Main Parameters » History » Version 17

HAENNIG, Gerald, 12/13/2015 10:55 PM

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h1. 2.3 Main Parameters 
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This part lists the main specifications and highlights the main parameters to compare an optical link with a coaxial cable
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h2. 2.3.1 Optical link
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The optical link consists of :
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* Optical transmitter OTX1910 : it modulates the intensity of the optical 1320 nm wavelength with the RF input signal ;
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* Monomode fiber 9/125 OS2 (to avoid dispersion effect) to optical signal on a distance up to 10 kilometers ;
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* Optical Receiver ORX1900 : it detects optical wavelength intensity modulation and outputs the RF modulating signal.
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*Optical transmitter OTX1910*
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|_. Optical transmitter OTX1910	|_. min	|_. typ	|_. max	|_. Unit |_. comments |
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|Supply |=. 9 |=. 12 |=. 14 |=. V |=.  |
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|Current consumption |=. - |=. - |=. 450 |=. mA |=.  |
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|RF Input Connector |\3=. 75 Ohm F-type |=.  |=.  |
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|RF Return Loss |=. 14 |=. - |=. - |=. dB |=. |
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|RF Maximum Input Level |=. - |=. - |=. 15 |=. dBm |=.  |
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|RF Input Dynamic Range |=. -65 |=. - |=. -10 |=. dBm |=.  |
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|RF Input Frequency |=. 700 |=. - |=. 2300 |=. MHz |=.  |
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|Optical Connecctor |\3=. LC/PC single mode |=.  |=.  |
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|Optical signal wavelength |=. - |=. 1310 |=. - |=. nm |=.  |
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|Optical power level |=. - |=. 1 |=. - |=. dBm |=.  |
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*Fiber Monomode 9/125 OS2 (G.652.D ITU-T compliant), low dispersion at 1320 nm*
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|_. Fiber Optic |_. min	|_. typ	|_. max	|_. Unit |_. comments |
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| Optical Loss  |=. - |=. 0.3 |=. - |=. dB/km |=. 1320 nm |
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*Optical receiver  ORX1900*
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|_. Optical receiver  ORX1900 |_. min	|_. typ	|_. max	|_. Unit |_. comments |
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|Supply |=. 9 |=. 12 |=. 14 |=. V |=.  |
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|Current consumption |=. - |=. 240 |=. - |=. mA |=. |
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|Optical Input Connector |\3=. LC/PC single mode |=.  |=.  |
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|Optical input  signal wavelength range |=. 1270 |=. 1310 |=. 1610 |=. nm |=.  |
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|Optical input signal level range |=. -6 |=. - |=. 4 |=. dBm |=.  |
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|RF Output  Connector |\3=. 75 Ohm F-type |=.  |=.  |
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|RF Input Frequency |=. 700 |=. - |=. 2300 |=. MHz |=.  |
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*Optical link with fiber length of 1 m*
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|_. Optical link with fiber length of 1 m |_. min	|_. typ	|_. max	|_. Unit |_. comments |
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|Noise Figure |=. - |=. - |=. 31 |=. dB |=.  |
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|Carrier to Noise Ratio |=. 55 |=. - |=. - |=. dB |=. Pin=-13 dBm, Fiber=1 m |
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|SFDR |=. 102 |=. - |=. - |=. dB/Hz2/3 |=. Pin=-13 dBm, IM3=50 dBc|
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|IIP3 |=. 12 | - |=. - |=. dBm |=. Pin=-13 dBm, IM3=50 dBc|
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h2. 2.3.2 Coaxial cable