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Part Number HY17-12

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Alpha Industries, Inc. [781] 935-5150
·
Fax [617] 824-4579
·
Email sales@alphaind.com
·
www.alphaind.com
1
Specifications subject to change without notice. 3/99A
90 Degree Hybrid 1.71­1.88 GHz
Features
s
Low Cost
s
Low Profile
s
Small SOIC-8 Package
s
Tape & Reel
HY17-12
Description
The HY17-12 is a 90 degree hybrid tuned for the
1.71­1.88 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.
1. Less 3 dB power split.
12
3
4
RF IN
GND
ISOL.
GND
87
6
5
GND
COUPLED
DIRECT
GND
HY17
Pin Out
DIRECT
COUPLED
IN
ISOLATED
Block Diagram
Parameter
Min.
Typ.
Max.
Unit
Frequency
1.71
1.88
GHz
Insertion Loss
1
.5
.6
dB
Isolation
19
20
dB
VSWR All Ports
1.2:1
1.3:1
Amplitude Balance
+.5 +1.0
dB
Phase Balance
+1.0
+2.0
Deg.
Electrical Specifications at 25°C
Alpha Industries, Inc. [781] 935-5150
·
Fax [617] 824-4579
·
Email sales@alphaind.com
·
www.alphaind.com
2
Specifications subject to change without notice. 3/99A
90 Degree Hybrid 1.71­1.88 GHz
HY17-12
Path Losses vs. Frequency
Frequency (GHz)
1.70
1.73
1.76
1.79
1.82
1.85
1.88
L
o
s
s

(
d
B
)
-4.00
-3.80
-3.60
-3.40
-3.20
-3.00
Direct
Coupled
Amplitude Balance vs. Frequency
Frequency (GHz)
1.70
1.73
1.76
1.79
1.82
1.85
1.88
B
a
l
a
n
c
e

(
d
B
)
-1.00
1.00
0.75
0.50
0.25
0.00
-0.25
-0.50
-0.75
Input VSWR vs. Frequency
Frequency (GHz)
1.70
1.73
1.76
1.79
1.82
1.85
1.88
V
S
W
R

(
:
1
)
1.00
1.05
1.10
1.15
1.20
1.25
1.30
Output VSWR vs. Frequency
Frequency (GHz)
1.70
1.73
1.76
1.79
1.82
1.85
1.88
V
S
W
R

(
:
1
)
1.00
1.05
1.10
1.15
1.20
1.25
1.30
Coupled
Direct
Coupled ­ Direct Phase vs. Frequency
Frequency (GHz)
1.70
1.73
1.76
1.79
1.82
1.85
1.88
P
h
a
s
e

(
D
e
g
.
)
89.00
89.40
89.80
90.20
90.60
91.00
Isolation vs. Frequency
Frequency (GHz)
1.70
1.73
1.76
1.79
1.82
1.85
1.88
I
s
o
l
a
t
i
o
n

(
d
B
)
-45.00
-36.00
-27.00
-18.00
-9.00
0.00
Typical Performance Data
90 Degree Hybrid 1.71­1.88 GHz
HY17-12
Alpha Industries, Inc. [781] 935-5150
·
Fax [617] 824-4579
·
Email sales@alphaind.com
·
www.alphaind.com
3
Specifications subject to change without notice. 3/99A
Characteristic
Value
Input Power
1
+4 W
Operating Temperature
-40°C to +85°C
Storage Temperature
-65°C to +150°C
Electrostatic Discharge
+125 V
Absolute Maximum Ratings
1. Exceeding these parameters may cause irreversible damage.
Recommended Board Layout
0.1630
0.0282
0.0180
TYP.
0.0424
0.0200 DIA.
VIA 12 PLACES
SOIC-8
0.049
(1.24 mm)
0.016
(0.41 mm)
0.016 MAX.
(0.41 mm) x
45° CHAMFER
PIN 1
0.197 (5.00 mm)
0.189 (4.80 mm)
0.068
(1.73 mm) MAX.
0.010 (0.25 mm)
0.004 (0.10 mm)
0.010 (0.25 mm)
0.007 (0.17 mm)
0.158 (4.00 mm)
0.150 (3.80 mm)
8°
MAX.
0.020 (0.51 mm) MAX.
0.244 (6.20 mm)
0.228 (5.80 mm)
0.050 (1.27 mm) BSC
PIN 8
PIN 1
INDICATOR
Materials 10 mil FR-4.
Dimensions are in inches.