TY - GEN
T1 - Design of CMOS LED driver and optical receiver for 650-nm POF applications
AU - Park, Kang Yeob
AU - Oh, Won Seok
AU - Choi, Woo Young
PY - 2009
Y1 - 2009
N2 - In this paper, LED driver and optical receiver for 650-nm plastic optical fiber (POF) applications are designed and implemented using 0.5-μm CMOS technology. In LED driver, modulation current has to be arranged in 3 to 4-mA to meet eye protection regulations in visible red wavelength (650-nm). To apply for low cost POF applications, simple and low cost LED driver is proposed. LED driver is designed to operate at 50-Mb/s bit rates and consumes only 6-mA DC currents including modulation current of 3.5-mA. In the receiver side, two methods of auto-threshold control technique will be introduced and compared. The designed optical receiver achieves transimpedance gain of 145-dBΩ, 50-Mb/s operations with 45-MHz bandwidth for 4-pF photodiode parasitic capacitance. And proposed optical receiver guarantees digital level output swing against the range of incident photo current from 200-nA to 25-uA and the range of operating frequency from DC to 50-Mb/s. Receiver chipset consumes only 10-mW from a 3.3-V single supply.
AB - In this paper, LED driver and optical receiver for 650-nm plastic optical fiber (POF) applications are designed and implemented using 0.5-μm CMOS technology. In LED driver, modulation current has to be arranged in 3 to 4-mA to meet eye protection regulations in visible red wavelength (650-nm). To apply for low cost POF applications, simple and low cost LED driver is proposed. LED driver is designed to operate at 50-Mb/s bit rates and consumes only 6-mA DC currents including modulation current of 3.5-mA. In the receiver side, two methods of auto-threshold control technique will be introduced and compared. The designed optical receiver achieves transimpedance gain of 145-dBΩ, 50-Mb/s operations with 45-MHz bandwidth for 4-pF photodiode parasitic capacitance. And proposed optical receiver guarantees digital level output swing against the range of incident photo current from 200-nA to 25-uA and the range of operating frequency from DC to 50-Mb/s. Receiver chipset consumes only 10-mW from a 3.3-V single supply.
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U2 - 10.1109/ISCIT.2009.5341069
DO - 10.1109/ISCIT.2009.5341069
M3 - Conference contribution
AN - SCOPUS:74549142948
SN - 9781424445219
T3 - 2009 9th International Symposium on Communications and Information Technology, ISCIT 2009
SP - 1375
EP - 1380
BT - 2009 9th International Symposium on Communications and Information Technology, ISCIT 2009
T2 - 2009 9th International Symposium on Communications and Information Technology, ISCIT 2009
Y2 - 28 September 2009 through 30 September 2009
ER -