Directional Coupler 0.81–0.96 GHz
DC09-73 Features
s Low Cost s Low Profile s Available in Small SOT-6 Lead Package s Ta...
Directional Coupler 0.81–0.96 GHz
DC09-73 Features
s Low Cost s Low Profile s Available in Small SOT-6 Lead Package s Tape & Reel
Description
The DC09-73 is a monolithic directional coupler tailored to the 0.81–0.96 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
Parameter Frequency Insertion Loss Isolation Input VSWR Output VSWR Coupling Coupled Port VSWR 20.8 27 Min. 0.81 0.2 30 1.1:1 1.1:1 19.8 1.1:1 1.3:1 1.3:1 18.8 1.3:1 dB Typ. Max. 0.96 0.3 Unit GHz dB dB
Pin Out
Block Diagram
Coupled
DC09
GND GND COUPLED
OUT GND IN
Alpha Industries, Inc. [781] 935-5150 Fax [617] 824-4579 Email
[email protected] www.alphaind.com
Specifications subject to change without notice. 3/99A
1 2 3
6 5 4
Out
In
1
Directional Coupler 0.81–0.96 GHz
DC09-73
Typical Performance Data
-0.00 -0.10 -0.20 -0.30 -0.40 -0.50 0.80 1.5 1.4
Insertion Loss (dB)
Output VSWR
1.3 1.2 1.1 1.0 0.80
0.85
0.90
0.95
1.00
0.85
0.90
0.95
1.00
Frequency (GHz)
Frequency (GHz)
Insertion Loss vs. Frequency
0 1.5
Output VSWR vs. Frequency
Coupled Port VSWR
-10
1.4 1.3 1.2 1.1 1.0 0.80
Isolation (dB)
-20
-30
-40 0.80 0.85 0.90 0.95 1.00
0.85
0.90
0.95
1.00
Frequency (GHz)
Frequency (GHz)
Isolation vs. Frequency
1.5 1.4
Coupled Port VSWR vs. Frequency
-18 -19
Input VSWR
1.3 1.2 1.1 1.0 0.80
Coupling (dB)
-20 -21 -22 -...
