ALPHA PD22-73 Datasheet
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 2.1–2.3 GHz
Features
■ Low Cost
■ Low Profile
■ Small SOT-6 Package
■ Tape & Reel
PD22-73
Description
The PD22-73 is a 50 Ω, in-phase combiner/splitter tuned
for the 2.1–2.3 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.
SOT-6
SOT-6
SOT-6
SOT-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 25°C, 50 ΩΩSystem
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 2.1–2.3 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 2.31.8 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
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