ALPHA DC16-73

Directional Coupler
DC16-73
Features
■ Low Cost
■ Low Profile
■ Small SOT-6 Package
■ Tape & Reel
Description
The DC16-73 is a monolithic directional coupler for low
cost wireless applications. It offers low loss, good isolation,
good input/output matching and exceptional coupling
repeatability. Performance is specified for two different
bands. It is available in the SOT-6 leaded surface mount
package.
Electrical Specifications at 25°C
Parameter
Min.
Frequency
Typ.
1.42
Insertion Loss1
.25
Isolation
23
Input VSWR
Output VSWR
Coupling
14.6
Coupled Port VSWR
Max.
Unit
Min.
1.66
GHz
1.71
.35
dB
24
.35
dB
1.1:1
1.3:1
1.1:1
1.3:1
15.6
16.6
1.1:1
1.3:1
Typ.
22
dB
13.8
Max.
Unit
1.99
GHz
.45
dB
23
dB
1.1:1
1.3:1
1.1:1
1.3:1
14.8
15.8
1.1:1
1.3:1
dB
1. Coupling loss included.
Pin Out
Block Diagram
6
OUT
5
GND
4
DC16
3
COUPLED
2
GND
1
GND
RF IN
1
6
2
5
3
4
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
Directional Coupler
DC16-73
0.0
1.5
-0.5
1.4
Output VSWR
Insertion Loss (dB)
Typical Performance Data
-1.0
-1.5
1.1
-2.5
0.3 0.6 0.9 1.2 1.5 1.8 2.1 2.4 2.7 3.0
1.0
0.3 0.6 0.9 1.2 1.5 1.8 2.1 2.4 2.7 3.0
Frequency (GHz)
Frequency (GHz)
Insertion Loss vs. Frequency
Output VSWR vs. Frequency
1.5
Coupled Port VSWR
Isolation (dB)
1.2
-2.0
0.0
-10.0
-20.0
-30.0
-40.0
0.3 0.6 0.9 1.2 1.5 1.8 2.1 2.4 2.7 3.0
1.4
1.3
1.2
1.1
1.0
0.3 0.6 0.9 1.2 1.5 1.8 2.1 2.4 2.7 3.0
Frequency (GHz)
Frequency (GHz)
Isolation vs. Frequency
Coupled Port VSWR vs. Frequency
1.5
-5.0
1.4
-10.0
Coupling (dB)
Input VSWR
1.3
1.3
1.2
-15.0
-20.0
1.1
-25.0
1.0
0.3 0.6 0.9 1.2 1.5 1.8 2.1 2.4 2.7 3.0
-30.0
0.3 0.6 0.9 1.2 1.5 1.8 2.1 2.4 2.7 3.0
Frequency (GHz)
Frequency (GHz)
Input VSWR vs. Frequency
Coupling vs. Frequency
Alpha Industries, Inc. [781] 935-5150 • Fax [617] 824-4579 • Email [email protected] • www.alphaind.com
Specifications subject to change without notice. 3/99A
2
Directional Coupler
DC16-73
Absolute Maximum Ratings
SOT-6
Characteristic
Value
Input Power
0.074
(1.90 mm REF.)
+4 W
Operating Temperature
-40°C to +85°C
Storage Temperature
-65°C to +150°C
Electrostatic Discharge
+125 V
Note: Exceeding these parameters may cause irreversible damage.
Recommended Board Layout
0.075
0.018 TYP.
0.020
0.126 (3.20 mm)
0.087 (2.20 mm)
PIN 6
0.071 (1.80 mm)
0.052 (1.30 mm)
PIN 1
INDICATOR
PIN 1
0.020 (0.51 mm)
0.014 (0.350 mm)
0.037 (0.95 mm) REF.
0.057 (1.45 mm)
0.035 (0.90 mm)
0.006
(0.15 mm)
0.000
(0.00 mm)
5.0˚ ± 1˚
0.012
(0.30 mm)
TYP.
0.014
(0.26 mm)
0.004
(0.10 mm)
5.0˚ ± 1˚
0.122 (3.10 mm)
0.106 (2.70 mm)
0.022 (0.61 mm)
0.004 (0.10 mm)
0.015
0.039 TYP.
0.0200 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