• North America Tel: 800.366.2266 / Fax: 978.366.2266
• Europe Tel: 44.1908.574.200 / Fax: 44.1908.574.300
• Asia/Pacific Tel: 81.44.844.8296 / Fax: 81.44.844.8298
Visit www.macom.com for additional data sheets and product information.
M/A-COM Inc. and its affiliates reserve the right to make changes to the product's or infor-
mation contained herein without notice.
1
Transformer 1:1 transmission line balun
5 to 3000 MHz M/A-COM Products
Released, Rev. V3
MABA-007871-CT1A40
ADVANCED: Data Sheets contain information regarding a product M/A-COM is considering for
development. Performance is based on target specifications, simulated results, and/or prototype
measurements. Commitment to develop is not guaranteed.
PRELIMINARY: Data Sheets contain information regarding a product M/A-COM has under develop-
ment. Performance is based on engineering tests. Specifications are typical. Mechanical outline has
been fixed. Engineering samples and/or test data may be available. Commitment to produce in
volume is not guaranteed.
Features
• Surface Mount
• 1:1 Impedance
• Excellent MoCA band performance
• Excellent amplitude and phase balance
• Can be used in both 50Ω and 75Ω systems
• 260°C Reflow Compatible and lead free
• RoHS* Compliant
• Available on Tape and Reel.
Description
M/A Com’s MABA-007871-CT1A40 is a 1:1 RF
Transmission Line step up transformer in a low cost,
surface mount package. Ideally suited for MoCA
band applications.
Ordering Information
Part Number Description
MABA-007871-CT1A40 2000 piece reel
MABA-007871-CT1ATB Customer Test Board
Note: Reference Application Note M513 for reel size information.
Schematic
Pin No. Function
1 Secondary Dot (Output 1)
2 Not used (Ground)
3 Secondary (Output 2)
4 Primary (Ground)
6 Primary Dot (Input)
* Restrictions on Hazardous Substances, European Union Direc-
tive 2002/95/EC.
Pin Configuration
Case Style: SM-164
Dimensions in inches [mm] Tolerance: .xx ± .02, .xxx ± .010,
except where otherwise stated
• North America Tel: 800.366.2266 / Fax: 978.366.2266
• Europe Tel: 44.1908.574.200 / Fax: 44.1908.574.300
• Asia/Pacific Tel: 81.44.844.8296 / Fax: 81.44.844.8298
Visit www.macom.com for additional data sheets and product information.
M/A-COM Inc. and its affiliates reserve the right to make changes to the product's or infor-
mation contained herein without notice.
2
Transformer 1:1 transmission line balun
5 to 3000 MHz M/A-COM Products
Released, Rev. V3
MABA-007871-CT1A40
ADVANCED: Data Sheets contain information regarding a product M/A-COM is considering for
development. Performance is based on target specifications, simulated results, and/or prototype
measurements. Commitment to develop is not guaranteed.
PRELIMINARY: Data Sheets contain information regarding a product M/A-COM has under develop-
ment. Performance is based on engineering tests. Specifications are typical. Mechanical outline has
been fixed. Engineering samples and/or test data may be available. Commitment to produce in
volume is not guaranteed.
Electrical Specifications: TA = 25°C, Z0 = 50Ω
Parameter Test Conditions Units Min Typ Max
Insertion Loss 5 - 50 MHz
50 - 975 MHz
975 - 1525 MHz
1525 - 2150 MHz
2150 - 3000 MHz
dB
dB
dB
dB
dB
-
-
-
-
-
0.35
0.4
0.3
0.65
2.5
2.50
0.60
1.00
2.30
6.00
Input Return Loss 5 - 50 MHz
50 - 975 MHz
975 - 1525 MHz
1525 - 2150 MHz
2150 - 3000 MHz
dB
dB
dB
dB
dB
12
15
13
6
3
28
23
21
12
6
-
-
-
-
-
Phase Unbalance
(Nominal 180º)
5 - 50 MHz
50 - 975 MHz
975 - 1525 MHz
1525 - 2150 MHz
2150 - 3000 MHz
º
º
º
º
º
-
-
-
-
-
6.5
0.1
0.1
3
13
±50
±5
±4
±12
35
Amplitude Unbalance
(Nominal 0dB)
5 - 50 MHz
50 - 975 MHz
975 - 1525 MHz
1525 - 2150 MHz
2150 - 3000 MHz
dB
dB
dB
dB
dB
-
-
-
-
-
0.45
0.15
0.15
0.38
0.05
±3.8
±0.7
±0.7
±0.9
1.6
Absolute Maximum Ratings 1,2
Parameter Absolute Maximum
Max Input Power 250mW
DC current 200mA
Operating Temperature -40°C to +85°C
Storage Temperature -40°C to +85°C
1. Exceeding any one or combination of these limits may cause
permanent damage to this device.
2. M/A-COM does not recommend sustained operation near
these survivability limits.
• North America Tel: 800.366.2266 / Fax: 978.366.2266
• Europe Tel: 44.1908.574.200 / Fax: 44.1908.574.300
• Asia/Pacific Tel: 81.44.844.8296 / Fax: 81.44.844.8298
Visit www.macom.com for additional data sheets and product information.
M/A-COM Inc. and its affiliates reserve the right to make changes to the product's or infor-
mation contained herein without notice.
3
Transformer 1:1 transmission line balun
5 to 3000 MHz M/A-COM Products
Released, Rev. V3
MABA-007871-CT1A40
ADVANCED: Data Sheets contain information regarding a product M/A-COM is considering for
development. Performance is based on target specifications, simulated results, and/or prototype
measurements. Commitment to develop is not guaranteed.
PRELIMINARY: Data Sheets contain information regarding a product M/A-COM has under develop-
ment. Performance is based on engineering tests. Specifications are typical. Mechanical outline has
been fixed. Engineering samples and/or test data may be available. Commitment to produce in
volume is not guaranteed.
Typical Performance Curves: TA = 25°C, Z0 = 50Ω
-2.0
-1.5
-1.0
-0.5
0.0
0.5
1. 0
1. 5
2.0
5 338 670 1003 1336 1669 2001 2334 2667 3000
Frequency (MHz)
dB
16 0
16 5
17 0
17 5
18 0
18 5
19 0
19 5
200
5 338 670 1003 1336 1669 2001 2334 2667 3000
Fr e que ncy (M Hz)
Degrees
-35
-30
-25
-20
-15
-10
-5
0
5 338 670 1003 1336 1669 2001 2334 2667 3000
Frequency (MHz)
dB
-4.0
-3.5
-3.0
-2.5
-2.0
-1.5
-1.0
-0.5
0.0
0.5
1. 0
5 338 670 1003 1336 1669 2001 2334 2667 3000
Frequency (M Hz)
dB
-4.0
-3.5
-3.0
-2.5
-2.0
-1.5
-1.0
-0.5
0.0
0.5
1. 0
5 338 670 1003 1336 1669 2001 2334 2667 3000
Fr e que ncy (M Hz)
dB
Insertion Loss 2: coupled pin 6 to pin 3
Insertion Loss 1: through pin 6 to pin 1
Phase Balance
Amplitude Balance
Input Return Loss
