XFA-0301-4UH - RF Micro Devices, Inc. (RFMD)

Features

1 of 2

RF MICRO DEVICES®, RFMD®, Optimum Technology Matching®, Enabling Wireless Connectivity™, PowerStar®, POLARIS™ TOTAL RADIO™ and UltimateBlue™ are trademarks of RFMD, LLC. BLUETOOTH is a trade-

mark owned by Bluetooth SIG, Inc., U.S.A. and licensed for use by RFMD. All other trade names, trademarks and registered trademarks are the property of their respective owners. ©2006, RF Micro Devices, Inc.

Product Description

7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical

support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com.

XFA-0301-4UH

1:4 SMT TRANSFORMER

The XFA-0301-4UH transformer is designed for applications that require small, low

cost, and highly reliable surface mount components. Applications may be found in

broadband, wireless, and other communications systems. These transformers are

built Lead-Free and RoHS compliant. S-Parameters are available on request.

Frequency Range 0.05MHz to

220MHz

Impedance Ratio: 1:4 Unbalanced to

Unbalanced

Low Cost and RoHS Compliant

Industry Standard SMT package

Available in Tape-and -Reel

50Ω Nominal Impedance

EDS-XFA-0301-4UH Rev 4

RoHS Compliant and Pb-Free Product

Package: S06

XFA-0301-4UH

Specifications

Parameter Specification Unit

Min. Typ. Max.

Frequency Range 0.05 220 MHz

Insertion Loss <1dB 0.18 150 MHz

Insertion Loss <2dB 0.07 180 MHz

Insertion Loss <3dB 0.05 220 MHz

Impedance Ratio 1:4

Type Unbalanced to Unbalanced

I nsertion Loss

-2.0

-1.5

-1.0

-0.5

0.0

0 25 50 75 100 125 150 175 200 225

Frequency (MHz)

S21 (d B)

S21 S31 Input Ret ur n Los s

-50

-40

-30

-20

-10

0 25 50 75 100 125 150 175 200 225

Fre que ncy (MHz)

S11

Schematic

2 of 2 EDS-XFA-0301-4UH Rev 4

7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical

support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com.

XFA-0301-4UH

Phase Balance

150

155

160

165

170

175

180

185

190

195

200

205

210

0 25 50 75 100 125 150 175 200 225

Fre quency (MHz )

Deg

Amplitude Balance

-1.0

-0.8

-0.6

-0.4

-0.2

0.0

0.2

0.4

0.6

0.8

1.0

0 25 50 75 100 125 150 175 200 225

Freque ncy (M Hz)

Pin Out

Pin Name

1Primary DOT

2NC

3Primary

4Secondary

5NC

6Secondary DOT

Exceeding any one or a combination of the Absolute Maximum Rating conditions may cause

permanent damage to the device. Extended application of Absolute Maximum Rating condi-

tions to the device may reduce device reliability. Specified typical performance or functional

operation of the device under Absolute Maximum Rating conditions is not implied.

RoHS status based on EUDirective2002/95/EC (at time of this document revision).

The information in this publication is believed to be accurate and reliable. However, no

responsibility is assumed by RF Micro Devices, Inc. ("RFMD") for its use, nor for any infringe-

ment of patents, or other rights of third parties, resulting from its use. No license is granted

by implication or otherwise under any patent or patent rights of RFMD. RFMD reserves the

right to change component circuitry, recommended application circuitry and specifications

at any time without prior notice.

Absolute Maximum Ratings

Parameter Rating Unit

RF Power +33 dBm

Operating Temperature -55 to +100 °C

Storage Temperature -55 to +100 °C

Package Drawing - S06