4:1 Transmission Line Transformer
5-1000MHz MABACT0066
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.
V1P
1
RoHS
Compliant
Features
• Surface Mount
• 4:1 Impedance
• Excellent amplitude and phase balance
• Can be used in both 50Ω and 75Ω systems
• 260°C Reflow Compatible
• RoHS* Compliant
• RoHS version of MABAES0054
• Available on Tape and Reel. Reel quantity 2000
Description
M/A Com’s MABACT0066 is a 4:1 RF flux coupled
step up transformer in a low cost, surface mount
package. Ideally suited for high volume CATV/
Broadband applications.
Ordering Information
Part Number Package
MABACT0066TR 2000 piece reel
MABA-007968-CT66TB Customer Test Board
Note: Reference Application Note M513 for reel size information.
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.
Dimensions in inches [mm] Tolerance: .xx ± .02, .xxx ± .010
Pin Configuration
Case Style: SM-138
4:1 Transmission Line Transformer
5-1000MHz MABACT0066
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.
V1P
2
RoHS
Compliant
Electrical Specifications: TA = 25°C, Z0 = 50 Ω
Parame ter Test Conditions Units Min Typ Max
Insertion Loss 5 - 50 MHz
50 - 879 MHz
879 - 1000 MHz
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 -
- ±4.0
±8.0 ±8.0
±12.0
Recommended PCB Configuration Absolute Maximum Ratings 1,2
Parame ter Absolute Maximu m
Max Input Power 250mW
DC current 40mA
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.
4:1 Transmission Line Transformer
5-1000MHz MABACT0066
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.
V1P
3
RoHS
Compliant
Insertion Loss 2 (coupled pin 4 to pin 3)
Amplitude Unbalance Phase Balance
Typical Performance Curves: TA = 25°C, Z0 = 50Ω
Insertion Loss 1 (through pin 4 to pin 1)
-3.0
-2.5
-2.0
-1.5
-1.0
-0.5
0.0
5 171 337 502 668 834 1000
Frequency (MHz)
dB
-3.0
-2.5
-2.0
-1.5
-1.0
-0.5
0.0
5 171 337 502 668 834 1000
Frequency (MHz)
dB
-0.6
-0.4
-0.2
0.0
0.2
0.4
0.6
5 171 337 502 668 834 1000
Frequency (MH z)
dB
160
165
170
175
180
185
190
195
200
5 171 337 502 668 834 1000
Frequency (MH z)
Degrees
