Model X3C21P1-05S
Rev B
5dB Directional Coupler
PRELIMINARY
Description
The X3C21P1-05S is a low profile, high performance 5dB directional
coupler in a new easy to use, manufacturing friendly surface mount
package. It is designed for WCDMA and LTE applications. The
X3C21P1-05S is designed particularly for non-binary split and combine
in high power amplifiers, e.g. used along with a 3dB to get a 3-way, plus
other signal distribution applications where low insertion loss is
required. It can be used in high power applications up to 60 Watts.
Parts have been subjected to rigorous qualification testing and they are
manufactured using materials with coefficients of thermal expansion
(CTE) compatible with common substrates such as FR4, G-10, RF-35,
RO4003 and polyimide. Produced with 6 of 6 RoHS compliant tin
immersion finish
Electrical Specifications
**
Features:
2000-2300 MHz
WCDMA and LTE
High Power
Very Low Loss
Tight Coupling
High Directivity
Production Friendly
Tape and Reel
Lead Free
Frequency
MHz
Mean
Coupling
dB
Insertion
Loss
dB Max
VSWR
Max : 1
Phase
Balance
Degrees
2000-2300
2110-2170
Directivity
dB Min
5.0 ± 0.3
5.0 ± 0.2
Frequency
Sensitivity
dB Max
0.15
0.13
Power
Avg. CW Watts
1.22
1.12
JC
ºC/Watt
904.0
902.0
Operating
Temp.
ºC
20
25
± 0.25
± 0.05
60
60
29
29
-55 to +95
-55 to +95
**Specification based on performance of unit properly installed on Anaren Test Board 54147-0001. Refer to
Specifications subject to change without notice. Refer to parameter definitions for details.
Mechanical Outline
Available on Tape
and Reel for Pick and
Place Manufacturing.
USA/Canada:
Toll Free:
Europe
:
(315) 432-8909
(800) 411-6596
+44 2392-232392
Model X3C21P1-05S
Rev B
Directional Coupler Pin Configuration
The X3C21P1-05S has an orientation marker to denote Pin 1. Once port one has been identified the other ports are
known automatically. Please see the chart below for clarification:
Pin 1
Input
Isolated
Direct
Coupled
Pin 2
Isolated
Input
Coupled
Direct
Pin 3
Direct
Coupled
Input
Isolated
Pin 4
Coupled
Direct
Isolated
Input
Note: The direct port has a DC connection to the input port and the coupled port has a DC connection to the
isolated port.
USA/Canada:
Toll Free:
Europe:
(315) 432-8909
(800) 411-6596
+44 2392-232392
Available on Tape and
Reel for Pick and Place
Manufacturing.
Model X3C21P1-05S
Rev B
Insertion Loss and Power Derating Curves
Typical Insertion Loss Derating Curve for X3C21P1-05
-0.04
120
PRELIMINARY
X3C21P1-05 Power Derating Curve
typical insertion loss (f=2300Mhz)
-0.06
typical insertion loss (f=2170Mhz)
100
2000 - 2300Mhz
-0.08
Insertion Loss (dB)
Power (Watts)
80
-0.1
60
-0.12
40
-0.14
20
-0.16
-100
0
-50
0
50
100
150
200
0
50
95
100
o
150
200
Temperature of the Part (
o
C)
Mounting Interface Temperature ( C)
Insertion Loss Derating:
The insertion loss, at a given frequency, of a group of
couplers is measured at 25C and then averaged.
The measurements are performed under small signal
conditions (i.e. using a Vector Network Analyzer).
The process is repeated at 85C and 150C. A best-
fit line for the measured data is computed and then
plotted from -55C to 150C.
Power Derating:
The power handling and corresponding power derating
plots are a function of the thermal resistance, mounting
surface temperature (base plate temperature), maximum
continuous operating temperature of the coupler, and the
thermal insertion loss. The thermal insertion loss is
defined in the Power Handling section of the data sheet.
As the mounting interface temperature approaches the
maximum continuous operating temperature, the power
handling decreases to zero.
Available on Tape
and Reel for Pick and
Place Manufacturing.
USA/Canada:
Toll Free:
Europe
:
(315) 432-8909
(800) 411-6596
+44 2392-232392
Model X3C21P1-05S
Rev B
Typical Performance (-55°C, 25°C and 95°C): 2000-2300 MHz
Return Loss for X3C21P1-05S(Feeding port1)
0
25ºC
-55ºC
95ºC
-10
-10
0
Return Loss for X3C21P1-05S(Feeding port2)
25ºC
-55ºC
95ºC
-20
Return Loss (dB)
Return Loss (dB)
-20
-30
-30
-40
-40
-50
-50
-60
2000
2050
2100
2150
2200
Frequency (Mhz)
2250
2300
-60
2000
2050
2100
2150
2200
Frequency (Mhz)
2250
2300
Return Loss for X3C21P1-05S(Feeding port3)
0
25ºC
-55ºC
95ºC
-10
-10
0
Return Loss for X3C21P1-05S(Feeding port4)
25ºC
-55ºC
95ºC
-20
Return Loss (dB)
Return Loss (dB)
-20
-30
-30
-40
-40
-50
-50
-60
2000
2050
2100
2150
2200
Frequency (Mhz)
2250
2300
-60
2000
2050
2100
2150
2200
Frequency (Mhz)
2250
2300
USA/Canada:
Toll Free:
Europe:
(315) 432-8909
(800) 411-6596
+44 2392-232392
Available on Tape and
Reel for Pick and Place
Manufacturing.
Model X3C21P1-05S
Rev B
PRELIMINARY
Typical Performance (-55°C, 25°C and 95°C): 2000-2300 MHz
Coupling for X3C21P1-05S(Feeding port1)
-4.5
25ºC
-55ºC
95ºC
Directivity for X3C21P1-05S(Feeding port1)
0
25ºC
-55ºC
95ºC
-10
-4.6
-4.7
-4.8
-20
Directivity (dB)
-4.9
Coupling (dB)
-5
-30
-5.1
-40
-5.2
-5.3
-50
-5.4
-5.5
2000
2050
2100
2150
2200
Frequency (Mhz)
2250
2300
-60
2000
2050
2100
2150
2200
Frequency (Mhz)
2250
2300
Insertion Loss for X3C21P1-05S(Feeding port1)
0
25ºC
-55ºC
95ºC
Phase balance for X3C21P1-05S(Feeding port1)
4
25ºC
-55ºC
95ºC
-0.02
3
-0.04
2
-0.06
Phase Balance (Degree)
1
Insertion Loss (dB)
-0.08
-0.1
0
-0.12
-1
-0.14
-2
-0.16
-3
-0.18
-0.2
2000
2050
2100
2150
2200
Frequency (Mhz)
2250
2300
-4
2000
2050
2100
2150
2200
Frequency (Mhz)
2250
2300
Available on Tape
and Reel for Pick and
Place Manufacturing.
USA/Canada:
Toll Free:
Europe
:
(315) 432-8909
(800) 411-6596
+44 2392-232392
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