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1:1 Transmission line Transformer 5 - 1000 MHz
Features * SMT unit * 1.33:1 impedance * 75 single ended to 100 Balanced * Available on tape & reel * Excellent temperature stability
V2
MABACT0044
Description M/A-COM's MABACT0044 is a 1.33:1 RF transmission line transformer in a low cost, surface mount package. Ideally suited for high volume CATV/Broadband applications.
Electrical Specifications @ 25C, 75 Ohm
Parameter Frequency Range: 5-1000 MHz Insertion Loss 1 (Pin 1 - 4) through Insertion Loss 2 (Pin 3 - 4) coupled Amplitude Balance 5 - 870 MHz 870 - 1000 MHz 5 - 50 MHz 50 - 870 MHz 870 - 1000 MHz 5 - 50 MHz 50 - 870 MHz 870 - 1000 MHz 5 - 50 MHz 50 - 1000 MHz 5 - 20 MHz 20 - 200 MHz 200 - 400 MHz 400 -700 MHz 700-1000 MHz dB dB dB dB dB dB dB dB dB dB dB dB dB -- -- -- -- -- -- -- -- -- -- 13 20 15 10 8 1.5 2.0 1.0 0.8 0.9 1.2 0.4 0.7 10 4 18 25 22 15 1.9 2.7 1.5 1.2 1.5 1.9 1.1 1.5 25 10 -- -- -- -- -- Test Conditions Units Min. Typ. Max.
Phase Balance Input Return Loss
12
M/A-COM Inc. and it's 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
! North America: Tel. (800) 366-266, Fax (800) 618-8883 ! Asia/Pacific: Tel.+ 81-44-844-8296, Fax+81-44-844-8298 ! Europe: Tel. +44(1908) 574 200, Fax +44(1908) 574 300 1
Broadband CATV 1.33:1 transmission line transformer 5 - 1000MHz MABACT0044
Typical Performance @ +25C, 75 Ohm
Insertion Loss 1 (through): Pin 1-4
0.0
Insertion Loss 2 (coupled): Pin 3-4
0.0 -0.2
-0.5
-0.4
-1.0
dB
dB
-1.5 -2.0 -2.5 5 205 405 605 805
-0.6 -0.8 -1.0 -1.2 -1.4 5 205 405 605 805
Frequency (MHz)
Frequency (MHz)
Amplitude balance
1.5 1.0 0.5 0.0 -0.5 -1.0
Phase balance
200 195 190
degree
5 205 405 605 805
185 180 175 170 165
dB
-1.5
160 5 205 405 605 805
Frequency (MHz)
Frequency (MHz)
Absolute Maximum Ratings 1
Input Return Loss
0 -5
dB
Absolute Maximum RF Power DC Current Operating/Storage Temperature 250 mW 30 mA -40 C to +85 C
-10 -15 -20 -25 -30 -35 5 205 405 605 805
Frequency (MHz)
1 Exceeding one or a combination of these settings may cause permanent damage to the unit
M/A-COM Inc. and it's 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
! North America: Tel. (800) 366-266, Fax (800) 618-8883 ! Asia/Pacific: Tel.+ 81-44-844-8296, Fax+81-44-844-8298 ! Europe: Tel. +44(1908) 574 200, Fax +44(1908) 574 300 2
Broadband CATV 1.33:1 transmission line transformer 5 - 1000MHz MABACT0044
SM-164 Case Style
Suggested Footprint
M/A-COM Inc. and it's 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
! North America: Tel. (800) 366-266, Fax (800) 618-8883 ! Asia/Pacific: Tel.+ 81-44-844-8296, Fax+81-44-844-8298 ! Europe: Tel. +44(1908) 574 200, Fax +44(1908) 574 300 3
Broadband CATV 1.33:1 transmission line transformer 5 - 1000MHz MABACT0044
Functional Schematic
Pin Configuration
Pin No. Function Primary Dot (Input) 4
Primary (Ground)
2
Secondary Dot (Output 1)
1
Secondary (Output 2)
3
Ground
5
M/A-COM Inc. and it's 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
! North America: Tel. (800) 366-266, Fax (800) 618-8883 ! Asia/Pacific: Tel.+ 81-44-844-8296, Fax+81-44-844-8298 ! Europe: Tel. +44(1908) 574 200, Fax +44(1908) 574 300 4

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