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 Fiber Optic Transmitter
Features
1.Uni-directional data transmission using plastic fiber 2.Signal transmission speed :MAX. 13.2Mbps (NRZ signal) 3.Operating voltage :2.75 to 5.25 V 4.TTL and high speed C-MOS LOGIC IC compatible
MOF-T3C6
Outline Dimensions
Recommended drilling as viewd from the soldering face
!"
NOTES: Tolerance is 0.3mm unless otherwise noted.
Absolute Maximum Ratings
Parameter Supply voltage Input voltage Operating temperature Storage temperature Soldering temperature *1
*1 For 5s (2 times or less)
@TA=25oC
Symbol Vcc Vin Topr Tstg Tsol Rating -0.5 to + 7.0 -0.5 to Vcc +0.5 -20 to +70 -30 to +80 260 Unit V V
o o
C C o C
REV: A3
Unity Opto Technology Co., Ltd.
04/25/2002
1/4
Fiber Optic Transmitter
MOF-T3C6
Recommended Operating Conditions Parameter Operating supply voltage Operating transfer rate
Symbol Vcc
T
MIN. 2.75 ---
TYP. -----
MAX. 5.25 13.2
Unit V Mbps
Electro-Optical Characteristics Parameter Peak emission wavelength Optical power output coupling with fiber Dissipation current High level input voltage Low level input voltage Low /High delay time High /Low delay time Pulse width distortion
Symbol p Pc Icc ViH ViL tpLH tpHL tw
Conditions Refer to Fig. 1 Refer to Fig. 2 Refer to Fig. 2 Refer to Fig. 2 Refer to Fig. 3 Refer to Fig. 3 Refer to Fig. 3
MIN. 630 -21 --2.1 -------15
TYP. 660 -18 8 ----100 100 ---
MAX. 690 -15 13 Vcc 0.8 180 180 +15
Unit nm dBm mA V V ns ns ns
REV : A3
Unity Opto Technology Co., Ltd.
04/25/2002
2/4
Fiber Optic Transmitter
MOF-T3C6
Fig. 1 Measuring Method of Optical Output Coupling with Fiber
Standard optical fiber cable MOF-T3C6 Unit to be measured
Vin VCC
Optical power meter
GND
The optical power meter must be calibrated to have the wavelength sensitivity of 660 nm. ( 0dBm=1mW )
D
VCC
Notes (1)Vcc=5.0V (State of operating) (2)To bundle up the standard fiber optic cable, make it into a loop with the diameter D=10cm or more.
Fig. 2 Measuring Method of Intput Voltage and Supply Current
Standard optical fiber cable MOF-T3C6 Unit to be measured
Vin
VCC
GND
The optical power meter must be calibrated to have the wavelength sensitivity of 660 nm. ( 0dBm=1mW )
Vin
Icc
VCC
Input conditions and judgement method
Conditions Vin=2.1V or more Vin=0.8V or less
Note: Vcc=5.0V (State of operating)
Judgement method -21dBm<=Pc<=-15dBm, Icc=13mA or less Pc<=-36dBm, Icc=13mA or less
REV : A3
Unity Opto Technology Co., Ltd.
04/25/2002
3/4
Fiber Optic Transmitter
MOF-T3C6
Fig.3 Measuring Method of Pulse Response
Standard optical fiber cable MOF-T3C6 Unit to be measured
VCC Vin GND
Standard receiver
Output signal
Oscilloscope
VCC CH1 CH2
Input
Input signal
1 1 0 0
50%
6.6Mbps biphase PRBS signal Standard receiver output
t PLH
t PHL
50%
Test item
Test item Low /High pulse delay time High /Low pulse delay time Pulse width distortion
Symbol
Test condition
t PLH Refer to the above prescriptions t PHL Refer to the above prescriptions tw tw=t PHL- t PLH
Notes
(1) The waveform write time shall be 4 seconds. But do not allow the waveform to be distorted by increasing the brightness too much. (2 ) Vcc=5.0 V (State of operating) (3) The probe for the oscilloscope must be more than 1M and less than 10pF.
REV : A3
Unity Opto Technology Co., Ltd.
04/25/2002
4/4


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