Page 1
2.
2.
3.
Features
High speed optical data transmission
Signal transmission speed
DC to
(NRZ signal)
Uni-directional fiber optics using APF*
*APF
All plastic Fiber
High resistance to noise
GP1 F40T1
Transmitting unit
GP1
Receiving unit
GP1C251
Plastic fiber cable (lm)
Copiers
Laser beam
Equipments
printers
with microcomputer
■
Absolute Maximum Ratings
Dimensions
Type Plastic Hber
Built-in Amp.
(Unit
mm)
F40T1 /GP1 F40R1
8.6
1.1 -
❑
P’P
-
-,-(0.25)
-38_573-
6.9
(Lead root
Internal equivalent circuit
Transmitting unit
unit
LED
Driver “
2
‘-”
3
.—— ———. ——. ——
3
Vin
Vcc
GND
LED :
Driver
:
GP 1 C2
i
3
GND
1.
—
Vout
light detector
Parameter Symbol Rating
Unit
Supply voltage
–0.5
Output current
GP1
101.
Input voltage
Storage temperature
T.,. –30 to +80
Operating temperature
o to
‘c
1048
Page 2
GPlF40Tl/GPlF40Rl
Recommended Operatiq
Parameter Symbol
Remarks
MIN. MAX. Unit
Supply voltage
High level
2.0
v
input voltage
level
input voltage
o
Operating transfer rate To
NRZ signal
0.1
25
Mbps
duty raito 50%
Parameter Symbol
Conditions
MIN. TYP.
MAX.
Unit
Peak emission wavelength
—
660
nm
*
i
Refer to F
Supply current
Refer to F,5.
I
. .
I
Low +High delay time
—
Refer to Fig. 3
80
ns
Low delay time
‘ig. 1
— —
25
I
I
Optical power output
Refer to
– 12
–9 –6 dBm
High level input current
0.4
v
Low level input current
111.
–
–1.6 v
Pulse width distortion
tw
Refer to Fig. 3
30
70
%
Minimum receiver input
optical power level
— —
–15 dBm
Maximum receiver input
optical power level
–5.5 – –
dBm
>
High level output voltage
Refer to Fig. 2
2.7
—
—
v
Low
output voltage
—
0.4
v
output rise time
tr
—
—
20
ns
Output fall time
—
10
ns
Pulse width distortion
tw
Refer to Fig. 3
30 70
%
\Vhcn input is
level
■ @tical Characteriab
(Ta
Parameter Symbol MIN.
TYP.
Unit
Output coupling
with fiber
–17 –
—
dBm
Refraction ratio
l-l Steo index
I
Note) 1. Standard light transmitter
Light transmitter that provides the fiber end light output of –
~
when
the standard optical fiber cable is connected.
Measuring system block diagram
Shown in Fig.
■
Parameter
Symbol
Conditions
MIN.
TYP.
MAX.
Unit
force,
—
6
40
withdrawal force
—
N
Initial value when GPl F40T1/GPl F40Rl is used
1049
Page 3
GPlF40Tl/GPlF40Rl
Fiber optic cable (GP1
ML-93B
Calibration
OdBm =
Fiber optic cable (GP1C251)
Input
:
Mbps
Q,
OkO, Cp=2pF
Cp:lncluding probe load)
1050
Page 4
GPlF40Tl/GPlF40Rl
3 Transfer
Transmitting
unit
5V
0.1
Vin
(NW,
GND
Wtic cable (GPIC251
Vcc
5V
0.1
Vo
GND
: Including
load)
3V
i-
1
.5V
Transmitting
waveform
Ov
:25Mbps,
.
“-4
unit
waveform
refer to the chapter “Precautions for Use” (Page 78 to 93)
1051
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