Available on Tape
and Reel For Pick and
Place Manufacturing.
USA/Canada:
Toll Free:
Europe
:
(315) 432-8909
(800) 544-2414
+44 2392-232392
Model 11305-20
Rev. A
Directional Couplers
20 dB
Description
The 11305-20 is a low profile 20dB directional coupler in an easy to use
surface mount package covering 1.0 to 2.0 GHz. The 11305-20 is ideal
for power and frequency detection and can be used in most high power
designs. Parts have been subjected to rigorous qualification testing and
units are 100% tested. They are manufactured using materials with x and
y thermal expansion coefficients compatible with common substrates such
as FR4, G-10 and polyamide.
ELECTRICAL
SPECIFICATIONS**
Frequency
Mean
Coupling
Insertion
Loss
VSWR
Freq.
Sensitivity
GHz
dB
dB Max
Max:1
dB Max
1.0 2.0
20.0 1.0
0.35
1.20
0.80
Directivity
Power
Handling
JC
Operating
Temp.
dB Min
Watts
C / Watt
C
Features:
1.0 2.0 GHz
Low loss
High Directivity
Surface Mountable
Tape And Reel
Convenient Package
100% Tested
18
60
14.2
-55 to +85
**Specification based on performance of unit properly installed on microstrip printed circuit
boards with 50
nominal impedance. Specifications subject to change without notice.
Outline Drawing
11305-20 Rev A Mechanical Outline
Dimensions are in Inches [Millimeters]
Bottom View (Far-side)
Side View
Top View (Near-side)
.073
.007
[1.85
0.18
]
.560
.010
[14.22
0.25
]
.350
.010
[8.89
0.25
]
.050
.008
[1.27
0.20
]
.050
.008
[1.27
0.20
]
Pin 4
Pin 4
Pin 3
Pin 1
Pin 2
Denotes
Array Number
GND
GND
Pin 2
Pin 1
Pin 3
.024
.004
TYP
[0.61
0.10
]
Part Is Symmetric About All Axis
USA/Canada:
Toll Free:
Europe:
(315) 432-8909
(800) 544-2414
+44 2392-232392
Available on Tape and
Reel For Pick and Place
Manufacturing.
Model 11305-20
Rev. A
Typical Performance: 0.9 GHz. to 2.1 GHz.
Pin Configuration
Mounting Footprint
To ensure proper electrical and thermal performance
there must be a ground plane with 100%
solder connection underneath the part
.063 SQ TYP
[1.60]
50
Transmission
Line
Dimensions are in Inches [Millimeters]
11305-20 Rev A Mounting Footprint
.250
[6.35]
.460
[11.68]
Part Is Symmetric About All Axis
.034 TYP
[0.86]
Multiple
plated thru holes
to ground
Coupling 11305-20
-22
-21.5
-21
-20.5
-20
-19.5
900
1200
1500
1800
2100
Frequency (MHz)
C
oupl
i
n
g (
d
B
)
Return Loss 11305-20
-50
-40
-30
-20
-10
0
900
1200
1500
1800
2100
Frequency (MHz)
R
e
tu
r
n
L
o
s
s
(d
B
)
Transmission Loss 11305-20
-0.4
-0.3
-0.2
-0.1
0
900
1200
1500
1800
2100
Frequency (MHz)
T
r
ans
m
i
s
s
i
on Los
s
(dB
)
Directivity 11305-20
-50
-40
-30
-20
-10
0
900
1100
1300
1500
1700
1900
2100
Frequency (MHz)
D
i
re
c
t
i
v
i
t
y
(d
B
)
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