DC17-73 Datasheet, PDF (1/3 Pages) Alpha Industries – Directional Coupler

Directional Coupler
Features
s Low Cost
s Low Profile
s Small SOT-6 Package
s Tape & Reel
Description
The DC17-73 is a monolithic directional coupler for low
cost wireless applications. It offers low loss, good isolation,
good input/output matching and exceptional coupling
repeatability. Performance specified for two different bands.
It is available in the SOT-6 lead surface mount package.
Electrical Specifications at 25°C
Parameter
Frequency
Insertion Loss¹
Isolation
Input VSWR
Output VSWR
Coupling
Coupled Port VSWR
1. Coupling loss included.
Min.
1.42
21
10.8
Typ.
.60
22
1.1:1
1.1:1
11.8
1.2:1
Pin Out
GND
GND
COUPLED
OUT
GND
RF IN
Max.
1.66
.70
1.3:1
1.3:1
12.8
1.3:1
Unit
GHz
dB
dB
dB
Min.
1.71
20
9.3
Block Diagram
1
2
3
DC17-73
Typ.
.75
21
1.1:1
1.1:1
10.3
1.25:1
Max.
1.99
.85
1.3:1
1.3:1
11.3
1.35:1
Unit
GHz
dB
dB
dB
6
5
4
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