Information contained herein is deemed to be reliable and accurate as of the issue date. EMCORE reserves the right to change the design or specifications at any time without notice.
SITU-SIRU Series Externally-Modulated
Transmitters & Receivers
DATASHEET | APRIL 2013
MICROWAVE
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 operation-
al sections of the data sheet. Exposure to absolute maximum ratings for extended periods can adversely affect device reliability.
Parameter
Operating Temperature (within specifications)
Operating Temperature (with degraded performance)
Storage Temperature
RF Input (damage level threshold)
Receiver Optical Input Power (damage level threshold)
Symbol
T
OP
T
OP
T
STG
S
IN
SIRU3000
SIRU3400
Min
0
-40
-40
NA
NA
NA
Max
50
70
70
25
+13
+11
Units
°C
°C
°C
dBm
dBm
dBm
SITU-Series Transmitter Optical Specifications
Parameter
Wavelength
Optical Output Power
Symbol
λ
P
L
-
-
-
Condition
-
SITUxxx0 Version
SITUxxx1 Version
Transmitter Source Laser RIN
Connector Return Loss
Optical Connector Type
-
-
SC/APC
Min
1530
7
10
-
60
-
Typical
1550
-
-
-165
-
-
Max
1562
9
12
-163
-
-
Unit
nm
dBm
dBm
db-Hz
dB
-
Note: In order to prevent reflection-induced distortion degradation, the laser should be connected to an optical cable having a
return loss of at least 55 dB for discrete reflections and 30 dB for distributed reflections.
SITU-Series Transmitter RF Specifications
Parameter
Operational Bandwidth
Condition
SITU2800 Version
SITU3000 Version
SITU3040 Version
RF Input Impedance
RF Retun Loss
2nd Harmonic Suppression
1 dB Compression Point
-
-
RF Input 0 dBm
@ 2 GHz
@ 10 GHz
@ 18 GHz
@ 22 GHz
@ 40 GHz
RF Connector
SITU28xx Version - SMA (Female)
SITU3xxx Version - K (Female
Min
0.05
0.05
0.05
-
9
-
-
-
-
-
-
-
-
Typical
-
-
-
50
15
-75
+16
+17
+19
+20
+25
50
2.9
Max
18
22
40
-
-
-45
-
-
-
-
-
-
-
Unit
GHz
GHz
GHz
Ω
dB
dBc
dBm
dBm
dBm
dBm
dBm
ohm
mm
Note: Units provide signal transport above and below rated RF bandwidth with some degradation in signal gain and return loss.
Information contained herein is deemed to be reliable and accurate as of the issue date. EMCORE reserves the right to change the design or specifications at any time without notice.
Information contained herein is deemed to be reliable and accurate as of the issue date. EMCORE reserves the right to change the design or specifications at any time without notice.
SITU-SIRU Series Externally-Modulated
Transmitters & Receivers
DATASHEET | APRIL 2013
MICROWAVE
SITU-Series Transmitter Reference Block Diagram
The SITU-Series transmitter control circuits provides a “slow ramp” to the bias current of the high-power DFB source laser to limit the optical output power of the DFB laser and
the transmitter throughout the initialization process. During initialization, it is possible for the transmitter optical output power to briefly exceed the maximum rated value by as
much as 3 dB, creating the potential to exceeed the optical power limit of the receiver photodiode and damage the recevier. Once the transmitter has completed the optimization
process, the DFB laser bias ramp circuit set the laser bias current to the correct value to provide the specified transmitter optical output power.
SIRU-Series Receiver RF Specifications
Parameter
Frequency Range
Condition
SIRU3000
SIRU3040
Electrical Power Requirements
SIRU3000
SIRU3040
Photodiode Monitor Output
RF Connector
RF Output Impedance
-
K (Female)
-
Min
0.05
0.05
-
-
-
-
-
Typical
-
-
-
-
0.1
2.99
50
Max
22
40
+15V @ 50
+15V @ 70
-
-
0
Unit
GHz
GHz
mA
mA
V/mA
mm
Ω
Note: Units provide signal transport above and below rated RF bandwidth with some degradation in signal gain and return loss.
Information contained herein is deemed to be reliable and accurate as of the issue date. EMCORE reserves the right to change the design or specifications at any time without notice.
SITU-SIRU Series Externally-Modulated
Transmitters & Receivers
DATASHEET | APRIL 2013
MICROWAVE
SIRU-Series Receiver Physical Specifications
Parameter
Configuration
Dimensions
Operating/Storage Temperature
Weight
-
Condition
Self Contained Housing
0.8 H x 4.6 W x 3.4 D
Min
-
-
-40
-
Typical
-
-
-
10
Max
-
-
+70
-
Unit
-
in
°C
oz
SIRU-Series Receiver DC Power Consumption
Input Voltage
+15
Max Current
0.7 A
SIRU-Series Receiver D-Connector Pin Out
Pin
1
2
3
4
5
6
7
8
9
Function
+15 V
n/c
n/c
GND
n/c
Photodiode Monitor
n/c
n/c
n/c
Broadband Link Performance
SITU2800 transmitter @ quadrature bias with 0 dBm RF input and SIRU3000 receiver with 0 dBm optical input
(unless otherwise indicated)
Parameter
RF Bandwidth
Symbol
-
Condition
-
Min
0.05
Typical
-
Max
18
Unit
GHz
Link Gain*
G
@ 10 GHz
@ 18 GHz
-
-
-
-
-
-
-
-
-
-
95
100
-
-
-47
-48
-27
-28
55
60
28
35
+26
+28
100
105
-
5
-
-
-
-
-
-
-
-
-
-
-
-
5
10
dB
dB
dB
dB
dB
dB
dB
dB
dBm
dBm
dB-Hz
2/3
dB-Hz
2/3
dB
dB
Link Gain (+10 dBm RX optical input)*
@ 10 GHz
@ 18 GHz
Noise Figure
NF
@ 10 GHz
@ 18 GHz
Noise Figure (+10 dBm RX optical input)
NF
@ 10 GHz
@ 18 GHz
Input IP3
IIP3
@ 10 GHz
@ 18 GHz
Spurious Free Dynamic Range
SFDR
@ 0 dBm RX Optical Input
@ +10 dBm RX Optical Input
Gain Variation
50 MHz to 1 GHz
1 GHz to 18 GHz
Note: Units provide signal transport above and below rated RF bandwidth with some degradation in signal gain and return loss.
Information contained herein is deemed to be reliable and accurate as of the issue date. EMCORE reserves the right to change the design or specifications at any time without notice.
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