P-20A
• 15 ps risetime
• Compact 3-pin package
Product Bulletin (Preliminary) • February 2002
• 14 GHz PIN detector module
• Front-end for receivers up to 12.5 Gb/s
• High responsivity, 1.0 A/W
The
P-20A
is an ultrafast, InGaAs PIN
photodetector module ideal for use as an
O/E front-end for receivers in applications
up to 12.5 Gb/s. The back-illuminated
PIN photodiode design optimizes speed
and sensitivity for the 1200 nm through
1650 nm wavelength range. The internal
Clean-pulse
TM
design assures low group-
delay response necessary for time-domain,
digital applications.
The detector is available in a compact
3-pin package with either an Anritsu-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 (-3dB electrical)
Low frequency cutoff
Risetime
Responsivity @ 1310 nm
Responsivity @ 1550 nm
Optical Return Loss
Output termination
Minimum
1200
12
DC
0.9
0.9
Typical
14
15
1.0
1.0
Maximum
1650
Units
nm
GHz
kHz
18
ps
A/W
A/W
-37
50
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-20A
Product Specifications
.100
.018 TYP.
2X ø.080 THRU
0
Electrical (dB)
2
1
-3
-6
.700
-9
.500
3
-12
0
5
10
15
20
25
Frequency (GHz)
.100
1.148
1.0
Single-mode fiber
with 900µm buffer
(1 meter typical)
.295
Amplitude (dB)
.325
.195
0.5
.202
0.0
.050
.500
.873
Time (20 ps/div)
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-20A Ordering Information
Base model
Option format
Package options
Output termination options
Fiber connector options
P-20A
/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-20A
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-20A-0202-A
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