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Directional Coupler 2.30-2.60 GHz
DC25-73 Features
Low Cost Low Profile Available in Small SOT-6 Lead Package Tape & Reel
-6 SOT
SOT -6
SO T-6
SOT -6
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 25C
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
Skyworks Solutions, Inc. [978] 241-7000 * Fax [978] 241-7906 * Email sales@skyworksinc.com * www.skyworksinc.com
Specifications subject to change without notice. 6/99A
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
-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
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 VSWR
-18 -19 -20 -21 -22 2.30
1.3 1.2 1.1 1.0 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)
Input VSWR vs. Frequency
Coupling vs. Frequency
2
Skyworks Solutions, Inc. [978] 241-7000 * Fax [978] 241-7906 * Email sales@skyworksinc.com * www.skyworksinc.com
Specifications subject to change without notice. 6/99A
Directional Coupler 2.30-2.60 GHz
DC25-73
Absolute Maximum Ratings
Characteristic Input Power1 Operating Temperature Storage Temperature Value +4.0 W CW -40C to +85C -65C to +150C
SOT-6
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)
1. When operating with a 2.0:1 maximum VSWR on all ports.
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
Recommended Board Layout
0.018 TYP.
0.015 TYP.
;;;;;; ;;;;;; ;;;; ;;;; ;;;; ;;;;;; ;;;;;;
0.039 TYP.
;;;;;; ;;;;;; ;;;; ;;;; ;;;; ;;;; ;;;; ;;;;
0.075
0.020
0.006 (0.15 mm) 0.000 (0.00 mm)
5.0 1
DC25
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
Skyworks Solutions, Inc. [978] 241-7000 * Fax [978] 241-7906 * Email sales@skyworksinc.com * www.skyworksinc.com
Specifications subject to change without notice. 6/99A
3

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