MACOM ETC4-1 Datasheet

E-Series RF 1:4 Flux Coupled Step-up Transformer
1-350 MHz

ETC4-1

Features

• Surface Mount

• 1:4 Impedance Ratio

• CT on Secondary

• Available on Tape & Reel

Description

M/A-COM’s ETC4-1 is a 1:4 RF flux coupled step-up transformer
in a low cost, surface mount package. Ideally suited for high
volume cellular and wireless applications.

SM-22 Package

0.050
(1.27)

0.150
(3.81)

0.100

(2.54)

Schematic

Primary 4

4 turns

Primary Dot 5

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)

3 turns

0.065
(1.65)

0.055

0.190

(1.397)

(4.83)

0.030

(0.762)

3 Secondary Dot

4 turns

2 Secondary CT

4 turns

1 Secondary

Electrical Specifications @25°C

Parameter Units Nominal Maximum Mean (x)

Frequency Range 1-350 MHz — — — —
Insertion Loss (fL - fU)

5 - 100 MHz
2 - 300 MHz
1 - 350 MHz

Amplitude Unbalance
5 - 100 MHz
1 - 350 MHz

Phase Unbalance
5 - 100 MHz
1 - 350 MHz

Please Note that the photograph above indicates typical package only, not actual unit.

M/A-COM n North America: Tel. [phone], Fax [phone] n Asia/Pacific: Tel.[phone], Fax [phone] n
Europe: Tel. [phone], Fax[phone]

www.macom.com Specifications subject to change without notice.

dB
dB
dB

dB
dB

Degrees
Degrees

—
—
—

—
—

—
—

1.0

2.0

3.0

0.1

0.5

1.0

5.0

—

1.21
—

—
—

—
—

Sigma (σ)

S 0180 H

—

0.032
—

—
—

—
—

Absolute Maximum Ratings

dB

Degrees

dB

ETC4-1

Functional Configuration

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

Typical Performance @ 25°C

Insertion Loss

0.00

-0.32

Function Pin No.

Secondary 1

Secondary CT 2

Secondary Dot 3

Primary Dot 5

Primary 4

Phase Unbalance

200.00

194.00

-0.64

-0.96

-1.28

-1.60

1.00 70.80 140.60 210.40 280.20 350.00

Frequency (MHz)

Amplitude Unbalance

0.21

0.16

0.11

0.06

0.01

-0.04

1.00 70.80 140.60 210.40 280.20 350.00

Frequency (MHz)

188.00

182.00

176.00

170.00

1.00 70.80 140.60 210.40 280.20 350.00

Frequency (MHz)

M/A-COM n North America: Tel. [phone], Fax [phone] n Asia/Pacific: Tel.[phone], Fax [phone] n
Europe: Tel. [phone], Fax[phone]

www.macom.com Specifications subject to change without notice.

S 0180 H