4:1 Transmission Line Transformer
500-3000MHz MABACT0065
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, unbalanced to unbalanced
• Centre tap on secondary
• 260°C Reflow Compatible
• RoHS* Compliant
• RoHS version of ETC1.6- 4-2-3
• Available on Tape and Reel. Reel quantity 2000
Description
M/A-COM’s MABACT0065 is a 4:1 RF transmission
line step-up transformer in a low cost, surface mount
package. Ideally suited for high volume cellular and
wireless applications. Typical applications include sin-
gle to balanced mode conversion and impedance
matching.
Ordering Information
Part Number Package
MABACT0065TR 2000 piece reel
MABA-007949-CT65TB Customer test board
Note: Reference Application Note M513 for reel size information.
Schematic
Pin No. Function
1 Secondary Dot (output 1)
2 Secondary centre tap (ground)
3 Secondary (output 2)
4 Primary (ground)
5 Primary Dot (input)
* Restrictions on Hazardous Substances, European Union Directive 2002/95/EC.
Dimensions in inches [mm] Tolerance: .xx ± .02, .xxx ± .010
Pin Configuration
Case Style: SM-22
0.150
(3.81)
0.150 MAX
(3.81 MAX)
0.065
(1.65)
0.030
(0.762)
0.130
(3.30)
0.190
(4.83)
0.055
(1.397)
0.150
(3.81)
0.100
(2.54)
0.050
(1.27)
(0.762)
0.030
(0.762)
0.030
0.030
(0.762)
±5%
±5%
(2.77 TYP.)
4:1 Transmission Line Transformer
500-3000MHz MABACT0065
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 1
Recommended PCB Configuration
Absolute Maximum Ratings 1,2
Parameter Absolute Maximum
Max Input Power 250mW
DC current 30mA
Operating Temperature -30°C to +85°C
Storage Temperature -30°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. 0.190
(4.83)
0.130
0.030
(0.762)
0.055
(1.397)
0.065
(1.65)
(3.30)
Parameter Units Nominal Maximum Mean (x) Sigma (σ)
Frequency Range 50 0 - 3000 MHz — — — —
Insertion Loss (fL - fU)
500 - 750 MHz
750 - 1200 MHz
1200 - 3000 MHz
dB
dB
dB
—
—
—
3.0
1.0
3.0
—
0.22
—
—
0.159
—
4:1 Transmission Line Transformer
500-3000MHz MABACT0065
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
Phase Unbalance
Typical Performance Curves: TA = 25°C, Z0 = 50Ω 1
Input Impedance
Insertion Loss
Amplitude Unbalance
