use magnetostrictive delay lines in scopes or was the early
use for computer memory?

Steve Horii

On Wed, Feb 3, 2021, 08:30 cmjones01 <chris@stumpie.com> wrote:

On Wed, Feb 3, 2021 at 12:33 AM John Williams <books4you4@mail.com> wrote:

As far as I know coax was never used in any delay lines inside Tektronix
scopes.

The Tek 7912AD here on my desk uses a coax delay line. It really is
just two pieces of coax (one blue, one blue with a black stripe, if I
remember correctly) coiled up at one side of the instrument. I
understand that it's the limiting factor (apart from the vertical
amplifier plugin) on the system's bandwidth, which I've measured in
this case at about 700MHz.

Chris





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