Directional Coupler 1.42–1.66 GHz
DC15-73 Features
s Low Cost s Low Profile s Available in Small SOT-6 Lead Package s Tape & Reel
Description
The DC15-73 is a monolithic directional coupler tailored to the 1.42–1.66 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 19.4 30 Min. 1.42 0.2 34 1.1:1 1.1:1 18.4 1.1:1 1.3:1 1.3:1 17.4 1.3:1 dB Typ. Max. 1.66 0.3 Unit GHz dB dB
Pin Out
Block Diagram
Coupled
DC15
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 1.42–1.66 GHz
DC15-73
Typical Performance Data
-0.0 -0.1 -0.2 -0.3 -0.4 -0.5 1.40 1.5 1.4
Insertion Loss (dB)
Output VSWR
1.45 1.50 1.55 1.60 1.65 1.70
1.3 1.2 1.1 1.0 1.40
1.45
1.50
1.55
1.60
1.65
1.70
Frequency (GHz)
Frequency (GHz)
Insertion Loss vs. Frequency
0 1.5
Output VSWR vs. Frequency
-10
Coupled Port VSWR
1.4 1.3 1.2 1.1 1.0 1.40
Isolation (dB)
-20
-30
-40 1.40
1.45
1.50
1.55
1.60
1.65
1.70
1.45
1.50
1.55
1.60
1.65
1.70
Frequency (GHz)
Frequency (GHz)
Isolation vs. Frequency
1.5 1.4
Coupled Port VSWR vs. Frequency
-16 -17
Coupling (dB)
Input VSWR
-18 -19 -20 -21 -22 1.40
1.3 1.2 1.1 1.0 1.40
1.45
1.50
1.55
1.60
1.65
1.70
1.45
1.50
1.55
1.60
1.65
1.70
Frequency (GHz)
Frequency (GHz)
Input VSWR vs. Frequency
Coupling vs. Frequency
2
Alpha Industries, Inc. [781] 935-5150 • Fax [617] 824-4579 • Email
[email protected] • www.alphaind.com
Specifications subject to change without notice. 3/99A
Characteristic Input Power1 Operating Temperature Storage Temperature 0.018 TYP. 0.015 TYP.
Directional Coupler 1.42–1.66 GHz
DC15-73
Absolute Maximum Ratings
1. When operating with a 2.0:1 maximum VSWR on all ports.
Recommended Board Layout
,,,,,, ,,,,,, ,,,,,, ,,, ,,, ,,, ,,,,,, ,,,,,, ,,,,,,
DC15
y ,
0.039 TYP.
SOT-6
Value 4.0 W CW -40°C to +85°C -65°C to +150°C
0.074 (1.90 mm REF.) PIN 6 PIN 1 INDICATOR PIN 1 0.020 (0.51 mm) 0.014 (0.350 mm) 0.057 (1.45 mm) 0.035 (0.90 mm) 0.126 (3.20 mm) 0.087 (2.20 mm) 0.071 (1.80 mm) 0.052 (1.30 mm)
0.037 (0.95 mm) REF. 0.012 (0.30 mm) TYP. 0.014 (0.26 mm) 0.004 (0.10 mm) 5.0˚ ± 1˚
,,,,,, ,,,,,, ,,,,,, ,,,, ,,,, ,,,, ,,,, ,,,, ,,,,
0.075
0.020
0.006 (0.15 mm) 0.000 (0.00 mm)
5.0˚ ± 1˚
0.122 (3.10 mm) 0.106 (2.70 mm)
0.022 (0.61 mm) 0.004 (0.10 mm)
0.020 DIA. VIA 3 PLACES
Material is 10 mil FR4
Alpha Industries, Inc. [781] 935-5150 • Fax [617] 824-4579 • Email
[email protected] • www.alphaind.com
Specifications subject to change without notice. 3/99A
3
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