E-Series RF 1:4 Transformer — 6.0 - 1000 MHz ETC4-1T-7
M/A-COM Division of AMP Incorporated ■ North America: Tel. (800) 366-2266, Fax (800) 618-8883 ■ Asia/Pacific: Tel.+85 2 2111 8088,
Fax +85 2 2111 8087 ■ Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020
www.macom.com AMP and Connecting at a Higher Level are trademarks.
Specifications subject to change without notice.
V2.00 S 0804 F
Features
•Surface Mount
•1:4 Impedance Ratio
•CT on Secondary
•Available on Tape & Reel
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.
SM-22 Package
E-Series RF 1:4 Transmission Line Step-up
Transformer
ETC4-1T-7
Schematic
Note: Mean and Sigma calcul ated from average loss at @ (fU - fL)/2 + fL
Please Note that t he photograph above i ndi cates typical pack age only, not actual unit.
(3.30)
(2.54)
0.100 (0.762)
(1.397)
0.055
(4.83)
0.190
0.130
0.030
(3.81 MA X )
0.150 M A X
(0.762)
0.030
0.030
(0.762)
0.030
(0.762)
(1.27)
0.050
(3.81)
0.150
(3.81)
0.150 (1.65)
0.065
Electrical Specifications @25°C
Parameter Units Nominal Maximum Mean (x) Sigma (σ)
Frequency Range 6.0 - 1000 MHz — — — —
Insertion Loss (fL - fU)
6.0 - 600 MHz
600 - 1000 MHz
dB
dB
—
—
2.0
3.0
1.06
—
0.027
—
Amplitude Unbalance
6.0 - 1000 MHz
dB
—
1.0
—
—
Phase Unbalance
6.0 - 1000 MHz
Degrees
—
10
—
—
Primary Dot 5
Primary 4
1 Secondary Dot
2 Secondary CT
3 Secondar y
E-Series RF 1:4 Transformer — 6.0 - 1000 MHz ETC4-1T-7
M/A-COM Division of AMP Incorporated ■ North America: Tel. (800) 366-2266, Fax (800) 618-8883 ■ Asia/Pacific: Tel.+85 2 2111 8088,
Fax +85 2 2111 8087 ■ Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020
www.macom.com AMP and Connecting at a Higher Level are trademarks.
Specifications subject to change without notice.
V2.00 S 0804 F
Absolute Maximum Ratings
Parameter Absolute Maximum
RF Power 250 mW
DC Current 30 mA
Operating Temperature -20°C to +85°C
Storage Temperature -20°C to +85°C
Functional Configuration
Function Pin No.
Secondary Dot 1
Secondary CT 2
Secondary 3
Primary 4
Primary Dot 5
Insertion Loss
Typical Performance Over Extended Bandwidth (30kHz - 3.0GHz)
Phase Unbalance
Input Impedance Amplitude Unbalance
Note: All meas urements performed on Hewlett P ackard 8753D Network Analyser (201 sample points , linear s cale) in a 50 ohm coplanar
waveguide environm ent. Tables created using MDS software.
