Fibre Optic Transmitter and Receiver
Modules Type FOXO/T- & FOXO/R-
Features
•
•
•
•
•
Fast rise time, high coupled power
GaAIAs transmitter.
High responsivity wide bandwidth
transimpedance amplifier receiver.
Actively aligned within device
receptacle for optimum performance.
ST and SMA connector compatible.
PCB or panel mountable.
Application
•
High speed fibre optic communication
links.
Fibre Optics
Recognising the demand for more and more fibre based systems, Oxley has
developed a range of interconnection devices over recent years to cover the
complexities of routing fibre optic cables within equipment cabinets.
The range includes multiway fibre-to-fibre and fibre-to-component
connectors to suit any number of possible configurations for use on
backplanes and bulkheads. Mating with the de facto industry standard
connectors such as SMA, ST and FC/PC connections with up to 4 (or greater
if required) LEDs, laser diodes, photodiodes or photoreceivers can be made
simultaneously. They tend to be best suited for use in test and
telecommunications equipment where it is either more practical or
aesthetically pleasing to route the fibre cabling behind the backplane thus
protecting against accidental damage often associated with front mounted
components.
Also in the range are standard metal bodied single way transmitter and
receiver modules for bulkhead and PCB mounting.
All Oxley fibre optic devices provide the lowest insertion loss in the highest
quality brackets and housing, bespoke solutions are our strength and our
customers find that Oxley devices make fibre optics easy.
www.oxleygroup.com/interconnect
ODC: SMFIL: 40566/2-10/2000
Oxley Inc.
Email:
sales@oxleyinc.com
TEl: (203) 488 1033
Oxley UK
Electronics Components Division
Email:
sales@oxley.co.uk
Tel: +44 (0)1229 582621
59
Fibre Optic Transmitter and Receiver
Modules Type FOXO/T- & FOXO/R-
Electrical/Optical Characteristics
Parameter (Unit)
Symbol Min.
Typ Max. Conditions Notes*
(4)
1.90 if = 30 mA
if = 30 mA
Vf = 0 V
f = 1 MHz
Fig 1
Fig 1
2
2
Fig 3
if = 50 mA
3&5
0.6
55
260
820
-10
-13.5
-16.5
-
0.00
5
4.0
6.5
Forward Voltage (V) Vf
Temperature
Coefficient (mV/°C)
Diode Capacitance
(pF)
Vf/T
CT
1.30 1.48
Thermal Resistance
θ
(°C/W)
Peak Emission
Wavelength (nm)
Coupled Power
(dBm)
λ
p
P
T
100
P
T
62.5
P
T
50
P
T
/T
Optical Power
Temperature
Coefficient (dB/°C)
Rise/Fall Time (ns)
if = 30 mA
3
tr, tf
if = 60 mA
no pre-bias
Absolute Maximum Ratings
Parameter (Unit)
Storage Temperature (°C)
Operating Temperature (°C)
Lead Soldering
Temperature (°C)
Cycle Time (sec)
Forward Input Current (mA)
Reverse Input Voltage (V)
Symbol
Ts
Ta
Min.
-55
-40
Max.
85
85
260
10
Notes*
Ifpk
Ifdc
Vbr
200
100
1.8
1
Notes
1. For Ifpk = 200 mA, the time duration should not exceed 2 ns.
2. Thermal resistance is measured with the transmitter coupled to a
connector assembly and mounted on a pcb.
3. PT is measured with a large area detector at the end of 1 m cable with
polished fibre ends.
4. Typical data at 25 °C.
5. 100/140
NA = 0.29
GI Fibre
62.5/125
NA = 0.275
GI Fibre
50/125
NA = 0.2
GI Fibre
60
www.oxleygroup.com/interconnect
ODC: SMFIL: 40566/2-10/2000
Oxley Inc.
Email:
sales@oxleyinc.com
Tel: (203) 488 1033
Oxley UK
Electronics Components Division
Email:
sales@oxley.co.uk
Tel: +44 (0)1229 582621
Fibre Optic Transmitter and Receiver
Modules Type FOXO/T- & FOXO/R-
Forward Voltage Against Current
(Fig 1)
Normalised TX Output Against
Forward Current (Fig 2)
Transmitter Spectrum
Normalised to the Peak at 25 °C
(Fig 3)
www.oxleygroup.com/interconnect
ODC: SMFIL: 40566/2-10/2000
Oxley Inc.
Email:
sales@oxleyinc.com
TEl: (203) 488 1033
Oxley UK
Electronics Components Division
Email:
sales@oxley.co.uk
Tel: +44 (0)1229 582621
61
Fibre Optic Transmitter and Receiver
Modules Type FOXO/T- & FOXO/R-
Electrical/Optical
Characteristics
Parameter (Unit)
Responsivity
(mV/µW)
RMS output noise
voltage (mV)
Symbol Min. Typ
(1)
Rpac
2.3 4.9
Vno
Max.
Conditions
Notes*
2
3&4
Fig 6
Equivalent optical
noise input power
(RMS) (dBm)
Peak input power
(dBm)
Output impedance
(ohms)
d.c output voltage
(V)
Power supply
current (mA)
Rise/fall time
(10-90%) (ns)
Pn
Pr
Zo
at 820 nm 50
MHz
0.44 0.57 Bandwidth
filtered at 25
MHz Input
power =
20µW
-39.3 -36.1 BandWidth
filtered at 25
MHz
7.6
Test
frequency =
50 MHz
Input power
= 0µW
R
L
infinite
Input power
= 100 µW
Pulse width
= 100 ns
Input power
= 150µW
peak
Pr = 50 µW
peak, tropt =
1.5 ns
-3 dB elec
1 MHz
3
5
Fig 5
25
Vodc
Iee
tr, tf
-4.2
-3.1
9
3.3
-2.4
15
6.3
Fig 4
Pulse width
distortion (ns)
Overshoot (%)
PWD
0.4
2.5
6
Fig 6
7
<2
Bandwidth (elec)
(MHz)
Power supply
rejection ratio (dB)
BWe
PSRR
125
20
8
Test Conditions
Absolute Maximum Rating
-5.45 V <Supply Voltage <-4.75 V, Rload = 511 ohm, CL = 5 pF
Fibre: 1m 62.5/125 GI, LED source unless otherwise stated.
Parameter (Unit)
Storage Temperature (°C)
Operating Temperature (°C)
Lead Soldering
Temperature (°C)
Cycle Time (sec)
Signal Pin Voltage (V)
Supply Voltage (V)
Output Current (mA)
Vsig
Vcc -Vee
Io
- 0.5
- 0.5
Symbol
Ts
Ta
Min.
- 55
- 40
Max.
85
85
260
10
Vcc
6.0
50
10
Notes
62
www.oxleygroup.com/interconnect
ODC: SMFIL: 40566/2-10/2000
Oxley Inc.
Email:
sales@oxleyinc.com
Tel: (203) 488 1033
Oxley UK
Electronics Components Division
Email:
sales@oxley.co.uk
Tel: +44 (0)1229 582621
Fibre Optic Transmitter and Receiver
Modules Type FOXO/T- & FOXO/R-
Notes
1.
2.
3.
4.
5.
6.
7.
8.
9.
Typical data at 25
°
C and Vee = 5.2 Vd.c.
Vout should be a.c. coupled to a 511 ohm load. Load capacitance must
not exceed 5 pF.
Measured with a 3 pole Bessel filter with a 25 MHz, -3 dB bandwidth.
Measured with a HP304C RMS Voltmeter.
Overdrive is defined at PWD = 2.5 ns.
Measured with a 10 ns pulse width, 50% duty cycle, at the 50%
amplitude point of the waveform.
Percent overshoot is defined as: (Vp - V100%) / V100% * 100%.
Output referred PSRR is defined as 20 log (V power supply ripple/
Vout ripple).
A 10 ohm resistor must be connected between Vee and the power
supply and a 0.1 microfarad bypass capacitor be connected between
the power supply and ground.
2.0 mm (0.079") from where leads enter case.
10.
Typical Rise and Fall Times
(Fig. 4)
Typical Pulse Width Distortion
(Fig. 5)
www.oxleygroup.com/interconnect
ODC: SMFIL: 40566/2-10/2000
Oxley Inc.
Email:
sales@oxleyinc.com
TEl: (203) 488 1033
Oxley UK
Electronics Components Division
Email:
sales@oxley.co.uk
Tel: +44 (0)1229 582621
63
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