Directional Coupler 2.30–2.60 GHz
DC25-73 Features
s Low Cost s Low Profile s Available in Small SOT-6 Lead Package s Ta...
Directional Coupler 2.30–2.60 GHz
DC25-73 Features
s Low Cost s Low Profile s Available in Small SOT-6 Lead Package s Tape & Reel
Description
The DC25-73 is a monolithic directional coupler tailored to the 2.30–2.60 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 18.2 30 Min. 2.30 0.2 33 1.1:1 1.1:1 17.2 1.3:1 1.3:1 1.3:1 16.2 1.5:1 dB Typ. Max. 2.60 0.3 Unit GHz dB dB
Pin Out
Block Diagram
Coupled
DC25
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 2.30–2.60 GHz
DC25-73
Typical Performance Data
-0.0 1.5 1.4
Insertion Loss (dB)
-0.1
Output VSWR
2.35 2.40 2.45 2.50 2.55 2.60
-0.2 -0.3 -0.4 -0.5 2.30
1.3 1.2 1.1 1.0 2.30
2.35
2.40
2.45
2.50
2.55
2.60
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 2.30
Isolation (dB)
-20
-30
-40 2.30
2.35
2.40
2.45
2.50
2.55
2.60
2.35
2.40
2.45
2.50
2.55
2.60
Frequency (GHz)
Frequency (GHz)
Isolation vs. Frequency
1.5 1.4
Coupled Port VSWR vs. Frequency
-16 -17
Coupling (dB)
Input...
