E-Series RF 1:4 Transmi ssion Line Step-up Transform er
6 – 1000 MHz ETC4-1T-7
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 f or additi onal data sheet s and product i nformati on.
V4
1
Features
• 1:4 Impedance Ratio
• CT on Secondary
• Surface Mount
• Tape and reel packaging available
Description
M/A-COM’s ETC4-1T-7 is a 1:4 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
single to balanced mode conversion and impedance
matching. Parts are packag ed in tape & reel.
Ordering Information
Part Number Package
ETC4-1T-7TR Tape and Reel (2000 piece Reel)
SM - 22 Package
Electrical Specifications: TA = 25°C, Z0 = 50Ω 1
Parameter Test Conditi ons Frequency Units Min Typ Max
RF Frequency — 6 - 1000 MHz — — —
Insertion Loss FL—fU 6 - 600
600 - 1000 dB —
— —
— 2.0
3.0
Amplitude Unbalance FL—fU 6 - 1000 dB — — 1.0
Phase Unbalance FL—fU 6 - 1000 Degrees — — 10
Absolute Maximum Ratings 1
1. Operation of this device above any one of these parameters
may cause permanent damage.
Parameter Absolute Maximum
RF Power 250 mW
DC Current 30 mA
Operating Temperature -40°C to +85°C
Storage Temperature -55°C to +125°C
E-Series RF 1:4 Transmi ssion Line Step-up Transform er
6 – 1000 MHz ETC4-1T-7
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 f or additi onal data sheet s and product i nformati on.
V4
2
Pin Configuration
Pin No. Function
1 Secondary Dot
2 Secondary CT
3 Secondary
4 Primary
5 Primary Dot
Schematic
Primary Dot 5
Primary 4
1 Secondary Dot
2 Secondary CT
3 Secondary
Input Impedanc e Amplitude Unbalance
-4.00
-3.50
-3.00
-2.50
-2.00
-1.50
-1.00
-0.50
0.00
6.00 106.00 206.00 306.00 406.00 506.00 606.00 706.00 806.00 906.00
MHz
dBm
Insertion Loss Phase Unbalance
Typical Performance Curves
