PWRLink™ II 4100S Series Optical Transmitter Product Manual Rev A (3/06)
A–1
Appendix A
Technical Specifications
A.1 Link
Performance
Carrier-to-Noise (CNR): See Figure A-1
Carrier-to-CSO: >64 dB
1,2
Carrier-to-CTB: >69 dB
1,2
In Figure A-1, CNR and optical fiber loss are plotted against each other
for PWL 4100S series transmitters with 80 NTSC (System M) channels
1,3,4
running.
Figure A-1. CNR vs. optical fiber loss
1.
Channel loading: 80 unmodulated System M (NTSC) channels up to 550 MHz and 450 MHz
digital at -6 dBc.
2.
Performance expected at +25˚ C. For operation over entire temperature range, subtract 3 dB from
CSO and 2 dB from CTB.
3.
Optical link defined as PWRLink II trans 100% fiber link + HRM 3811 receiver.
4.
When the link includes optical splitter loss, add 0.15 dB to CNR for every
1 dB of splitter loss.
