1
1.78:1 step up flux coupled transformer
5 - 200MHz M/A-COM Products
Part Status: Released Rev V2
MABA-008482-CF1A40
• North America Tel: 800.366.2266 • Europe Tel: +353.21.244.6400
• India Tel: +91.80.4155721 • China Tel: +86.21.2407.1588
Visit www.macomtech.com for additional data sheets and prod uct information.
M/A-COM Technology Solutions Inc. and its affiliates reserve the right to make
changes to the product(s) or information contained herein without notice.
ADVANCED: Data Sheets contain information regarding a product M/A-COM Technology Solutions
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 Technology
Solutions has under development. 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.
Note: Reference Application Note M513 for reel size information.
Pin Configuration
Features
• Surface mount
• 1.78:1 step-up flux coupled transformer
• Separate secondary coils, allowing separate
bias feed into balanced amplifiers
• 260°C reflow compatible
• RoHS* compliant
• Part is welded and lead free
• Available on tape and reel. Reel quantity 2000
Description
M/A-COM’s MABA-008482-CF1A40 is a 1.78:1 Flux
Coupled step up transformer in a low cost, surface
mount package. Ideally suited for high volume
CATV/Broadband applications. Suitable for use in 50
Ohm and 75 Ohm systems
Ordering Information
Part Number Package
MABA-008482-CF1A40 2000
MABA-008482-CF1ATB Customer Test Board
Pin No. Function
1 Primary (ground)
2 Secondary ground 2
3 Primary Dot (input)
4 Secondary (output 2)
5 Secondary ground 1
6 Secondary Dot (output 1)
* Restrictions on Hazardous Substances, European Union Directive 2002/95/EC.
Dimensions in inches [mm] Tolerance: .xx ± .02, .xxx ± .010
Case Style: SM-156
Schematic
2
1.78:1 step up flux coupled transformer
5 - 200MHz M/A-COM Products
Part Status: Released Rev V2
MABA-008482-CF1A40
• North America Tel: 800.366.2266 • Europe Tel: +353.21.244.6400
• India Tel: +91.80.4155721 • China Tel: +86.21.2407.1588
Visit www.macomtech.com for additional data sheets and prod uct information.
M/A-COM Technology Solutions Inc. and its affiliates reserve the right to make
changes to the product(s) or information contained herein without notice.
ADVANCED: Data Sheets contain information regarding a product M/A-COM Technology Solutions
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 Technology
Solutions has under development. 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 = 75Ω 1
Parameter Frequency Units Min Typ Max
Insertion Loss 5 - 80 MHz
80-200 MHz dB
dB -
- 0.35
0.48 0.5
1.0
Amplitude Balance 5 - 100 MHz
100 - 200 MHz dB
dB -
- 0.02
0.14 ± 0.2
± 0.5
Phase Balance 5 - 50 MHz
50 - 100 MHz
100 - 200 MHz
º
º
º
-
-
-
0.50
1.95
4.15
± 3
± 5
± 10
Input Return Loss 5 - 100 MHz
100 - 200 MHz dB
dB 22
16 25.9
18.4 -
-
Recommended PCB Configuration
Absolute Maximum Ratings 1,2
Parameter Absolute Maximum
Max RF Power 1W
Max DC current 250mA per arm
Operating Temperatur e -40°C to +60°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.
3
1.78:1 step up flux coupled transformer
5 - 200MHz M/A-COM Products
Part Status: Released Rev V2
MABA-008482-CF1A40
• North America Tel: 800.366.2266 • Europe Tel: +353.21.244.6400
• India Tel: +91.80.4155721 • China Tel: +86.21.2407.1588
Visit www.macomtech.com for additional data sheets and prod uct information.
M/A-COM Technology Solutions Inc. and its affiliates reserve the right to make
changes to the product(s) or information contained herein without notice.
ADVANCED: Data Sheets contain information regarding a product M/A-COM Technology Solutions
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 Technology
Solutions has under development. 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.
-30
-25
-20
-15
-10
-5
0
5 54 103 151 200
Frequency (MHz)
dB
-10.0
-8.0
-6.0
-4.0
-2.0
0.0
2.0
4.0
6.0
8.0
10.0
5 54 103 151 200
Frequency (MHz)
degree
-1.0
-0.8
-0.6
-0.4
-0.2
0.0
0.2
0.4
0.6
0.8
1.0
554103151200
Frequency (MHz)
dB
Amplitude Balance
Typical Performance Curves: TA = 25°C, Z0 = 75Ω 1
Phase Balance
Insertion Loss 1 (pin3 - pin6) Insertion Loss 2 (pin3 - pin4)
-1.0
-0.9
-0.8
-0.7
-0.6
-0.5
-0.4
-0.3
-0.2
-0.1
0.0
5 54 103 151 200
Fr e que ncy (M Hz)
dB
-1.0
-0.9
-0.8
-0.7
-0.6
-0.5
-0.4
-0.3
-0.2
-0.1
0.0
5 54 103 151 200
Fr e que ncy (M Hz)
dB
Return Loss: Input
