DATA SHEET
PD18-73/PD18-73LF: 1.71-1.99 GHz Two-Way 0° Power
Splitter/Combiner
Applications
• Signal distribution/combining
• GSM, WCDMA, PCS/DCS
Features
• Low cost
• Low profile
• Small SOT-6 package (MSL1, 260 °C per JEDEC J-STD-020)
Figure 1. PD18-73/PD18-73LF Block Diagram
Description
The PD18-73/PD18-73LF are monolithic, two-way in-phase hybrid
junction power splitter/combiners for the 1.71 to 1.99 GHz band.
Either device offers low loss, high isolation, good input/output
matching, and exceptional phase/amplitude balance.
A functional block diagram is shown in Figure 1. The pin
configuration and package are shown in Figure 2. Signal pin
assignments and functional pin descriptions are provided in
Table 1.
Figure 2. PD18-73/PD18-73LF Pinout – 6-Pin SOT-6
(Top View)
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DATA SHEET • PD18-73/PD18-73LF TWO-WAY POWER SPLITTER/COMBINER
Table 1. PD18-73/PD18-73LF Signal Descriptions
Pin #
Name
Description
Pin #
Name
Description
1
PORT1
RF port 1
4
IN/SUM
RF in or sum port
2
GND
RF ground
5
GND
RF ground
3
PORT2
RF port 2
6
GND
RF ground
Table 2. PD18-73/PD18-73LF Absolute Maximum Ratings (Note 1)
Parameter
Symbol
Minimum
Maximum
Units
1.5
W
RF input power, CW (Note 2)
PIN
RF input power, CW (Note 3)
PIN
0.75
W
Operating temperature
TOP
–40
+85
°C
Storage temperature
TSTG
–65
+150
°C
Note 1: Exposure to maximum rating conditions for extended periods may reduce device reliability. There is no damage to device with only one parameter set at the limit and all other
parameters set at or below their nominal value. Exceeding any of the limits listed here may result in permanent damage to the device.
Note 2: When used as a power divider with a 2.0:1 maximum VSWR on all ports.
Note 3: When used as a power combiner with a 2.0:1 maximum VSWR on all ports.
CAUTION: Although this device is designed to be as robust as possible, Electrostatic Discharge (ESD) can damage this device. This device
must be protected at all times from ESD. Static charges may easily produce potentials of several kilovolts on the human body
or equipment, which can discharge without detection. Industry-standard ESD precautions should be used at all times.
Table 3. PD18-73/PD18-73LF Electrical Specifications (Note 1)
(Characteristic Impedance [ZO] = 50 Ω, Unless Otherwise Noted)
Parameter
Symbol
Frequency
f
Insertion loss less 3 dB split
IL
Test Condition
Min
Typical
1.71
PIN @ pin 4 = 0 dBm
0.4
18
Max
Units
1.99
GHz
0.6
dB
Isolation
Iso
PIN @ pin 4 = 0 dBm
Input VSWR
VSWR_IN
PIN @ pin 4 = 0 dBm
1.3:1
23
1.5:1
dB
–
Output VSWR
VSWR_OUT
PIN @ pin 4 = 0 dBm
1.2:1
1.4:1
–
Amplitude balance
PIN @ pin 4 = 0 dBm
±0.1
±0.2
dB
Phase balance
PIN @ pin 4 = 0 dBm
±1
±3
deg
Note 1: Performance is guaranteed only under the conditions listed in this Table.
Electrical and Mechanical Specifications
The absolute maximum ratings of the PD18-73/PD18-73LF are
provided in Table 2. Electrical specifications are provided in
Table 3.
Typical performance characteristics of the PD18-73/PD18-73LF
are illustrated in Figures 3 through 8.
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DATA SHEET • PD18-73/PD18-73LF TWO-WAY POWER SPLITTER/COMBINER
Typical Performance Characteristics
(Characteristic Impedance [ZO] = 50 Ω, Unless Otherwise Noted)
Figure 3. Insertion Loss vs Frequency
Figure 4. Output VSWR vs Frequency
Figure 5. Isolation vs Frequency
Figure 6. Amplitude Balance vs Frequency
Figure 7. Input VSWR vs Frequency
Figure 8. Phase Balance vs Frequency
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
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DATA SHEET • PD18-73/PD18-73LF TWO-WAY POWER SPLITTER/COMBINER
Recommended Board Layout
Package and Handling Information
The recommended layout for the PD18-73/PD18-73LF is shown in
Figure 9.
Instructions on the shipping container label regarding exposure to
moisture after the container seal is broken must be followed.
Otherwise, problems related to moisture absorption may occur
when the part is subjected to high temperature during solder
assembly.
Package Dimensions
Package dimensions for the 6-pin SOT-6 are shown in Figure 10,
and tape and reel dimensions are provided in Figure 11.
THE PD18-73/PD18-73LF is rated to Moisture Sensitivity Level 1
(MSL1) at 260 °C. It can be used for lead or lead-free soldering.
For additional information, refer to the Skyworks Application Note,
Solder Reflow Information, document number 200164.
Care must be taken when attaching this product, whether it is
done manually or in a production solder reflow environment.
Production quantities of this product are shipped in a standard
tape and reel format.
Figure 9. PD18-73/PD18-73LF Recommended Board Layout
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
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DATA SHEET • PD18-73/PD18-73LF TWO-WAY POWER SPLITTER/COMBINER
Figure 10. PD18-73/PD18-73LF 6-Pin SOT-6 Package Dimensions
Figure 11. PD18-73/PD18-73LF Tape and Reel Dimensions
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
200242D • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • November 30, 2011
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DATA SHEET • PD18-73/PD18-73LF TWO-WAY POWER SPLITTER/COMBINER
Ordering Information
Model Name
PD18-73/PD18-73LF Two-Way Power Splitter/Combiner
Manufacturing Part Number
PD18-73/PD18-73LF
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November 30, 2011 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 200242D