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DC1900A20 Datasheet Preview

DC1900A20 Datasheet

Directional Coupler

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Description
The DC1900A20 is a low profile, high performance 20dB directional
coupler. It is designed for DCS & PCS applications. This component is
suitable for feed-forward amplifier and signal sampling circuits where low
insertion loss, high directivity is required. It can be used in power
applications up to 150 Watts.
Parts have been subjected to rigorous qualification testing and they are
using materials with coefficients fo thermal expansion(CTE) compatible
with common substrates such as FR4, G-10, RF-35, RO4350B and
polyimide.
DC1900A20
Directional Coupler
Rev A0
Orientation Marker
Part No.
Signal Pad
GND
Features:
● 1700-2000 MHz
● DCS & PCS
● Low Insertion Loss
● High Directivity
● Low VSWR
● Good Repeatability
● CTE compatible with FR4, G-10,
RF-35, RO4350B and polyimide
● Immersion gold, prevent surface
oxidation & scratch
● RoHS Compliant
● Tape & Reel Package available
Mechanical Outline
TOP VIEW
Pin 1
Electrical Specifications
Frequency Coupling
MHz
1700 - 2000
dB
20±0.8
Directivity
dB Min
20
VSWR
Max : 1
1.15
Insertion
Loss
dB Max
0.15
Power
Avg. CW Watts
150
Operating
Temp.
ºC
-55 to +95
Note:
1. All above test data resulting from specify demo board.
2. Insertion loss has removed the thru board loss.
SIDE VIEW
BOTTOM VIEW
Pin 2
Pin 2
Pin 1
YANTEL
DC1900A20
XXXX
Pin 4
Pin 3
Pin 3
Pin 4
Yantel Corporation
Add Floor 2, Building 2, Gaofa Technology Park, Longjing, Nanshan, Shenzhen, China
Tel 86-755-8355-1886 Fax 86-755-8355-2533
For detailed performance specs & shopping online see Yantel web site : www.yantel-corp.com




Yantel

DC1900A20 Datasheet Preview

DC1900A20 Datasheet

Directional Coupler

No Preview Available !

DC1900A20
Directional Coupler
Rev A0
Directional Coupler Pin Configuration
The DC1900A20 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
Pin 2
Input Transmission
Transmission Input
Pin 3
Isolate
Coupling
Pin 4
Coupling
Isolate
Typical Performance Data (@25)
Frequency
(MHz)
1700
1715
1730
1745
1760
1775
1790
1805
1820
1835
1850
1865
1880
1895
1910
1925
1940
1955
1970
1985
2000
Coupling
(dB)
-20.51
-20.46
-20.45
-20.53
-20.69
-20.56
-20.54
-20.45
-20.37
-20.35
-20.49
-20.66
-20.67
-20.71
-20.76
-20.74
-20.71
-20.67
-20.68
-20.70
-20.78
Transmission
(dB)
-0.09
-0.07
-0.08
-0.11
-0.11
-0.10
-0.10
-0.09
-0.08
-0.08
-0.10
-0.10
-0.09
-0.09
-0.09
-0.09
-0.10
-0.09
-0.07
-0.04
-0.03
Insertion
Loss
(dB)
-0.05
-0.03
-0.04
-0.07
-0.07
-0.06
-0.06
-0.05
-0.04
-0.04
-0.06
-0.06
-0.05
-0.05
-0.05
-0.05
-0.06
-0.05
-0.03
0.00
0.01
Directivity
(dB)
-29.08
-28.25
-27.83
-27.60
-27.13
-27.05
-26.65
-26.30
-25.95
-26.13
-26.13
-26.10
-25.54
-25.81
-26.12
-25.96
-25.97
-25.88
-24.72
-24.35
-24.59
S11
-28.42
-28.32
-28.13
-27.80
-27.33
-27.51
-27.42
-27.34
-27.26
-27.17
-26.73
-26.55
-26.76
-26.77
-26.80
-26.93
-26.09
-27.24
-27.41
-27.59
-27.74
Return Loss(dB)
S22
-32.50
-32.57
-32.72
-32.93
-33.17
-33.31
-33.29
-33.16
-32.95
-32.70
-32.33
-31.76
-31.12
-30.71
-30.13
-29.50
-29.03
-28.37
-27.61
-26.95
-26.48
S33
-26.97
-26.88
-27.01
-27.12
-27.20
-27.06
-26.79
-26.56
-26.46
-26.63
-26.94
-27.15
-27.14
-27.11
-27.02
-27.00
-27.20
-27.58
-27.87
-28.11
-28.14
S44
-37.85
-38.54
-39.88
-40.58
-40.81
-46.11
-53.40
-50.78
-43.12
-39.49
-37.56
-36.82
-36.02
-34.45
-33.12
-31.77
-30.87
-30.31
-29.44
-29.46
-28.25
Yantel Corporation
Add Floor 2, Building 2, Gaofa Technology Park, Longjing, Nanshan, Shenzhen, China
Tel 86-755-8355-1886 Fax 86-755-8355-2533
For detailed performance specs & shopping online see Yantel web site : www.yantel-corp.com


Part Number DC1900A20
Description Directional Coupler
Maker Yantel
Total Page 9 Pages
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