Cisco Prisma 1310 nm DFB Reverse Transmitter for Model 6920 Node Fiche De Données

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Prisma 1310 nm DFB Reverse Tx for Model 6920 Node 
 
2
 
 
Block Diagram 
 
Status Monitor Input
Transmitter
Module RF Input
RF Test Point
(-20 dB relative to RF Input)
6920 1310 nm DFB Transmitter
Plug-in
Pad
20 dB
Coupler
20 dB
Coupler
 
 
 
Specifications 
 
Parameter 
Unit 
Specification 
Notes 
Wavelength 
nm 
1310 +/- 20  
 
Pass Band 
MHz 
5 – 200 
 
Frequency Response 
dB 
+/- 0.5  
Input Return Loss 
dB 
16 
 
Optical Test Point 
V DC 
1V/mW (+/- 10%) 
 
Optical Output Power 
mW 
dBm 
2.0 
3.0 
 
Test Point Level 
dB 
-20 
Test Point Return Loss 
dB 
16 
 
Single CW RF Carrier Input Level for 100% OMI 
dBmV 
60 
Noise Power Ratio Performance 
 
See plot 
See plot 
 
Notes: 
1.  Frequency response for transmitter module only.  Does not include the frequency response contribution of optical 
receiver. 
2.  This is the RF level that produces 100% composite Optical Modulation Index (OMI) at room temperature.  This is used for 
reference purposes only and is NOT the recommended RF drive level.  Consult with Scientific-Atlanta’s Applications 
Engineering group in order to determine the appropriate RF drive level for a particular application. 
3.  The RF level measured at the transmitter module’s RF input is 20 dB above the level measured at the RF test point; i.e. 
the test point is 20 dB below the RF input level.