DC18-73 Datasheet, PDF (1/3 Pages) Alpha Industries – Directional Coupler 1.71-1.99 GHz

Directional Coupler 1.71–1.99 GHz
Features
s Low Cost
s Low Profile
s Available in Small SOT-6 Lead Package
s Tape & Reel
Description
The DC18-73 is a monolithic directional coupler tailored
to the 1.71–1.99 GHz band. It offers low loss, good
isolation, good input/output matching and exceptional
coupling repeatability. It is available in the SOT-6 lead
surface mount package.
Electrical Specifications at 25°C
Frequency
Insertion Loss
Isolation
Input VSWR
Output VSWR
Coupling
Coupled Port VSWR
Parameter
DC18-73
Min.
1.71
30
19.8
Typ.
0.2
38
1.1:1
1.1:1
18.8
1.2:1
Max.
1.99
0.3
1.3:1
1.3:1
17.8
1.4:1
Unit
GHz
dB
dB
dB
Pin Out
GND
GND
COUPLED
Block Diagram
Coupled
OUT
GND
IN
Out
In
Alpha Industries, Inc. [781] 935-5150 • Fax [617] 824-4579 • Email [e-mail] • www.alphaind.com
1
Specifications subject to change without notice. 3/99A