Alpha Industries, Inc. [781] 935-5150
Fax [617] 824-4579 Email sales@alphaind.com www.alphaind.com
1
Specifications subject to change without notice. 3/01A
Two-Way Power Splitter 2.12.3 GHz
Features
I Low Cost
I Low Profile
I Small SOT-6 Package
I Tape & Reel
PD22-73
Description
The PD22-73 is a 50
, in-phase combiner/splitter tuned
for the 2.12.3 GHz band. The monolithic circuitry is 100%
passive and offers low loss, high isolation and exceptional
phase/amplitude balance. It is available in the SOT-6
leaded surface mount package.
SO
T-6
SO
T-6
SO
T-6
SO
T-6
Parameter
Min.
Typ.
Max.
Unit
Frequency
2.1
2.3
GHz
Insertion Loss Less 3 dB Split
0.55
0.7
dB
Isolation
1
15.0
18.00
dB
Input VSWR
1.5:1
2.0:1
Output VSWR
1.1:1
1.3:1
Amplitude Balance
0.10
0.2
dB
Phase Balance
1.00
3.0
Deg.
Electrical Specifications at 25C, 50
System
Port 1
GND
Port 2
GND
In/Sum
GND
12
3
65
4
PD22
Pin Out
Port 1
GND
In/Sum
GND
Port 2
Block Diagram
1
Isolation can be increased to 23 dB with an external 5.6 nH inductor from in/sum port to ground.
PD22 is the part marking.
Two-Way Power Splitter 2.12.3 GHz
PD22-73
2
Alpha Industries, Inc. [781] 935-5150
Fax [617] 824-4579 Email sales@alphaind.com www.alphaind.com
Specifications subject to change without notice. 3/01A
-4.1
-3.4
-3.5
-3.6
-3.7
-3.8
-3.9
-4.0
1.7
1.9
2.1
2.3
2.5
Insertion Loss (dB)
Frequency (GHz)
Insertion Loss vs. Frequency
-25
0
-5
-10
-15
-20
1.7
1.9
2.1
2.3
2.5
Isolation (dB)
Frequency (GHz)
Isolation vs. Frequency
1.0
2.2
2.0
1.8
1.6
1.4
1.2
1.7
1.9
2.1
2.3
2.5
VSWR (:1)
Frequency (GHz)
Input VSWR vs. Frequency
1.00
1.40
1.35
1.30
1.25
1.20
1.15
1.10
1.05
1.7
1.9
2.1
2.3
1.8
2.0
2.2
2.4
2.5
VSWR (:1)
Frequency (GHz)
Output VSWR vs. Frequency
0
0.09
0.08
0.07
0.06
0.05
0.04
0.03
0.02
0.01
1.7
1.9
2.1
2.3
2.5
Balance (dB)
Frequency (GHz)
Amplitude Balance vs. Frequency
0
2.5
2.0
1.5
1.0
0.5
1.7
1.9
2.1
2.3
2.5
Phase Balance (Degrees)
Frequency (GHz)
Phase Balance vs. Frequency
Typical Performance Data
Two-Way Power Splitter 2.12.3 GHz
PD22-73
Alpha Industries, Inc. [781] 935-5150
Fax [617] 824-4579 Email sales@alphaind.com www.alphaind.com
3
Specifications subject to change without notice. 3/01A
Characteristic
Value
Input Power
1
1.5 W CW
Input Power
2
0.75 W CW
Operating Temperature
-40C to +85C
Storage Temperature
-65C to +150C
Absolute Maximum Ratings
0.074
(1.90 mm REF.)
0.071 (1.80 mm)
0.052 (1.30 mm)
0.037 (0.95 mm) REF.
0.122 (3.10 mm)
0.106 (2.70 mm)
0.006
(0.15 mm)
0.000
(0.00 mm)
0.057 (1.45 mm)
0.035 (0.90 mm)
0.020 (0.51 mm)
0.014 (0.350 mm)
0.126 (3.20 mm)
0.087 (2.20 mm)
PIN 6
PIN 1
PIN 1
INDICATOR
0.022 (0.61 mm)
0.004 (0.10 mm)
0.014
(0.26 mm)
0.004
(0.10 mm)
0.012
(0.30 mm)
TYP.
5.0 1
5.0 1
SOT-6
0.020 DIA.
VIA 3 PLACES
PD22
0.075
0.015 TYP.
0.039 TYP.
0.018 TYP.
Material is 10 mil FR4
Recommended Board Layout
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.
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