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Broadband CATV 1:1 Transmission Line Transformer 50-1200MHz
Features • SMT unit • 1:1 impedance • Available on tape & reel, reel qty. 900 • Excellent temperature stability • All wires soldered to substrate using HMP solder Description M/A-COM’s MABACT0051 is a low cost SMT 1:1 Transmission line transformer designed for high volume CATV Broadband applications. Suitable for use in 50 Ohm and 75 Ohm systems
MABACT0051
V1
SM-118A Case Style
Dimensions in inches [mm] Tolerance: .xx ± .02, .xxx ± .010
Electrical Specifications @ 25°C, 75 Ohm
Parameter Frequency Range: 50-1200 MHz Insertion Loss 1 (Through) Pin 3 to pin 1 Test fixture loss -10.67dB Insertion Loss 2 (Coupled) Pin 2 to pin 1 Test fixture loss -10.67dB Amplitude Balance Phase Balance Input Return Loss * * 50 - 870 MHz 870 - 1002 MHz 1002 - 1200 MHz 50 - 870 MHz 870 - 1002 MHz 1002 - 1200 MHz 50 - 1002 MHz 1002 - 1200 MHz 50 - 1002 MHz 1002 - 1200 MHz 50 - 500 MHz 500 - 1002 MHz 1002 - 1200 MHz dB dB dB dB dB dB dB dB ° ° dB dB dB Test Conditions
* Monitored during production tune/test
Units
Min.
Typ.
Max.
18 17.5 11
0.4 0.7 1.1 0.4 0.3 0.4 ± 0.2 ± 0.3 ± 1.0 ± 4.0 24 24 15
0.9 1.0 1.5 0.7 0.8 0.9 ± 0.7 ± 0.8 ± 4.0 ± 8.0 -
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-C OM 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.
• 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
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Broadband CATV 1:1 Transmission Line Transformer 50-1200MHz
MABACT0051
V1
Pin Configuration
Function Primary Dot (input) Primary (ground) Secondary Dot (o/p coupled) Secondary (o/p through) Pin Number 1 4 2
Absolute Maximum Ratings1
Absolute Maximum RF Power DC Current Operating/Storage Temperature 250 mW 30 mA -40° C to +85° C
3
Schematic
1 Exceeding one or a combination of these settings may cause permanent damage to the unit
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-C OM 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.
• 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
2
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Broadband CATV 1:1 Transmission Line Transformer 50-1200MHz Typical Performance Curves @ +25°C, 75 Ohm Insertion Loss 1 (through): pin 3-1
0.5
MABACT0051
V1
Insertion Loss 2 (coupled): pin 2-1
0.5
0.0
0.0
dB
-0.5
dB
5 204 403 602 801 1001 1200
-0.5
-1.0
-1.0
-1.5
-1.5 5 204 403 602 801 1001 1200
Frequency (MHz)
Frequency (MHz)
Amplitude Balance
1.0
Phase Balance
190
0.5
185
0.0
degree
dB
180
-0.5
175
-1.0 5 204 403 602 801 1001 1200
170 5 204 403 602 801 1001 1200
Frequency (MHz)
Frequency (MHz)
Input Return Loss
0 -5 -10 -15 -20 -25 -30 -35 5 204 403 602 801 1001 1200
dB
Frequency (MHz)
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-C OM 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.
• 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
3
Visit www.macom.com for additional data sheets and product info
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