The 2609C is a packaged impedance-matched photodiode module with
internal gain designed for use in optical broadband receivers in fiberoptic
networks. The patented impedance-match technology results in
improved gain-bandwidth product compared to external circuits due to
better control of parasitics between the photodiode and the impedance-
matching circuit
Additionally, the 2611A is designed for superior distortion performance at
up to 6 dBm (received) input power
Features
Flat response, + 0.5 dB
Frequency response up to
1 GHz
High Responsivity
>0.85A/W at 1310 nm
>0.95 A/W at 1550 nm
Internal current gain, 6 dB
(typ.)
Up to 3 dBm max.
continuous received power
(6 dBm max. peak power)
75
impedance-matched
PIN Information
Table 1. Pin Descriptions
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
Description
Ground
Ground
Ground
Ground
Ground
Ground
Open
Open
RF Out
Ground
Bias
Ground
Open
Ground
Applications
Broadband CATV receivers
requireing high input power
for improved performance
For more information on this and other products:
Contact Sales at Ortel 626-293-3400, or visit www.emcore.com.
2611A Broadband Photodiode Module
DATASHEET
|
JULY 17, 2003
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 case temperature range
Storage temperature range
Optical Input Power
Bias Voltage
Forward Current
Symbol
T
C
T
stg
P
IN
V
PD
I
F
Min
-40
-40
--
--
--
Max
85
85
4
30
10
Unit
°
C
°
C
mW
V
mA
Characteristics
Note: These product specifications describe warranted performance. Typical values provide expected levels of
performance but are not guaranteed.
Table 2. Electrical/Optical Characteristics
Parameter
Optical Wavelength Range
Responsivity
Optical Return Loss
Bias Voltage
Dark Current
1. Without connector
1
Symbol
--
RL
--
I
D
Min.
1280
--
--
--
--
--
Typ.
--
>0.85 at 1310 nm
>0.95 at 1550 nm
>45
20 (nominal)
200 at 20 °
C
Max.
1580
--
--
--
--
--
Unit
nm
mA/mW
mA/mW
dB
V
nA
Table 3. RF Characteristics
Parameter
Frequency Range
Gain
1
Symbol
F
G
--
--
2
Min.
40
--
--
Typ.
--
>5
<+ 0.5
See Figure 1.
Max.
1000
--
--
Unit
MHz
dB
dB
Frequency Response
Receiver Noise
Distortion Products
Second Order
Third Order
CSO
CTB
--
--
--
<-68 above 550 MHz
<-70 below 55 MHz
<-80
--
--
dBc
dBc
1.
Current gain of internal transformer circuit
2.
Two laser test. Each laser has 40% modulation index. Total received optical power is 0 dBm. Distortion products measured at 80 MHz, 450 MHz, 600
MHz, and 850 MHz
ORTEL, A division of EMCORE
2 of 4
2611A Broadband Photodiode Module
DATASHEET
|
JULY 17, 2003
Characteristics Curves
Outline Diagram
Dimensions are in inches.
ORTEL, A division of EMCORE
3 of 4
2611A Broadband Photodiode Module
DATASHEET
|
JULY 17, 2003
Ordering Information
Contact Ortel, a division of EMCORE, for ordering information on this or any other product at (626) 293-3400
Table 2. Ordering Information
Device Code
2611A
Description
Broadband Photodiode Module
Connector
None
Pigtail
Singlemode,
9 m/125 m
Information contained herein is deemed to be reliable and accurate as of issue date. EMCORE reserves the right to change the design or specifications of
the product at any time without notice. Ortel, the Ortel logo, EMCORE, and the EMCORE logo are trademarks of EMCORE Corporation.
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