90 Degree Hybrid 1.85–1.99 GHz
HY19-12 Features
s Low Cost s Low Profile s Small SOIC-8 Package s Tape & Reel
Description
The HY19-12 is a 90 degree hybrid tuned for the 1.85–1.99 GHz band. The monolithic circuitry is 100% passive and offers low loss, high isolation and exceptional phase/amplitude balance. It is available in the SOIC-8 leaded surface mount package.
Electrical Specifications at 25°C
Parameter Frequency Insertion Loss1 Isolation VSWR All Ports Amplitude Balance Phase Balance
1. Less 3 dB power split.
Min. 1.85
Typ. .5
Max. 1.99 .6 1.5:1 ±1.1 ±2.0
Unit GHz dB dB dB Deg.
17
20 1.3:1 ±.5 ±1.0
Pin Out
RF IN DIRECT
Block Diagram
IN DIRECT
1
8
HY19
GND
GND ISOLATED COUPLED
2 3 4
7 6
GND
GND
ISOL.
COUPLED
Alpha Industries, Inc. [781] 935-5150 • Fax [617] 824-4579 • Email
[email protected] • www.alphaind.com
Specifications subject to change without notice. 3/99A
5
1
90 Degree Hybrid 1.85–1.99 GHz
HY19-12
Typical Performance Data
-3.00 -3.20 Direct -3.40 -3.60 Coupled -3.80 -4.00 1.85 1.87 1.30 1.25
VSWR (:1)
1.89 1.91 1.93 1.95 1.97 1.99
Loss (dB)
1.20 1.15 1.10 1.05 1.00 1.85 1.87
1.89
1.91
1.93 1.95 1.97 1.99
Frequency (GHz)
Frequency (GHz)
Path Losses vs. Frequency
1.00 0.75 0.50 1.30 1.25
Input VSWR vs. Frequency
Balance (dB)
VSWR (:1)
0.25 0.00 -0.25 -0.50 -0.75 -1.00 1.85 1.87 1.89 1.91 1.93 1.95 1.97 1.99
1.20 1.15 1.10 1.05
Coupled
Direct
1.00 1.85 1.87
1.89
1.91
1.93 1.95 1.97 1.99
Frequency (GHz)
Frequency (GHz)
Amplitude Balance vs. Frequency
91.00 90.60 0.00 -9.00
Output VSWR vs. Frequency
Phase (Deg.)
90.20 89.80 89.40 89.00 1.85 1.87
Isolation (dB)
1.89 1.91 1.93 1.95 1.97 1.99
-18.00 -27.00 -36.00 -45.00 1.85 1.87
1.89
1.91
1.93 1.95 1.97 1.99
Frequency (GHz)
Frequency (GHz)
Coupled – Direct Phase vs. Frequency
Isolation 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
90 Degree Hybrid 1.85–1.99 GHz
HY19-12
Absolute Maximum Ratings
Characteristic Input Power1 Operating Temperature Storage Temperature Electrostatic Discharge Value +4 W -40°C to +85°C -65°C to +150°C +125 V
SOIC-8
PIN 8 0.050 (1.27 mm) BSC
PIN 1 INDICATOR
0.244 (6.20 mm) 0.228 (5.80 mm)
1. Exceeding these parameters may cause irreversible damage. PIN 1 0.020 (0.51 mm) MAX. 0.049 (1.24 mm) 0.016 (0.41 mm) 0.016 MAX. (0.41 mm) x 45˚ CHAMFER
Recommended Board Layout
0.1630
0.068 (1.73 mm) MAX.
0.197 (5.00 mm) 0.189 (4.80 mm) 0.010 (0.25 mm) 0.004 (0.10 mm)
0.158 (4.00 mm) 0.150 (3.80 mm) 0.010 (0.25 mm) 0.007 (0.17 mm)
8˚ MAX.
0.0424 0.0282 0.0200 DIA. VIA 12 PLACES 0.0180 TYP.
Materials 10 mil FR-4. Dimensions are in inches.
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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