Page 1
Alpha Industries, Inc. [781] 935-5150 • Fax [617] 824-4579 • Email sales@alphaind.com • www.alphaind.com 1
Specifications subject to change without notice. 3/99A
Two-Way 0° Power Splitter
Combiner 0.81–0.96 GHz
Features
■ Low Cost
■ Low Profile
■ Available in Small SOIC-8 Package
■ Tape & Reel
PD09-12
Description
The PD09-12 is a monolithic two-way in-phase hybrid
junction tuned for the 0.81–0.96 GHz band.It offers low
loss, high isolation, good input/output matching and
exceptional phase/amplitude balance.It is available in the
SOIC-8 leaded surface mount package.
Parameter Min. Typ. Max. Unit
Frequency 0.81 0.96 GHz
Insertion Loss Less 3 dB Split 0.4 0.6 dB
Isolation 20 25 dB
Input VSWR 1.2:1 1.4:1
Output VSWR 1.3:1 1.5:1
Amplitude Balance ±0.1 ±0.2 dB
Phase Balance ±1.0 ±3.0 Deg.
Electrical Specifications at 25°C
GND
IN/SUM
GND
GND
Port 1
GND
GND
Port 2
1234
8765
PD09
Pin Out
IN/SUM
Port 1
Port 2
Block Diagram
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Two-Way 0° Power Splitter Combiner 0.81–0.96 GHz PD09-12
2 Alpha Industries, Inc. [781] 935-5150 • Fax [617] 824-4579 • Email sales@alphaind.com • www.alphaind.com
Specifications subject to change without notice. 3/99A
-4.0
-3.8
-3.6
-3.4
-3.2
-3.0
0.80 0.85 0.90 0.95 1.00
Frequency (GHz)
Insertion Loss (dB)
Insertion Loss vs. Frequency
Port 1
Port 2
0.80 0.85 0.90 0.95 1.00
Frequency (GHz)
-40
-35
-30
-25
-20
-15
-10
-5
0
Isolation (dB)
Isolation vs. Frequency
0.80 0.85 0.90 0.95 1.00
Frequency (GHz)
1.0
1.1
1.2
1.3
1.4
1.5
Output VSWR
Output VSWR vs. Frequency
0.80 0.85 0.90 0.95 1.00
Frequency (GHz)
-0.10
-0.05
0.00
0.05
0.10
Amp. Balance (dB)
Amp. Balance vs. Frequency
0.80 0.85 0.90 0.95 1.00
Frequency (GHz)
1.0
1.1
1.2
1.3
1.4
1.5
Input VSWR
Input VSWR vs. Frequency
0.80 0.85 0.90 0.95 1.00
Frequency (GHz)
-3
-2
-1
0
1
2
3
Phase Balance (Deg.)
Phase Balance vs. Frequency
Typical Performance Data
Page 3
Two-Way 0° Power Splitter Combiner 0.81–0.96 GHz PD09-12
Alpha Industries, Inc. [781] 935-5150 • Fax [617] 824-4579 • Email sales@alphaind.com • www.alphaind.com 3
Specifications subject to change without notice. 3/99A
Characteristic Value
Input Power
1
1.5 W CW
Input Power
2
0.75 CW
Operating Temperature -40°C to +85°C
Storage Temperature -65°C to +150°C
Absolute Maximum Ratings
1.When used as a power divider with a 2.0:1 maximum VSWR on all ports.
2.When used as a power combiner with a 2.0:1 maximum VSWR on all ports.
Recommended Board Layout
0.020 DIA.
VIA 3 PLACES
PD09
,
,
,
,
,
,
,
,
0.170
0.029 TYP.
0.018
TYP.
0.028
TYP.
Material is 10 mil FR4
SOIC-8
0.049
(1.24 mm)
0.016
(0.41 mm)
0.016 MAX.
(0.41 mm) x
45˚ CHAMFER
PIN 1
0.197 (5.00 mm)
0.189 (4.80 mm)
0.068
(1.73 mm) MAX.
0.010 (0.25 mm)
0.004 (0.10 mm)
0.010 (0.25 mm)
0.007 (0.17 mm)
0.158 (4.00 mm)
0.150 (3.80 mm)
8˚
MAX.
0.020 (0.51 mm) MAX.
0.244 (6.20 mm)
0.228 (5.80 mm)
0.050 (1.27 mm) BSC
PIN 8
PIN 1
INDICATOR
,,
,,
,
,
,
,,
,,
,,
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