E-Series RF 1:4 Transformer — 6.0 - 1000 MHz ETC4-1T-7
ETC4-1T-7
E-Series RF 1:4 Transmission Line Step-up
Transformer
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
0.050
(1.27)
0.150
(3.81)
0.100
(2.54)
Schematic
0.030
(0.762)
0.150
(3.81)
0.030
(0.762)
0.030
(0.762)
0.150 MAX
(3.81 MAX)
0.130
(3.30)
0.065
(1.65)
0.055
(1.397)
0.030
(0.762)
0.190
(4.83)
Primary Dot 5
1 Secondary Dot
2 Secondary CT
Primary 4
3 Secondary
Electrical Specifications @25°C
Parameter Units Nominal Maximum Mean (x)
Frequency Range 6.0 - 1000 MHz — — — —
Insertion Loss (fL - fU)
6.0 - 600 MHz
600 - 1000 MHz
Amplitude Unbalance
6.0 - 1000 MHz
Phase Unbalance
6.0 - 1000 MHz
Note: Mean and Sigma calculated from average loss at @ (fU - fL)/2 + f
Please Note that the photograph above indicates typical pack age only, not actual unit.
dB
dB
dB
Degrees
—
—
—
—
L
2.0
3.0
1.0
10
1.06
—
—
—
Sigma (σ)
V2.00 S 0804 F
0.027
—
—
—
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.
E-Series RF 1:4 Transformer — 6.0 - 1000 MHz ETC4-1T-7
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
Typical Performance Over Extended Bandwidth (30kHz - 3.0GHz)
Insertion Loss
Phase Unbalance
Note: All measurements performed on Hewlett Packard 8753D Net work A nal yser (201 sampl e points , l inear scale) in a 50 ohm coplanar
waveguide environment. Tables created using MDS software.
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.
Input Impedance Amplitude Unbalance
V2.00 S 0804 F