Gentlemen,
I'm trying to source a book specifically on this subject. Almost from
the day the EM sine wave was discovered, ingenious people have been
striving to convey ever increasing dv/dt signals over networks as the
demand for higher and higher frequencies arose. I'm interested in how
the early pioneers in this field were able to overcome the speed
issues they faced with the clunky and primitive components they had to
work with in the early days. Suggestions for any books which are
reasonably easy to find on this subject would be welcome.
Thanks,
CD.
PS - I'm old enough to remember the days when we would disassemble
xtals (they *were* disassemble-able many years ago) and abrade them
down to diaphanous wafers using a glass sheet and scouring powder in
the quest for a few more Khz!
On Sun, 21 Jan 2024 10:23:28 +0000, Cursitor Doom <cd@notformail.com>
wrote:
Gentlemen,
I'm trying to source a book specifically on this subject. Almost from
the day the EM sine wave was discovered, ingenious people have been >>striving to convey ever increasing dv/dt signals over networks as the >>demand for higher and higher frequencies arose. I'm interested in how
the early pioneers in this field were able to overcome the speed
issues they faced with the clunky and primitive components they had to
work with in the early days. Suggestions for any books which are
reasonably easy to find on this subject would be welcome.
Thanks,
CD.
PS - I'm old enough to remember the days when we would disassemble
xtals (they *were* disassemble-able many years ago) and abrade them
down to diaphanous wafers using a glass sheet and scouring powder in
the quest for a few more Khz!
The people who built telegraphs didn't understand transmission lines.
The first transatlantic telegraph cable was crazy slow.
https://en.wikipedia.org/wiki/Transatlantic_telegraph_cable#Communication_speeds
Some equilization helped.
The first long-distance telephone lines had a similar problem.
Periodic "loading coils" improved bandwidth. When I was a kid, used 88
mH toroidal loading coils could be had cheap, so I played with them.
https://en.wikipedia.org/wiki/Loading_coil
Fast modern busses, like PCIe, wouldn't work without massive adaptive >equilization. The signals look like noise after a few inches of pcb
trace and connectors.
I remember the big WWII surplus crystals that you could take apart
with a screwdriver. I had access to a shed full of stolen WWII radio
gear, and they were mysterious to me.
On Sun, 21 Jan 2024 09:45:25 -0800, John Larkin <jl@997PotHill.com>
wrote:
On Sun, 21 Jan 2024 10:23:28 +0000, Cursitor Doom <cd@notformail.com> >>wrote:
Gentlemen,
I'm trying to source a book specifically on this subject. Almost from
the day the EM sine wave was discovered, ingenious people have been >>>striving to convey ever increasing dv/dt signals over networks as the >>>demand for higher and higher frequencies arose. I'm interested in how
the early pioneers in this field were able to overcome the speed
issues they faced with the clunky and primitive components they had to >>>work with in the early days. Suggestions for any books which are >>>reasonably easy to find on this subject would be welcome.
Thanks,
CD.
PS - I'm old enough to remember the days when we would disassemble
xtals (they *were* disassemble-able many years ago) and abrade them
down to diaphanous wafers using a glass sheet and scouring powder in
the quest for a few more Khz!
The people who built telegraphs didn't understand transmission lines.
The first transatlantic telegraph cable was crazy slow.
https://en.wikipedia.org/wiki/Transatlantic_telegraph_cable#Communication_speeds
Some equilization helped.
The first long-distance telephone lines had a similar problem.
Periodic "loading coils" improved bandwidth. When I was a kid, used 88
mH toroidal loading coils could be had cheap, so I played with them.
https://en.wikipedia.org/wiki/Loading_coil
Fast modern busses, like PCIe, wouldn't work without massive adaptive >>equilization. The signals look like noise after a few inches of pcb
trace and connectors.
I remember the big WWII surplus crystals that you could take apart
with a screwdriver. I had access to a shed full of stolen WWII radio
gear, and they were mysterious to me.
Those *were* interesting articles for sure. I'm just looking for a
book on the subject, though. Planar Microwave Engineering does have a
fair bit of historical context and development in it, but isn't
specifically devoted to the historical aspects. The search goes on....
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