Directional Coupler 1.71鈥?.99 GHz
DC18-73
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鈥?.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擄C
Parameter
Frequency
Insertion Loss
Isolation
Input VSWR
Output VSWR
Coupling
Coupled Port VSWR
19.8
30
Min.
1.71
0.2
38
1.1:1
1.1:1
18.8
1.2:1
1.3:1
1.3:1
17.8
1.4:1
dB
Typ.
Max.
1.99
0.3
Unit
GHz
dB
dB
Pin Out
Block Diagram
Coupled
DC18
1
2
3
GND
GND
COUPLED
OUT
GND
IN
Alpha Industries, Inc.
[781] 935-5150
鈥?/div>
Fax
[617] 824-4579
鈥?/div>
Email
sales@alphaind.com
鈥?/div>
www.alphaind.com
Specifications subject to change without notice. 3/99A
6
5
4
Out
In
1
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