DATASHEET
|
JULY 8, 2004
Microwave PIN Photodiode Receivers
The Ortel family of microwave photodiode receivers is ideally suited for
use in analog fiber-optic communications. With their wide bandwidth
and flat response, these devices are used in a wide array of
applications, including antenna remoting, timing and reference signal
distribution, measurement, delay lines, and two-way communications.
Several packaging styles are available for these microwave
photodiodes. The most basic package, the photodiode module, contains
the photodiode chip, optical fiber pigtail, and impedance-matched
electrical connections in a hermetically sealed unit. Of particular note is
the high optical return loss, which enables high-quality noise
performance for sensitive optical links.
Applications
Antenna Remoting
Cellular and PCS networks
Military triband
communications
Tracking, Telemetry and
Control (TT&C)
In most cases, the basic photodiode module is integrated into a
complete receiver, packaged either as a flange-mount for extreme
environments, or as a plug-in for integration with Ortel’s System 10000
rack-mountable chassis and power supplies. Electronics within flange-
mount and plug-in receivers bias the photodiodes and monitor the dc
level of the optical input power, thus providing a fully integrated
microwave product.
Features
High dynamic range
Long distance
communications
10 MHz to 20 GHz bandwidth
Dual 1310 nm/1550 nm
window
Y2K compliant, CE certified
Performance Highlights
Min
Wavelength
Optical Input Power
Standard
High Power
Total Operating Current
Standard
High Power
Temperature Range
Frequency Range
1290
-
-
-
-40
10
Typical
-
-
-
-
-
-
Max
1580
2
15
100
+65
20000
Units
nm
mW
mW
mA
°C
MHz
See following pages for complete specifications and conditions.
For more information on this and other products:
Contact Sales at Ortel 626-293-3400, or visit www.emcore.com.
Microwave PIN Photodiode Receivers
DATA SHEET| JULY 8, 2004
Absolute Maximum Ratings
Stresses in excess of the absolute maximum ratings can cause permanent damage to the device. These are
absolute stress ratings only. Functional operation of the device is not implied at these or any other conditions in
excess of those given in the operational sections of the data sheet. Exposure to absolute maximum ratings for
extended periods can adversely affect device reliability.
Parameter
Operating Temperature Range of Baseplate:
Module and Flange Mount
Plug-in
Storage Temperature
Module and Flange Mount
Plug-in
Optical Input Power
2510A/B, 2515A/B, 2516A/B/C
2518A/B
dc Current
2510A/B, 2515A/B, 2516A/B/C
2518A/B
Symbol
T
OP
Condition
continuous
Min
-40
0
-40
-20
-
-
-
Max
+65
+50
+85
+65
2.5
16
2
12
Units
°C
°C
°C
°C
mW
mW
mA
mA
T
STG
-
P
IN
-
I
DC
-
Electrical/Optical Characteristics
Optical
Parameter
Model Number
Module
Flange-mount Rx
Plug-in Rx
dc Responsivity
at 1310 nm, 25°C
at 1550 nm, 25°C
RF Receiver Efficiency (typ) at 1 GHz
2
at 1310 nm
at 1550 nm
Optical Return Loss
3
Optical Input Power
Pigtail Fiber Type (where applicable)
2 mW
2 mW
2510A/B
4510A/B
1
10450A/B
1
>0.75 A/W
>0.85 A/W
>0.38
>0.42
1
Specifications
2515A/B
4515A/B
1
10455A/B
1
>0.75 A/W
>0.85 A/W
>0.38
>0.42
1
2516A/B/C
4516A/B/C
1
10456A/B/C
1
>0.65 A/W
>0.75 A/W
>0.33
>0.38
>45 dB
2 mW
1
2518A/B
4518A/B
10458A/B
>0.70 A/W
>0.80 A/W
>0.35
>0.40
15 mW
>1 m, 9
µm/125 µm
single-mode SMF-28
4
or equivalent
1. Specified for < 2mW optical power, < 50% modulation depth
2. The photodiode RF current splits evenly between the internal matching resistor and the external load.
(See Ortel’s, System Designer’s Guide to RF and Microwave Fiber Optics)
3. Optical return loss specified for APC connectors or fusion splices only. Other connection methods can degrade optical return loss.
4. SMF-28 is a trademark of Corning Incorporated.
For more information on this and other products:
ORTEL, A division of EMCORE
Contact Sales at Ortel 626-293-3400, or visit www.emcore.com.
Microwave PIN Photodiode Receivers
DATA SHEET| JANUARY 13, 2004
RF Characteristics
Parameter
Model Number
Module
Flange-mount Rx
Plug-in Rx
Maximum Frequency
A
B
C
Minimum Frequency
Output Coupling
Amplitude Flatness
1
Output VSWR
2.0:1
2.5:1
Output Impedance
1. Relative to value at 1 GHz
Specifications
2510A/B
4510A/B
10450A/B
3 GHz
6 GHz
-
0.1 GHz
DC
±
2.0 dB
0.1 – 6 GHz
-
2515A/B
4515A/B
10455A/B
10 GHz
12 GHz
-
0.1 GHz
AC
+1, -3 dB
0.1 – 10 GHz
10 – 12 GHz
2516A/B/C
4516A/B/C
10456A/B/C
20 GHz
18 GHz
15 GHz
1 GHz
AC
±
2.0 dB
1 – 18 GHz
18 – 20 GHz
2518A/B
4518A/B
10458A/B
15 GHz
10 GHz
-
0.5 GHz
AC
+1, -3 dB
0.5 – 15 GHz
-
50
Ω
Connector Options
Parameter
Model Number
Module
Flange-mount Rx
Plug-in Rx
RF Connector
Laser Module
Flange Mount
Plugin
2510A/B
4510A/B
10450A/B
SMA (f)
SMA (f)
SMA (f)
Specifications
2515A/B
4515A/B
10455A/B
SMA (f)
SMA (f)
SMA (f)
2516A/B/C
4516A/B/C
10456A/B/C
k-conn (f)
1
SMA (f)
SMA (f)
2518A/B
4518A/B
10458A/B
k-conn (f)
1
SMA (f)
SMA (f)
1. K-connector is a trademark of Anritsu Company. K-connectors are SMA compatible
DC (Photodiode Module)
Parameter
Photodiode Bias
2510A/B, 2515A/B, 2516A/B/C
2518A/B
Forward Voltage
2510A/B, 2515A/B, 2518A/B
2516A/B/C
Symbol
I
DC
Condition
25°C
Min
-
-
-
Typ
-
-
10
5
Max
2
12
-
Unit
mA
mA
V
V
V
F
-
DC (Flange-mount / Rack-mount)
Pin Number
1
Min
4
Typ
15V
Max
16
Max Ripple
100 mV p-p
Current
0.2 A max
ORTEL, A division of EMCORE
3 of 8
Microwave PIN Photodiode Receivers
Electrical Schematic
2510A/B
2515A/B
DATA SHEET| JANUARY 13, 2004
H
F
E
D
C
B
A
H
F
E
D
C
B
A
R2
RF
Out
R3
C2
R2
RF
Out
R1
50Ω
C1
R1
50Ω
C1
Pin Information: 2510A/B, 2515A/B
Pin No.
A
B
C
D
E
F
H
Description
NC
NC
NC
NC
Bias
Ground
NC
2516A/B/C, 2518A/B
Pin Information: 2516A/B/C, 2518A/B
3
2
1
Pin No.
1
2
3
Description
NC
NC
NC
Bias
NC
Ground
6
5
4
C2
R2
150Ω
C1
R1
50Ω
4
5
6
ORTEL, A division of EMCORE
4 of 8
Microwave PIN Photodiode Receivers
Outline Diagram
Dimensions are in inches.
2510A/B, 2515A/B Receivers
DATA SHEET| JANUARY 13, 2004
2516A/B/C, 2518A/B Receivers
ORTEL, A division of EMCORE
5 of 8
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