CP0603 High Directivity LGA Termination Datasheet by AVX Corporation
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—|>< ****="" \v/)i(="" ’3?="" u)="">The ITF LGA Coupler is based on thin-film multilayer technology.
The technology provides a miniature part with excellent high frequency
performance and rugged construction for reliable automatic assembly.
The ITF Coupler is offered in a variety of frequency bands compatible
with various types of high frequency wireless systems.
APPLICATIONS
• Mobile Communications
• Satellite TV Receivers
• GPS
• Vehicle Location Systems
• Wireless LAN’s
L
T
S
W
B
A
DIMENSIONS: millimeters (inches)
(Bottom View)
L1.60±0.10
(0.063±0.004)
W0.84±0.10
(0.033±0.004)
T0.60±0.10
(0.024±0.004)
Thin-Film Directional Couplers
CP0603 High Directivity LGA Termination
GENERAL DESCRIPTION
ITF (Integrated Thin-Film) TECHNOLOGY
A0.25±0.05
(0.010±0.002)
B0.20±0.05
(0.008±0.002)
S0.05±0.05
(0.002±0.002)
FEATURES
• Inherent Low Profile
• Self Alignment during Reflow
• Excellent Solderability
• Low Parasitics
• Better Heat Dissipation
• Operating/Storage Temp
-40°C to +85°C
• Power Rating 3W RF Cont
1.75 (0.069)
0.50
(0.020)
0.40
(0.016)
1.10
(0.043)
QUALITY INSPECTION
Finished parts are 100% tested for electrical parameters and
visual characteristics. Each production lot is evaluated on a
sample basis for:
• Static Humidity: 85°C, 85% RH, 160 hours
• Endurance: 125°C, IR, 4 hours
TERMINATION
Sn90Pb10 or Lead-Free Sn100 Nickel/Solder coating
compatible with automatic soldering technologies: reflow,
wave soldering, vapor phase and manual.
TERMINALS (Top View)
CP
Style
Directional Coupler
0603
Size
0603
X
Type
****
Frequency
(MHz)
X
Sub Type
N
Termination
Code
L = LGA Sn90, Pb10
**N = LGA Sn100
TR
Packaging Code
TR = Tape and Reel
HOW TO ORDER
OUT
IN
50 OHM
COUPLING
Recommended Pad Layout Dimensions mm (inches)
IN CP
50
OHM
IN
OUT
50
OHM
OUT
CP
ORIENTATION IN TAPE
*The recommended distance to the PCB Ground Plane is 0.254mm (0.010")
Not RoHS Compliant
LEAD-FREE COMPATIBLE
COMPONENT
**RoHS compliant
For RoHS compliant products,
please select correct termination style.
3
53
/A\V/)I( RF
/
/’___../
//
Frequency [GHz]
/A\V/)I(
Thin-Film Directional Couplers
CP0603 High Directivity LGA Termination
CP0603 - TYPE SELECTION CHART
-40
-35
-30
-25
-20
-15
-10
-5
0
0.511.522.533.544.555.56
dB
Frequency [GHz]
CP0603AxxxxFN
CP0603AxxxxMN
CP0603AxxxxAN
CP0603AxxxxCN
CP0603AxxxxHN
CP0603AxxxxBN
CP0603AxxxxDN
CP0603AxxxxGN
CP0603AxxxxEN
CP0603AxxxxKN
CP0603AxxxxLN
Coupling vs. Frequency
Intermediate coupling factors are readily available.
Please contact factory.
3
54
/A\V/)I( RF
/A\V/)I(
Thin-Film Directional Couplers
CP0603 High Directivity LGA Type
Important: Couplers can be used at any frequency within the indicated range.
3
55
Coupler P/N CP0603AxxxxAN
Coupler P/N CP0603AxxxxBN
Frequency Coupling I. Loss Return Directivity
Application P/N Band [dB] max. Loss [dB]
Examples* [MHz] [dB] [dB]
AMPS CP0603A0836AN 824 - 849 20.0 0.25 28
CP0603A0881AN 869 - 894 19.7 0.25 28
GSM CP0603A0902AN 890 - 915 19.4 0.25 27
CP0603A0947AN 935 - 960 19.0 0.25 27
E-GSM CP0603A0897AN 880 - 915 19.4 0.25 28
CP0603A0942AN 925 - 960 19.0 0.25 27
PDC CP0603A1441AN 1429 - 1453 15.5 0.40 24 22
PCN CP0603A1747AN 1710 - 1785 14.0 0.50 22
CP0603A1842AN 1805 - 1880 13.5 0.50 22
PCS CP0603A1880AN 1850 - 1910 13.2 0.50 22
CP0603A1960AN 1930 - 1990 13.0 0.55 21
PHP CP0603A1907AN 1895 - 1920 13.2 0.50 22
DECT CP0603A1890AN 1880 - 1900 13.2 0.50 22
Wireless LAN CP0603A2442AN 2400 - 2484 11.5 0.75 20
CP0603A3500AN 3450 - 3550 8.6 1.3 17 20
WiFi CP0603A5000AN 4950 - 5050 6.1 2.2 13 14
CP0603A5500AN 5450 - 5550 5.5 2.5 15 13
CP0603A6000AN 5950 - 6050 5 3 11.6 13
Frequency Coupling I. Loss Return Directivity
Application P/N Band [dB] max. Loss [dB]
Examples* [MHz] [dB] [dB]
AMPS CP0603A0836BN 824 - 849 23.0 0.20 31
CP0603A0881BN 869 - 894 22.7 0.20 31
GSM CP0603A0902BN 890 - 915 22.5 0.20 31
CP0603A0947BN 935 - 960 22.0 0.20 30 24
E-GSM CP0603A0897BN 880 - 915 22.5 0.20 31
CP0603A0942BN 925 - 960 22.0 0.20 30
PDC CP0603A1441BN 1429 - 1453 18.5 0.25 27
PCN CP0603A1747BN 1710 - 1785 17.0 0.25 25
CP0603A1842BN 1805 - 1880 16.4 0.25 25
PCS CP0603A1880BN 1850 - 1910 16.2 0.25 25
CP0603A1960BN 1930 - 1990 16.0 0.25 24 21
PHP CP0603A1907BN 1895 - 1920 16.1 0.25 25
DECT CP0603A1890BN 1880 - 1900 16.2 0.25 25
Wireless LAN CP0603A2442BN 2400 - 2484 14.2 0.35 23
CP0603A3500BN 3450 - 3550 11.2 0.6 20 20
WiFi CP0603A5000BN 4950 - 5050 8.4 1.1 16.7 17
CP0603A5500BN 5450 - 5550 7.8 1.4 15.7 16
CP0603A6000BN 5950 - 6050 7.2 1.6 15 15
Coupler P/N CP0603AxxxxCN
Frequency Coupling I. Loss Return Directivity
Application P/N Band [dB] max. Loss [dB]
Examples* [MHz] [dB] [dB]
AMPS CP0603A0836CN 824 - 849 15.2 0.35 23
CP0603A0881CN 869 - 894 15.0 0.35 23
GSM CP0603A0902CN 890 - 915 14.7 0.35 23
CP0603A0947CN 935 - 960 14.3 0.40 22 23
E-GSM CP0603A0897CN 880 - 915 14.7 0.35 23
CP0603A0942CN 925 - 960 14.3 0.40 22
PDC CP0603A1441CN 1429 - 1453 11.0 0.70 19
PCN CP0603A1747CN 1710 - 1785 9.5 0.80 18
CP0603A1842CN 1805 - 1880 9.0 0.90 17
PCS CP0603A1880CN 1850 - 1910 8.8 0.90 17
CP0603A1960CN 1930 - 1990 8.5 1.00 17 21
PHP CP0603A1907CN 1895 - 1920 8.8 0.90 17
DECT CP0603A1890CN 1880 - 1900 8.8 0.90 17
Wireless LAN CP0603A2442CN 2400 - 2484 7.0 1.40 15
CP0603A3500CN 3450 - 3550 4.8 2.0 23 20
WiFi CP0603A5000CN 4950 - 5050 3.0 3.6 21 17
CP0603A5500CN 5450 - 5550 3.0 4.0 20.6 16
CP0603A6000CN 5950 - 6050 2.5 4.5 20.5 16
-48
-40
-32
-24
-16
-8
0
-60
-50
-40
-30
-20
-10
0
0.8 1.6 2.4 3.2 4 4.8 5.6 6.4
CP0603AxxxxANTR
I Loss [dB]
Coupling, Return Loss,
Isolation, [dB]
Frequency [GHz]
I. Loss
Coupling
R. Loss
Isolation
-10
-8
-6
-4
-2
0
-50
-40
-30
-20
-10
0
0.8 1.6 2.4 3.2 4.0 4.8 5.6 6.4
CP0603AxxxxBNTR
I Loss [dB]
Coupling, Return Loss,
Isolation, [dB]
Frequency [GHz]
I. Loss
Coupling
R. Loss
Isolation
-120
-100
-80
-60
-40
-20
0
-60
-50
-40
-30
-20
-10
0
0.8 1.6 2.4 3.2 4 4.8 5.6 6.4
CP0603AxxxxCNTR
I Loss [dB]
Coupling, Return Loss,
Isolation, [dB]
Frequency [GHz]
I. Loss
Coupling
R. Loss
Isolation
/A\V/)I( RF
/A\V/)I(
Thin-Film Directional Couplers
CP0603 High Directivity LGA Type
Important: Couplers can be used at any frequency within the indicated range.
3
56
Coupler P/N CP0603AxxxxDN
Coupler P/N CP603AxxxxEN
Frequency Coupling I. Loss Return Directivity
Application P/N Band [dB] max. Loss [dB]
Examples* [MHz] [dB] [dB]
AMPS CP0603A0836DN 824 - 849 22.0 0.25 31
CP0603A0881DN 869 - 894 21.8 0.25 30
GSM CP0603A0902DN 890 - 915 21.3 0.25 30
CP0603A0947DN 935 - 960 21.0 0.30 30 30
E-GSM CP0603A0897DN 880 - 915 21.3 0.25 30
CP0603A0942DN 925 - 960 21.0 0.30 30
PDC CP0603A1441DN 1429 - 1453 17.7 0.40 27
PCN CP0603A1747DN 1710 - 1785 16.0 0.40 25
CP0603A1842DN 1805 - 1880 15.4 0.40 25
PCS CP0603A1880DN 1850 - 1910 15.2 0.40 24
CP0603A1960DN 1930 - 1990 15.0 0.40 24 25
PHP CP0603A1907DN 1895 - 1920 15.2 0.40 24
DECT CP0603A1890DN 1880 - 1900 15.2 0.40 24
Wireless LAN CP0603A2442DN 2400 - 2484 13.3 0.55 22
CP0603A3500DN 3450 - 3550 10.1 0.66 25.3 20
WiFi CP0603A5000DN 4950 - 5050 7.8 1.17 21.1 18
CP0603A5500DN 5450 - 5550 6.8 1.39 19.9 18
CP0603A6000DN 5950 - 6050 6.3 1.64 18.8 17
Frequency Coupling I. Loss Return Directivity
Application P/N Band [dB] max. Loss [dB]
Examples* [MHz] [dB] [dB]
AMPS CP0603A0836EN 824 - 849 25.8 0.20 32
CP0603A0881EN 869 - 894 25.3 0.20 32
GSM CP0603A0902EN 890 - 915 25.0 0.20 32
CP0603A0947EN 935 - 960 24.7 0.20 31
E-GSM CP0603A0897EN 880 - 915 26.0 0.20 32
CP0603A0942EN 925 - 960 24.7 0.20 31
PDC CP0603A1441EN 1429 - 1453 22.0 0.25 28 21
PCN CP0603A1747EN 1710 - 1785 19.5 0.30 26
CP0603A1842EN 1805 - 1880 19.0 0.30 26
PCS CP0603A1880EN 1850 - 1910 18.8 0.30 26
CP0603A1960EN 1930 - 1990 18.5 0.30 26
PHP CP0603A1907EN 1895 - 1920 18.7 0.30 26
DECT CP0603A1890EN 1880 - 1900 18.8 0.30 26
Wireless LAN CP0603A2442EN 2400 - 2484 17.0 0.40 24
CP0603A3500EN 3450 - 3550 13.2 0.5 18 20
WiFi CP0603A5000EN 4950 - 5050 10.7 0.9 13 16
CP0603A5500EN 5450 - 5550 10.2 1.2 12 15
CP0603A6000EN 5950 - 6050 9.7 1.4 12 14
Coupler P/N CP603AxxxxFN
Frequency Coupling I. Loss Return Directivity
Application P/N Band [dB] max. Loss [dB]
Examples* [MHz] [dB] [dB]
AMPS CP0603A0836FN 824 - 849 31.2 0.20 32
CP0603A0881FN 869 - 894 30.8 0.20 32
GSM CP0603A0902FN 890 - 915 30.5 0.20 30
CP0603A0947FN 935 - 960 30.2 0.20 30
E-GSM CP0603A0897FN 880 - 915 30.5 0.20 30
CP0603A0942FN 925 - 960 30.2 0.20 30
PDC CP0603A1441FN 1429 - 1453 27.0 0.25 28 12
PCN CP0603A1747FN 1710 - 1785 25.0 0.25 27
CP0603A1842FN 1805 - 1880 26.5 0.25 27
PCS CP0603A1880FN 1850 - 1910 24.3 0.25 27
CP0603A1960FN 1930 - 1990 24.0 0.25 28
PHP CP0603A1907FN 1895 - 1920 24.2 0.25 27
DECT CP0603A1890FN 1880 - 1900 24.2 0.25 27
Wireless LAN CP0603A2442FN 2400 - 2484 21.5 0.25 25
CP0603A3500FN 3450 - 3550 17.8 0.33 20.0 13
WiFi CP0603A5000FN 4950 - 5050 15.4 0.62 14.86 12
CP0603A5500FN 5450 - 5550 14.8 0.86 13.58 12
CP0603A6000FN 5950 - 6050 14.3 1.02 12.58 11
-24
-20
-16
-12
-8
-4
0
-60
-50
-40
-30
-20
-10
0
0.8 1.6 2.4 3.2 4 4.8 5.6 6.4
CP0603AxxxxDNTR
I Loss [dB]
Frequency [GHz]
I. Loss
Coupling
R. Loss
Isolation
Coupling, Return Loss,
Isolation, [dB]
-24
-20
-16
-12
-8
-4
0
-60
-50
-40
-30
-20
-10
0
0.8 1.6 2.4 3.2 4 4.8 5.6 6.4
CP0603AxxxxENTR
I Loss [dB]
Frequency [GHz]
I. Loss
Coupling
R. Loss
Isolation
Coupling, Return Loss,
Isolation, [dB]
-24
-20
-16
-12
-8
-4
0
-60
-50
-40
-30
-20
-10
0
0.8 1.6 2.4 3.2 4 4.8 5.6 6.4
CP0603AxxxxFNTR
I Loss [dB]
Frequency [GHz]
I. Loss
Coupling
R. Loss
Isolation
Coupling, Return Loss,
Isolation, [dB]
/A\V/)I( RF
/A\V/)I(
Thin-Film Directional Couplers
CP0603 High Directivity LGA Type
Important: Couplers can be used at any frequency within the indicated range.
3
57
Coupler P/N CP603AxxxxGN
Coupler P/N CP603AxxxxHN
Frequency Coupling I. Loss Return Directivity
Application P/N Band [dB] max. Loss [dB]
Examples* [MHz] [dB] [dB]
AMPS CP0603A0836GN 824 - 849 34.2 0.20 30
CP0603A0881GN 869 - 894 33.8 0.20 30
GSM CP0603A0902GN 890 - 915 33.6 0.20 30
CP0603A0947GN 935 - 960 33.2 0.20 29
E-GSM CP0603A0897GN 880 - 915 33.6 0.20 30
CP0603A0942GN 925 - 960 33.2 0.20 29
PDC CP0603A1441GN 1429 - 1453 30.0 0.25 25 13
PCN CP0603A1747GN 1710 - 1785 28.5 0.25 24
CP0603A1842GN 1805 - 1880 28.0 0.25 24
PCS CP0603A1880GN 1850 - 1910 27.7 0.25 24
CP0603A1960GN 1930 - 1990 27.5 0.25 23
PHP CP0603A1907GN 1895 - 1920 27.6 0.25 24
DECT CP0603A1890GN 1880 - 1900 27.7 0.25 24
Wireless LAN CP0603A2442GN 2400 - 2484 25.5 0.25 22
CP0603A3500GN 3450 - 3550 21.6 0.31 20 13
WiFi CP0603A5000GN 4950 - 5050 19 0.39 16 12
CP0603A5500GN 5450 - 5550 18.5 0.57 15 12
CP0603A6000GN 5950 - 6050 18.0 0.74 14 11
Frequency Coupling I. Loss Return Directivity
Application P/N Band [dB] max. Loss [dB]
Examples* [MHz] [dB] [dB]
AMPS CP0603A0836HN 824 - 849 17.3 0.30 26
CP0603A0881HN 869 - 894 17.0 0.30 25
GSM CP0603A0902HN 890 - 915 16.7 0.30 25
CP0603A0947HN 935 - 960 16.3 0.35 25 26
E-GSM CP0603A0897HN 880 - 915 17.0 0.35 25
CP0603A0942HN 925 - 960 16.3 0.35 25
PDC CP0603A1441HN 1429 - 1453 13.0 0.55 22
PCN CP0603A1747HN 1710 - 1785 11.4 0.75 20
CP0603A1842HN 1805 - 1880 11.0 0.75 20
PCS CP0603A1880HN 1850 - 1910 10.8 0.75 19
CP0603A1960HN 1930 - 1990 10.5 0.75 19 24
PHP CP0603A1907HN 1895 - 1920 10.7 0.75 19
DECT CP0603A1890HN 1880 - 1900 10.8 0.75 19
Wireless LAN CP0603A2442HN 2400 - 2484 8.8 1.00 17
CP0603A3500HN 3450 - 3550 5.9 1.48 25 21
WiFi CP0603A5000HN 4950 - 5050 4.4 2.59 22 18
CP0603A5500HN 5450 - 5550 4 2.95 22 17
CP0603A6000HN 5950 - 6050 3.5 3.37 21 17
Coupler P/N CP603AxxxxMN
Frequency Coupling I. Loss Return Directivity
Application P/N Band [dB] max. Loss [dB]
Examples* [MHz] [dB] [dB]
AMPS CP0603A0836MN 824 - 849 24.2 0.20 33
CP0603A0881MN 869 - 894 23.8 0.20 32
GSM CP0603A0902MN 890 - 915 23.4 0.20 32
CP0603A0947MN 935 - 960 23.2 0.20 32 23
E-GSM CP0603A0897MN 880 - 915 23.4 0.20 32
CP0603A0942MN 925 - 960 23.2 0.20 32
PDC CP0603A1441MN 1429 - 1453 20.0 0.25 28
PCN CP0603A1747MN 1710 - 1785 18.4 0.25 27
CP0603A1842MN 1805 - 1880 18.0 0.25 26
PCS CP0603A1880MN 1850 - 1910 17.8 0.25 26
CP0603A1960MN 1930 - 1990 17.5 0.25 26 20
PHP CP0603A1907MN 1895 - 1920 17.7 0.25 26
DECT CP0603A1890MN 1880 - 1900 17.8 0.25 26
Wireless LAN CP0603A2442MN 2400 - 2484 15.6 0.35 24
CP0603A3500MN 3450 - 3550 12.8 0.58 18 20
WiFi CP0603A5000MN 4950 - 5050 10.2 1.0 15 16
CP0603A5500MN 5450 - 5550 9.7 1.2 15 14
CP0603A6000MN 5950 - 6050 8.9 1.5 13.5 9
-24
-20
-16
-12
-8
-4
0
-60
-50
-40
-30
-20
-10
0
0.8 1.6 2.4 3.2 4 4.8 5.6 6.4
CP0603AxxxxGNTR
Coupling, Return Loss,
Isolation, [dB]
Frequency [GHz]
I. Loss
Coupling
R. Loss
Isolation
I Loss [dB]
-50
-40
-30
-20
-10
0
-50
-40
-30
-20
-10
0
0.8 1.6 2.4 3.2 4 4.8 5.6 6.4
CP0603AxxxxHNTR
Coupling, Return Loss,
Isolation, [dB]
Frequency [GHz]
I. Loss
Coupling
R. Loss
Isolation
I Loss [dB]
-12
-10
-8
-6
-4
-2
0
-60
-50
-40
-30
-20
-10
0
0.8 1.6 2.4 3.2 4 4.8 5.6 6.4
CP0603AxxxxMNTR
Coupling, Return Loss,
Isolation, [dB]
Frequency [GHz]
I. Loss
Coupling
R. Loss
Isolation
I Loss [dB]
/A\V/)I( RF
/;.\V/)I(
58
3
Thin-Film Directional Couplers
CP0603 High Directivity LGA Type
Important: Couplers can be used at any frequency within the indicated range.
Coupler P/N CP603AxxxxLN
Coupler P/N CP603AxxxxKN
Frequency Coupling I. Loss Return Directivity
Application P/N Band [dB] max. Loss [dB]
Examples* [MHz] [dB] [dB]
AMPS CP0603A0836LN 824 - 849 26.89 0.08 32.5
CP0603A0881LN 869 - 894 26.55 0.08 32.2
GSM CP0603A0902LN 890 - 915 26.2 0.09 31.9 18
CP0603A0947LN 935 - 960 25.87 0.09 31.5
E-GSM CP0603A0897LN 880 - 915 26.2 0.09 31.9
CP0603A0942LN 925 - 960 25.87 0.09 31.5
PDC CP0603A1441LN 1429 - 1453 22.31 0.12 28.1 17.5
PCN CP0603A1747LN 1710 - 1785 20.51 0.15 26.4
CP0603A1842LN 1805 - 1880 20.03 0.15 26
PCS CP0603A1880LN 1850 - 1910 19.87 0.16 26
CP0603A1960LN 1930 - 1990 19.57 0.17 25.5 16.5
PHP CP0603A1907LN 1895 - 1920 19.77 0.16 25.7
DECT CP0603A1890LN 1880 - 1900 19.87 0.16 25.8
Wireless LAN CP0603A2442LN 2400 - 2484 17.7 0.22 23.9
CP0603A3500LN 3450 - 3550 14.85 0.56 20.6 16
WiFi CP0603A5000LN 4950 - 5050 12.4 0.95 17.8 11
CP0603A5500LN 5450 - 5550 11.83 1.2 17.1 9
CP0603A6000LN 5950 - 6050 11.08 1.33 15.9
Frequency Coupling I. Loss Return Directivity
Application P/N Band [dB] max. Loss [dB]
Examples* [MHz] [dB] [dB]
AMPS CP0603A0836KN 824 - 849 18.5 0.14 30
CP0603A0881KN 869 - 894 18.1 0.14 29 26
GSM CP0603A0902KN 890 - 915 17.6 0.15 29
CP0603A0947KN 935 - 960 17.3 0.15 29
E-GSM CP0603A0897KN 880 - 915 17.9 0.147 29 25
CP0603A0942KN 925 - 960 17.6 0.15 29
PDC CP0603A1441KN 1429 - 1453 14 0.27 25
PCN CP0603A1747KN 1710 - 1785 12.4 0.36 23
CP0603A1842KN 1805 - 1880 12 0.39 22.5
PCS CP0603A1880KN 1850 - 1910 11.8 0.4 22 24
CP0603A1960KN 1930 - 1990 11.4 0.44 22
PHP CP0603A1907KN 1895 - 1920 11.5 0.43 22
DECT CP0603A1890KN 1880 - 1900 11.7 0.41 22
Wireless LAN CP0603A2442KN 2400 - 2484 9.7 0.6 19 23
CP0603A3500KN 3450 - 3550 7.2 1.15 15 19
WiFi CP0603A5000KN 4950 - 5050 4.7 2.15 15
CP0603A5500KN 5450 - 5550 4.2 2.5 17 13
CP0603A6000KN 5950 - 6050 3.7 2.8 19
-24
-20
-16
-12
-8
-4
0
-60
-50
-40
-30
-20
-10
0
0.8 1.6 2.4 3.2 4 4.8 5.6 6.4
CP0603AxxxxLNTR
Coupling, Return Loss,
Isolation, [dB]
I Loss [dB]
Frequency [GHz]
I. Loss
Coupling
R. Loss
Isolation
-60
-48
-36
-24
-12
0
-50
-40
-30
-20
-10
0
0.8 1.6 2.4 3.2 4 4.8 5.6 6.4
CP0603AxxxxKNTR
Coupling, Return Loss,
Isolation, [dB]
I Loss [dB]
Frequency [GHz]
I. Loss
Coupling
R. Loss
Isolation
/A\V/)I( RF
/A\V/)I(
59
3
Thin-Film Directional Couplers
CP0402 / CP0603 High Directivity Couplers Test Jigs
GENERAL DESCRIPTION
These jigs are designed for testing the CP0402 and CP0603
High Directivity Couplers using a Vector Network Analyzer.
They consist of a dielectric substrate, having 50Ω microstrips
as conducting lines and a bottom ground plane located at a
distance of 0.254mm (0.010") from the microstrips.
The substrate used is Neltec’s NH9338ST0254C1BC.
The connectors are SMA type (female), ‘Johnson Components
Inc.’ Product P/N: 142-0701-841.
Both a measurement jig and a calibration jig are provided.
The calibration jig is designed for a full 2-port calibration, and
consists of an open line, short line and through line. LOAD
calibration can be done by a 50Ω SMA termination.
When measuring a component, it can be either soldered or
pressed using a non-metallic stick until all four ports touch
the appropriate pads. Set the VNA to the relevant frequency
band. Connect the VNA using a 10dB attenuator on the jig
terminal connected to port 2. Follow the VNA’s instruction
manual and use the calibration jig to perform a full 2-Port
calibration in the required bandwidths.
Place the coupler on the measurement jig as follows:
Input (Coupler) ➜Connector 1 (Jig) Termination (Coupler) ➜Connector 3 (Jig)
Output (Coupler) ➜Connector 2 (Jig) Coupling (Coupler) ➜Connector 4 (Jig)
To measure I. Loss connect:
Connector 1 (Jig) ➜Port 1 (VNA) Connector 3 (Jig) ➜50Ω
Connector 2 (Jig) ➜Port 2 (VNA) Connector 4 (Jig) ➜50Ω
To measure R. Loss and Coupling connect:
Connector 1 (Jig) ➜Port 1 (VNA) Connector 3 (Jig) ➜ 50Ω
Connector 2 (Jig) ➜50Ω Connector 4 (Jig) ➜Port 2 (VNA)
To measure Isolation connect:
Connector 1 (Jig) ➜50Ω Connector 3 (Jig) ➜50Ω
Connector 2 (Jig) ➜Port 1 (VNA) Connector 4 (Jig) ➜Port 2 (VNA)
MEASUREMENT PROCEDURE
Measurement Jig
Connector 1
Connector 2
Connector 4
Connector 3
Calibration Jig
Short Line
to GND.
Load &
Through
Load &
Through
Connector
Johnson
P/N 142-0701-841
Open
Line
HS
OPEN
TH
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