1.78:1 step up flux coupled transformer
0.3-200MHz MABA-008482-CF1A40
M/A-COM Inc. and its affiliates reserve the right to make changes to the
product(s) or information contained herein without notice. M/A-COM makes
no warranty, representation or guarantee regarding the suitability of its
products for any particular purpose, nor does M/A-COM assume any liability
whatsoever arising out of the use or application of any product(s) or
information.
• 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.
V1
1
RoHS
Compliant
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
Note: Reference Application Note M513 for reel size information.
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
1.78:1 step up flux coupled transformer
0.3-200MHz MABA-008482-CF1A40
M/A-COM Inc. and its affiliates reserve the right to make changes to the
product(s) or information contained herein without notice. M/A-COM makes
no warranty, representation or guarantee regarding the suitability of its
products for any particular purpose, nor does M/A-COM assume any liability
whatsoever arising out of the use or application of any product(s) or
information.
• 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.
V1
2
RoHS
Compliant
Electrical Specifications: TA = 25°C, Z0 = 75Ω 1
Parameter Frequency Units Min Typ Max
Insertion Loss 0.3 - 5 MHz
5 - 80 MHz
80-200 MHz
dB
dB
dB
-
-
-
1.3
0.35
0.48
1.7
0.5
1.0
Amplitude Balance 0.3 - 100 MHz
100 - 200 MHz dB
dB -
- 0.02
0.14 ± 0.2
± 0.5
Phase Balance 0.3 - 50 MHz
50 - 100 MHz
100 - 200 MHz
º
º
º
-
-
-
0.50
1.95
4.15
± 3
± 5
± 10
Input Return Loss 0.3 - 4 MHz
4 - 100 MHz
100 - 200 MHz
dB
dB
dB
7
22
16
21.2
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.
1.78:1 step up flux coupled transformer
0.3-200MHz MABA-008482-CF1A40
M/A-COM Inc. and its affiliates reserve the right to make changes to the
product(s) or information contained herein without notice. M/A-COM makes
no warranty, representation or guarantee regarding the suitability of its
products for any particular purpose, nor does M/A-COM assume any liability
whatsoever arising out of the use or application of any product(s) or
information.
• 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.
V1
3
RoHS
Compliant
Amplitude Balance
Typical Performance Curves: TA = 25°C, Z0 = 75Ω 1
Phase Balance
Insertion Loss 1 (pin3 - pin6) Insertion Loss 2 (pin3 - pin4)
-2.0
-1.8
-1.6
-1.4
-1.2
-1.0
-0.8
-0.6
-0.4
-0.2
0.0
0.3 50.2 100.1 150.1 200.0
Frequency (MHz)
dB
-2.0
-1.8
-1.6
-1.4
-1.2
-1.0
-0.8
-0.6
-0.4
-0.2
0.0
0.3 50.2 100.1 150.1 200.0
Frequency (MHz)
dB
-1.0
-0.8
-0.6
-0.4
-0.2
0.0
0.2
0.4
0.6
0.8
1.0
0.3 50.2 100.1 150.1 200.0
Frequency (MHz)
dB
-6.0
-4.0
-2.0
0.0
2.0
4.0
6.0
0.3 50.2 100.1 150.1 200.0
Frequency (MHz)
degree
-30
-25
-20
-15
-10
-5
0
0.3 50.2 100.1 150.1 200.0
Frequency (MHz)
dB
Return Loss: Input
