Transformer, 4:1 transmission line
5 to 1000 MHz
Rev. V4
MABACT0066
1
1
M/A-COM Technology Solutions Inc. (MACOM) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice.
Visit www.macom.com for additional data sheets and product information.
For further information and support please visit:
https://www.macom.com/support
1
Features
Surface mount
4:1 Impedance ratio
Excellent amplitude and phase balance
Can be used in both 50Ω and 75Ω systems
260°C reflow compatible
RoHS* compliant, Pb free
Available on tape and reel.
Description
M/A-Com Technology Solutions MABACT0066 is a
4:1 RF flux coupled step up transformer in a low
cost, surface mount package. Ideally suited for
broadband CATV Broadband applications.
Schematic
Pin no. Function
1 Secondary dot (Output 1)
2 Centre tap (Ground)
3 Secondary (Output 2)
4 Primary (Input)
5 Primary dot (Ground)
* Restrictions on Hazardous Substances, European Union Directive 2002/95/EC.
Pin configuration
Component Dimensions
Dimensions in inches [mm] Tolerance: .xx ± .02, .xxx ± .010,
unless otherwise stated
Transformer, 4:1 transmission line
5 to 1000 MHz
Rev. V4
MABACT0066
2
2
M/A-COM Technology Solutions Inc. (MACOM) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice.
Visit www.macom.com for additional data sheets and product information.
For further information and support please visit:
https://www.macom.com/support
2
Electrical Specifications: TA = 25°C, Z0 = 50Ω, Pin = 0dBm
Parameter Test Conditions Units Min Typ Max
Insertion Loss 1 5 - 50 MHz
50 - 879 MHz
879 - 1000 MHz
dB
dB
dB
-
-
-
1.5
1.0
1.5
2.0
1.5
2.0
Amplitude Unbalance
(Nominal 0dB)
5 - 1000 MHz
dB
- ±0.25
±0.5
Phase Unbalance
(Nominal 180º)
5 - 500 MHz
500 - 1000 MHz
º
º
-
-
±4
±8
±8
±12
Recommended Maximum Ratings1,2
Parameter Value
Max input power 250mW
DC current 120mA
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.
Transformer, 4:1 transmission line
5 to 1000 MHz
Rev. V4
MABACT0066
3
3
M/A-COM Technology Solutions Inc. (MACOM) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice.
Visit www.macom.com for additional data sheets and product information.
For further information and support please visit:
https://www.macom.com/support
3
Typical Performance Curves: TA = 25°C, Z0 = 50Ω, Pin = 0dBm
Insertion Loss 2: through pin 4 to pin 3
Insertion Loss 1: coupled pin 4 to pin 1
Phase Balance
Amplitude Balance
-3.0
-2.5
-2.0
-1.5
-1.0
-0.5
0.0
5171 337 502 668 834 1000
Frequency (MHz)
dB
-3.0
-2.5
-2.0
-1.5
-1.0
-0.5
0.0
5171 337 502 668 834 1000
Frequency (MHz)
dB
-0.6
-0.4
-0.2
0.0
0.2
0.4
0.6
5171 337 502 668 834 1000
Frequency (MHz)
170
172
174
176
178
180
182
184
186
188
190
5171 337 502 668 834 1000
Frequency (MHz)
Degrees
Transformer, 4:1 transmission line
5 to 1000 MHz
Rev. V4
MABACT0066
4
4
M/A-COM Technology Solutions Inc. (MACOM) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice.
Visit www.macom.com for additional data sheets and product information.
For further information and support please visit:
https://www.macom.com/support
4
Item Dimension
Ao 6.10mm +/- 0.1mm
Bo 4.60mm +/- 0.1mm
Ko 4.00mm +/- 0.1mm
W 12.00mm +/- 0.3mm
P1 8.00mm +/- 0.1mm
Ordering information
Part number Description
MABACT0066 2000 piece reel
MABA-007968-CT66TB Customer Test Board
W
P1
DIRECTION OF FEED
Ao
Bo
Ko
Transformer, 4:1 transmission line
5 to 1000 MHz
Rev. V4
MABACT0066
5
5
M/A-COM Technology Solutions Inc. (MACOM) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice.
Visit www.macom.com for additional data sheets and product information.
For further information and support please visit:
https://www.macom.com/support
5
M/A-COM Technology Solutions Inc. All rights reserved.
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products. These materials are provided by MACOM as a service to its customers and may be used for
informational purposes only. Except as provided in MACOM's Terms and Conditions of Sale for such products or
in any separate agreement related to this document, MACOM assumes no liability whatsoever. MACOM
assumes no responsibility for errors or omissions in these materials. MACOM may make changes to
specifications and product descriptions at any time, without notice. MACOM makes no commitment to update
the information and shall have no responsibility whatsoever for conflicts or incompatibilities arising from future
changes to its specifications and product descriptions. No license, express or implied, by estoppels or otherwise,
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WHICH MAY RESULT FROM THE USE OF THESE MATERIALS.
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