Telecommunication Copper Cables - PENGG KABEL GmbH
Telecommunication Copper Cables - PENGG KABEL GmbH
Telecommunication Copper Cables - PENGG KABEL GmbH
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Basic Formulas of <strong>Telecommunication</strong> Technique<br />
Basic formulas for homogeneous, symmetrical cables<br />
Impedance (amount) at low frequencies<br />
(voice frequency)<br />
(Ω)<br />
Attenuation at low frequencies<br />
(voice frequency)<br />
(Np/km)<br />
(dB/km)<br />
Impedance (amount) at high frequencies (ω L>R)<br />
(Ω)<br />
L inductivity (H/km)<br />
C mutual capacitance (F/km)<br />
Attenuation at high frequencies (w L>R)<br />
R loop resistance (Ω/km)<br />
G conductance (S/km)<br />
(Np/km)<br />
<strong>Telecommunication</strong> <strong>Copper</strong> <strong>Cables</strong> • 09/2012 • © by <strong>PENGG</strong> <strong>KABEL</strong> <strong>GmbH</strong> • Subject to technical alterations 51
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