M A COM MABAES0031 Datasheet

E-Series RF 4:1 Flux Coupled Transformer

1.0 - 650 MHz

Features

• Surface Mount

• 1:4 Impedance Ratio

• CT on Secondary

• Available on Tape & Reel

Description

M/A-COM’s MABAES0031 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. Typical
applications include single to balanced mode conversion and
impedance matching.

SM-138 Package

Schematic

Primary Dot 4

3 turns

Primary 5

MABAES0031

3 Secondary Dot

3 turns

2 Secondary CT

3 turns

1 Secondary

Electrical Specifications @25°C

Parameter Units Typical Minimum Maximum

Frequency Range 1 - 650 MHz — — —
Insertion Loss (fL - fU)

10 - 200 MHz
1 - 450 MHz
450 - 650 MHz

Amplitude Unbalance
10 - 200 MHz
1 - 650 MHz

Phase Unbalance
10 - 200 MHz
1 - 500 MHz
500 –650 MHz

Note: Mean and Sigma calculated from average loss at @ 105 MHz.
Please Note that the photograph above indicates typical package only, not actual unit.

Specifications subject to change without notice.

n North America: Tel. [phone], Fax [phone]
n Asia/Pacif ic: Tel.[phone], Fax [phone]
n Europe: Tel. [phone], Fax[phone]

Visit www.macom.com for additional data sheets and product information.

dB
dB
dB

dB
dB

Degrees
Degrees
Degrees

0.7

1.5

3.0

0.12

0.6

1
3
7

—
—
—

—
—

—
—
—

S 1613 A

1.0

2.0

3.5

0.25

1.0

2.0

5.0
10

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E-Series RF 4:1 Flux Coupled Transfor mer, 1.0-650 MHz

MABAES0031

Absolute Maximum Ratings

Parameter Absolute Maximum

RF Power 250 mW

DC Current 30 mA

Operating Temperature -40°C to +85°C

Storage Temperature -40°C to +85°C

Typical Performance @ +25°C

Primary to Secondary Dot Insertion Loss

0.00

-0.5 0

Functional Configuration

Function Pin No.

Secondary 1

Secondary CT 2

Secondary Dot 3

Primary Dot 4

Primary 5

Primary to Secondary Insertion Loss

0.00

-0.70

-1.0 0

dB

-1.5 0

-2.0 0

-2.5 0

1.00 130.80 260.60 390.40 520.20 650.00

Amplitude Unbalance

0.40

0.16

-0.08

dB

-0.32

-0.56

-0.80

1.00 130.80 260.60 390.40 520.20 650.00

Frequency (MHz)

Frequency (MHz)

-1.40

dB

-2.10

-2.80

-3.50

1.00 130.80 260.60 390.40 520.20 650.00

Phase Balance

200.00

190.00

180.00

Degrees

170.00

160.00

150.00

1.00 130.80 260.60 390.40 520.20 650.00

Frequency (MHz )

Frequency (MHz)

Note: All measurements performed on Hewlett Packard 8753D Network Analyzer (201 sample points, linear s cale) in a 50 ohm coplanar
waveguide environment. Tables created using MDS software.

Specifications subject to change without notice.

n North America: Tel. [phone], Fax [phone]
n Asia/Pacif ic: Tel.[phone], Fax [phone]
n Europe: Tel. [phone], Fax[phone]

Visit www.macom.com for additional data sheets and product information.

S 1613 A

V 1.0

1