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Preliminary
Product Description
Consumer products, such as Set-Top boxes, PVR’s, Home Gateways,
and Cable Modems, often require a technique for “splitting” the incom-
ing RF CATV signal, to perform various functions, such as picture-in-
picture, VOIP, data, and video recording.
CGA-0116
CGA-0116Z Pb RoHS Compliant
& Green Package
3-Output Active Splitter for CATV
Sirenza Microdevices’ CGA-0116 is a high performance 3-
output broadband CATV active splitter-amplifier, designed for operation
at 5V. It offers flat gain, high isolation, high IP2, and low power con-
sumption.
This RFIC uses the latest Silicon Germanium
Heterostructure Bipolar Transistor (SiGe HBT) process
featuring 2 micron emitters.
16 pin TSSOP Package with Exposed Ground Pad
The matte tin finish on Sirenza’s lead-free package utilizes a post
annealing process to mitigate tin whisker formation and is RoHS compli-
ant per EU directive 2002/95. This package is also manufactured with
green molding compounds that contain no antimony trioxide nor haloge-
nated fire retardants.
Functional Block Diagram
Vctl 3 1
GND 2
Vin 3
Vb 4
16 Ch3
15 GND
14 GND
13 Vctl 2
Product Features
Available in Lead Free, RoHS compliant, and
Green packaging
Broad Frequency Band: 50 to 870 MHz
Flat Gain Response: < ±0.5 dB Variance
Internally Matched to 75 Ω
High Isolation between Output Ports: >35 dB
High IP2: >149 dBμV
Single Voltage Supply
Patent Pending
IN 5
Rb 6
GND 7
Vctl 1 8
12 Ch2
11 GND
10 GND
9 Ch1
www.DataSheet4U.com
Applications
Set-top Box
Cable Modem
PVR
Key Specifications
Symbol
Parameters: Test Conditions
Z0 = 75Ω, VCC = 5.0V, I = 150mA, TBP = 30ºC
f0 Frequency of Operation
I Current
P1dB
Output Power at 1dB Compression - Channels 1&2 @ 500MHz
Output Power at 1 dB Compression - Channel 3 @ 870MHz
S21 Small Signal Gain - Channels 1&2 @ 870MHz
Small Signal Gain - Channel 3 @ 870MHz
IRL Input Return Loss 50MHz to 870MHz
ORL
Output Return Loss 50MHz to 870MHz
OIP3
Output Third Order Intercept Point - Channels 1&2 @ 500MHz
Output Third Order Intercept Point - Channel 3 @ 500MHz
OIP2
Output Second Order Intercept Point - Channels 1&2 @ 500MHz
Output Second Order Intercept Point - Channel 3 @ 500MHz
NF Noise Figure - Channels 1&2 @ 870Mhz
Noise Figure - Channel 3 @ 870MHz
S12 Isolation, Channel-to-Channel 50MHz to 870MHz
Isolation, Output-to-Input 50MHz to 870MHz
RTH, j-l
Thermal Resistance (junction - lead)
Unit
MHz
dBμV
dBμV
dB
dB
dB
dB
dBμV
dBμV
dBμV
dBμV
dB
dB
dB
dB
ºC/W
Min.
50
135
114.5
118.5
1.8
6.5
7.5
11
127
132
146
152
32
37
Typ.
150
116
120
2.3
7.5
9
13
129
134
149
155
7.5
7.5
35
40
70
Max.
870
165
2.8
8.5
8.5
8.5
The information provided herein is believed to be reliable at press time. Sirenza Microdevices assumes no responsibility for inaccuracies or ommisions.
Sirenza Microdevices assumes no responsibility for the use of this information, and all such information shall be entirely at the user’s own risk. Prices and specifications are subject to change without notice. No patent rights or licenses to any of the
circuits described herein are implied or granted to any third party. Sirenza Microdevices does not authorize or warrant any Sirenza Microdevices product for use in life-support devices and/or systems.
Copyright 2002 Sirenza Microdevices, Inc. All worldwide rights reserved.
303 South Technology Court, Broomfield, CO 80021
Phone: (800) SMI-MMIC
1
http://www.sirenza.com
EDS-102750 Rev E

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Preliminary
CGA-0116 3-Output CATV Active Splitter
Pin Out Description
Pin #
Function
Description
1
Vctl 3
Gain adjust for Output 3. This pin should be bypassed to ground for max gain
2,7,10
11,14,
15
GND
Connection to ground.
3 Vin Voltage supply connection for input. This pin should be bypassed with a suitable capacitor.
4 Vb Bias connection for input. This pin should be bypassed with a suitable capacitor
5 IN RF input pin. This pin requires a DC blocking capacitor
6
Rb
Input bias resistor connection for setting bias current. This pin should be connected to groung for specified
operation.
8
Vctl 1
Gain adjust for Output 3. This pin should be bypassed to ground for max gain
9
Ch. 1
RF Output 1 and DC supply pin. This pin required the use of an external blocking capacitor and RF choke.
12
Ch. 2
RF Output 2 and DC supply pin. This pin required the use of an external blocking capacitor and RF choke.
13
Vctl 2
Gain adjust for Output 3. This pin should be bypassed to ground for max gain
16
Ch. 3
RF Output 3 and DC supply pin. This pin required the use of an external blocking capacitor and RF choke.
Back-
side
GND
The exposed backside paddle needs to be well grounded with multiple vias. This is the main electrical GND
and the main thermal path.
Simplified Device Schematic
RFout
RFin
RFout
RFout
Absolute Maximum Ratings
Parameters
Value
Unit
Current
200 mA
Device Voltage (VD)
Power Dissipation
6.0 V
1.2 W
Operating Lead Temperature (TL)
RF Input Power
-40 to +85
15
ºC
dBm
Storage Temperature Range
-40 to +150 ºC
Operating Junction Temperature (TJ)
+150
ºC
Operation of this device beyond any one of these limits may
cause permanent damage. For reliable continuous operation
the device voltage and current must not exceed the maximum
operating values specified in the table on page one.
Bias conditions should also satisfy the following expression:
IDVD < (TJ - TL) / RTH’ j-l
Caution: ESD Sensitive
Appropriate precaution in handling, packaging
and testing devices must be observed.
303 South Technology Court, Broomfield, CO 80021
Phone: (800) SMI-MMIC
2
http://www.sirenza.com
EDS-102750 Rev E

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Evaluation Board Data (VCC = 5.0V, ICC = 150mA)
Gain vs Frequency
14
12
10
8
6
Ch 3
Ch 1 & Ch 2
4
2
0
0 200 400 600 800 1000
Frequency (MHz)
Preliminary
CGA-0116 3-Output CATV Active Splitter
0
-2
-4
-6
-8
-10
-12
-14
-16
0
Input Return Loss Vs. Freq
Ch 1
200 400 600 800
Frequency (MHz)
1000
0
-2
-4
-6
-8
-10
-12
-14
-16
-18
-20
0
Output Return Loss vs Frequency
Ch 1
Ch 2
Ch 3
200 400 600 800 1000
Frequency(MHz)
Isolation Channel Output to RF Input
-20
-30
-40
-50
-60
-70
-80
0
Ch 3 to Input
Ch 1 to Input
Ch 2 to Input
200 400 600 800
Frequency (MHz)
1000
0
-10
-20
-30
-40
-50
-60
-70
-80
0
Isolation vs Frequency
Ch 3 to Ch 1
Ch 3 to Ch 2
Ch 2 to Ch 1
200 400 600 800
Frequency(MHz)
1000
10
9
8
7
6
5
100
Noise Figure vs Frequency
Ch 1
Ch 2
Ch 3
300 500 700
Frequency (MHz)
900
303 South Technology Court, Broomfield, CO 80021
Phone: (800) SMI-MMIC
3
http://www.sirenza.com
EDS-102750 Rev E

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Evaluation Board Data (VCC = 5.0V, ICC = 150mA)
Channel 1 Gain vs Temperature
6
5
4
- 40c
3
2
+ 85c
1 + 25c
0
0 200 400 600 800
Frequency(MHz)
1000
Preliminary
CGA-0116 3-Output CATV Active Splitter
Channel 2 Gain vs Temperature
6
5
4
- 40c
+ 25c
3
2
1 + 85c
0
0 200 400 600 800 1000
Frequency (MHz)
Ch 3 Gain vs Temperature
10
9 - 40c
8
7 + 25c
+85c
6
5
0 200 400 600 800 1000
Frequency(MHz)
130
125
120
115
110
105
100
-40
P1dB vs. Temperature (500 MHz)
Channel
3
Channel 1 & 2
-15 10 35 60
Temperature (C)
85
170
165
160
155
150
145
140
135
130
-40
IP2 vs. Temperature (500 MHz)
Ch3
Ch1 & Ch2
-15 10
35
Temperature (C)
60
85
150
145
140
135
130
125
120
-40
IP3 vs. Temperature (500 MHz)
Ch3
Ch 1 & 2
-15 10 35 60
Temperature (C)
85
303 South Technology Court, Broomfield, CO 80021
Phone: (800) SMI-MMIC
4
http://www.sirenza.com
EDS-102750 Rev E

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Channel 1 and 2 Composite Performance:
Evaluation Board Data (VCC = 5.0V, ICC = 150mA)
Preliminary
CGA-0116 3-Output CATV Active Splitter
Ch. 1 Measured Data Shown
CTB/CSO/XMOD, Ch. 1 & 2
Input Power 76 dBuV/Ch., 100 Ch., Flat
100
90
80
70
60
50
40
30
0
XMOD
CSO+
CTB
CSO-
100 200 300 400 500 600 700
Frequency (MHz)
Channel 1 & 2 Composite Performance vs. Input Power Level, 100 Ch., Flat:
100
90
80
70
60
50
40
30
0
CGA-0116 Ch. 1 & 2: XMOD vs. Pin and Freq.
74dBuV
78dBuV
82dBuV
76dBuV
80dBuV
84dBuV
100 200 300 400 500 600 700
Frequency (MHz)
100
90
80
70
60
50
40
30
0
CGA-0116 Ch. 1 & 2: CTB vs. Pin and Freq.
74dBuV
78dBuV
82dBuV
76dBuV
80dBuV
84dBuV
100 200 300 400 500 600 700
Frequency (MHz)
100
90
80
70
60
50
40
30
0
CGA-0116 Ch. 1 & 2: CSO+ vs. Pin and Freq.
74dBuV
78dBuV
82dBuV
76dBuV
80dBuV
84dBuV
100 200 300 400 500 600 700
Frequency (MHz)
100
90
80
70
60
50
40
30
0
CGA-0116 Ch. 1 & 2: CSO- vs. Pin and Freq.
74dBuV
78dBuV
82dBuV
76dBuV
80dBuV
84dBuV
100 200 300 400 500 600
Frequency (MHz)
700
303 South Technology Court, Broomfield, CO 80021
Phone: (800) SMI-MMIC
5
http://www.sirenza.com
EDS-102750 Rev E