༱ (Coaxial
Line)
Coaxial
Line Calculator Coaxial
Line
ü ߽ɵü
ܺεü
߿ factor ȴ.
-
ڵ
I-Laboratory 龾 ּ̽ϴ -
- ϴ ༱ ( r
, a, b ) ԷѴ - (1) Analyze ش Ư
Ǵ(Zo) ش. - (2), ϰ ϴ ƯǴ
(Zo) Է , a b
b a ִ. - ijнϽ(C)
δϽ(L),
ӵ(Vp), ð(td) (1),(2) Բ ڵȴ.
Equation Coaxial
Line ϰ Ȯؼ, Ȯ ̴.
ƯǴ (Characteristic impedance)
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ijнϽ & Ͻ (Parasitic Capacitance
& Inductance) ¿ ϴ C,
L ־ IJ üũؾ Ǿ Ѵ. ̷
ڰ ༱ ̴ C,L ǵȴ. (pF/m ,
nH/m)
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ӵ (Phase Velocity) ༱ ü TEM İ
ϱ , ߿ ª ӵ .
.
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ð (Time Delay) ༱θ ȣ ȣð.
ش ̴ ð ǵǸ, ΰ Ǿ
̴.
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(Attenuation Constant) ü ս c (Conduction
loss), ü tan d (Dielectric
loss) ΰ Ѵ. (⼭ ļ f GHz̴)
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(Cutoff wavelength for higher order modes) TEM
̻ 忡 ȣ ܵǴ ν, ߿䵵
.
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ִ ũ (Maximum peak power) ༱ ȭ ִ
ִ. (Emax : break down electric field)
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Coaxial
Line
Ư¡ ༱
strip ο , TEM mode ϱ ε Ȯ
ظ ִ.
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༱
״ '' · RF Ϲ
̺ ֿȴ. Ϲ ༱ 50 Ư Ǵ
, ̺TV TV׳ ̿Ǵ Ϲ
BNC ༱ ̺ 75 Ѵ. ༱ Ǵ
ݼü ũ 3 · еȴ. ̰ ᱹ ༱ (
) ۼ h 3 ȴ.
Type
|
Ư¡
|
Flexible
|
ܰü
·, ü Ǿ ϰ(flexible)ϰ
ΰ ־ ϰ ٷ ִ. ٸ ̷ flexible
Ư ǿ Ҹϱ ,
rigid ۼս ū̴.
̳ Ϲ ༱δ ϰ
Ǵ Ÿ̴.
|
Semi-Rigid
|
ü, ݼӸ簡 ƴ ݼӰ
ܰü Ͽ, ϸ ΰ
ֵ ༱. flexible ս
Ư ϸ, ٰ ʿ
ణ ʿ ϴ.
|
Rigid
|
ü ݼӰ ݼ Ͽ, Ư
ְų ų ༱.
־
ؾ ϴ.
|
༱
ݺ
Coaxial
Line
EM
simulation ༱
EM ؼ 3 EM simulator ؼ ѵ, ༱
Ϳ Ư 츦 ϰ ༱ ü ؼؾ
幰. Ϲδ İ̳ ġ׳ ġ Ǿ
ؼǰ ȴ. ༱ port ټ Ǹ ←
ϴµ, ڱȣ ܺεü ߽ɵü ̿
ϱ , ü port Ǹ ȴ.
(Ʒ Microwave Studio ༱ Ʈ ΰ ̴)
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