E-Series RF 1:1 Flux Coupled Transformer
3 – 200 MHz ETC1-1T
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.
V10
1
Features
• 1:1 Impedance Ratio
• CT on Secondary
• Surface Mount
• Tape and reel packagi ng available
Description
M/A-COM’s ETC1-1T is a 1:1 RF flux coupled
transformer in a low cost, surface mount package.
Ideally suited for high volume applications. Parts are
packaged in tape & reel.
Ordering Information
Part Number Package
ETC1-1TTR Tape and Reel (2000 piece Reel)
SM - 22 Package
Electrical Specifications: TA = 25°C, Z0 = 50 Ω 1
Parameter Test Conditions Frequency Units Min Typ Max
RF Frequency — 3 - 200 MHz — — —
Insertion Loss — 3 - 200 dB — — 1.5
Amplitude Imbalance — 3 - 50
3 - 200 dB
dB —
— —
— 0.1
0.5
Phase Imbalance — 3 - 50
3 - 200 Degrees
Degrees —
— —
— 1.0
5.0
Input Return Loss — 3 - 200
5 - 120 dB
dB —
— —
— 10.0
15.0
Absolute Maximum Ratings 1
1. Operation of this device above any one of these parameters
may cause permanent damage.
2. The maximum DC current applies to the secondary center tap
in applications where the secondary is balanced.
Parameter Absolute Maximum
RF Power 250 mW
DC Current 240 mA2
Operating Temperature -40°C to +85°C
Storage Temperature -55°C to +125°C
E-Series RF 1:1 Flux Coupled Transformer
3 – 200 MHz ETC1-1T
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.
V10
2
Pin Configuration
Pin No. Function
1 Secondary
2 Secondary CT
3 Secondary Dot
4 Primary Dot
5 Primary
Schematic
Input Return Loss
Phase Imbalance
Typical Performance Curves
Insertion Loss
Amplitude Imbalance
Primary Dot 4 3 Secondary Dot
2 Secondary CT
1 Secondary
Primary 5 3 turns
6 turns 3 turns
-0.9
-0.7
-0.5
-0.3
-0.1
0.0 50.0 100.0 150.0 200.0
F requency (MHz)
dB
-35.0
-30.0
-25.0
-20.0
-15.0
-10.0
0.0 50.0 100.0 150.0 200.0
Freq (MHz)
dB
175
177
179
181
183
185
0 50 100 150 200
Freq (MHz)
Degrees
-0.25
-0.20
-0.15
-0.10
-0.05
0.00
0.05
0.0 50.0 100.0 150.0 200.0
Freq (MHz)
dB
