P-18A
• PIN detector module
Product Bulletin (Preliminary) • February 2002
• Flat frequency response,
±
1 dB
• High responsivity, 0.9 A/W
• High bandwidth, 19 GHz
• Low VSWR
• Compact 3-pin package
The
P-18A
is an ultrafast, InGaAs PIN
photodetector that is ideal for use in
O/E front-ends requiring flat frequency
response. The back-illuminated photodiode
design optimizes speed and sensitivity for
the 1200 nm through 1650 nm wavelength
range. The internal waveguide design
assures a flat frequency response necessary
for analog applications.
The detector is available in a compact
3-pin package with either a K output
connector or an RF feed-through pin for
direct soldering to circuit boards. Input
via a single-mode fiber is standard. The
hermetic module is Telcordia compliant.
Specifications
Wavelength range
Bandwidth (+/- 1dB electrical)
Low frequency cutoff
Responsivity @ 1310 nm
Responsivity @ 1550 nm
Output Return Loss (< 18 GHz)
Optical Return Loss
Output termination
Minimum
1200
18
DC
0.8
0.75
Typical
19
0.9
0.85
Maximum
1650
Units
nm
GHz
kHz
A/W
A/W
-10
-37
50
dB
dB
Ω
DC Electrical
Photodiode voltage
+8
+10
+15
V
Mechanical
Package type
Operating temperature
Storage temperature
-40
-40
3-pin module with K connector
+85
+85
°C
°C
P-18A
Product Specifications
.100
.018 TYP.
2X ø.080 THRU
2
1
0
Electrical (dB)
.700
-3
-6
.500
3
-9
-12
.100
1.148
0
5
10
15
20
25
Frequency (GHz)
Single-mode fiber
with 900µm buffer
(1 meter typical)
.295
.325
.202
.195
.050
.500
.873
Pin Description
1
2
3
V
PD
GND
NC
Application Notes
Electrostatic discharge (ESD) will cause permanent
damage to the product. Please avoid any ESD to the
input pins or output connector. Use standard ESD
protective equipment when handling this product.
Temperature and fiber restrictions are as follows:
Lead soldering: 250°C for no more than 10 seconds
Fiber feed-through tube: 120°C
Fiber pull force: 10 N
Fiber bending radius: 1 inch or less
Exceeding these conditions can cause permanent
damage to the device.
P-18A Ordering Information
Base model
Option format
Package options
Output termination option
Fiber connector options
P-18A
/Package/Output termination/Fiber connector
3K or 3NC
Z50
FC or SC
Quality Vision
As a leader in ultrafast optical receivers, Picometrix
is committed to providing the highest quality
ultrafast products on the market. This quality vision
commits us to continually improving our product
designs and manufacturing processes, in order to
ensure the highest level of customer satisfaction.
The company maintains a stringent quality control
program to ensure that all products meet or
surpass customer requirements.
P-18A
Picometrix, Inc.
• PO Box 130243
Ann Arbor, MI • 48113-0243
734-998-4501 • 734-998-3474 fax
www.picometrix.com
© 2002 Picometrix, Inc. All rights reserved. Specifications
and output data subject to change without notice.
PB-P-18A-0202-A
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