ALPHA DC16-73 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. 3/99A
Directional Coupler
Features
■ Low Cost
■ Low Profile
■ Small SOT-6 Package
■ Tape & Reel
DC16-73
Description
The DC16-73 is a monolithic directional coupler for low
cost wireless applications.It offers lo w loss, good isolation,
good input/output matching and exceptional coupling
repeatability. Performance is specified for two different
bands.It is available in the SOT-6 leaded surface mount
package.
Parameter Min. Typ. Max. Unit Min. Typ. Max. Unit
Frequency 1.42 1.66 GHz 1.71 1.99 GHz
Insertion Loss
1
.25 .35 dB .35 .45 dB
Isolation 23 24 dB 22 23 dB
Input VSWR 1.1:1 1.3:1 1.1:1 1.3:1
Output VSWR 1.1:1 1.3:1 1.1:1 1.3:1
Coupling 14.6 15.6 16.6 dB 13.8 14.8 15.8 dB
Coupled Port VSWR 1.1:1 1.3:1 1.1:1 1.3:1
Electrical Specifications at 25°C
123
654
GND
GND
COUPLED
OUT
GND
RF IN
DC16
Pin Out
1
2
3
6
5
4
Block Diagram
1. Coupling loss included.
Alpha Industries, Inc. [781] 935-5150 • Fax [617] 824-4579 • Email sales@alphaind.com • www.alphaind.com 2
Specifications subject to change without notice. 3/99A
Directional Coupler DC16-73
Frequency (GHz)
0.3 0.6 0.9 1.2 1.5 1.8 2.1 2.4 2.7 3.0
-2.5
-2.0
-1.5
-1.0
-0.5
0.0
Insertion Loss (dB)
Insertion Loss vs. Frequency
Frequency (GHz)
0.3 0.6 0.9 1.2 1.5 1.8 2.1 2.4 2.7 3.0
-40.0
-30.0
-20.0
-10.0
0.0
Isolation (dB)
Isolation vs. Frequency
Frequency (GHz)
0.3 0.6 0.9 1.2 1.5 1.8 2.1 2.4 2.7 3.0
1.0
1.1
1.2
1.3
1.4
1.5
Output VSWR
Output VSWR vs. Frequency
Frequency (GHz)
0.3 0.6 0.9 1.2 1.5 1.8 2.1 2.4 2.7 3.0
1.0
1.1
1.2
1.3
1.4
1.5
Coupled Port VSWR
Coupled Port VSWR vs. Frequency
Frequency (GHz)
0.3 0.6 0.9 1.2 1.5 1.8 2.1 2.4 2.7 3.0
1.0
1.1
1.2
1.3
1.4
1.5
Input VSWR
Input VSWR vs. Frequency
Frequency (GHz)
0.3 0.6 0.9 1.2 1.5 1.8 2.1 2.4 2.7 3.0
-30.0
-25.0
-20.0
-15.0
-10.0
-5.0
Coupling (dB)
Coupling vs. Frequency
Typical Performance Data
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