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Preliminary

RF2713

QUADRATURE MODULATOR/DEMODULATOR

7

Typical Applications

鈥?Digital and Analog Receivers and

Transmitters

鈥?High Data Rate Digital Communications

鈥?Spread-Spectrum Communication Systems

鈥?Interactive Cable Systems

鈥?Portable Battery-Powered Equipment

Product Description

The RF2713 is a monolithic integrated quadrature modu-

lator/demodulator. The demodulator is used to recover

the I and Q baseband signals from the amplified and fil-

tered IF. Likewise, the inputs and outputs can be reconfig-

ured to modulate I/Q signals onto an RF carrier. The

RF2713 is intended for IF systems where the IF fre-

quency ranges from 100kHz to 250MHz, and the LO fre-

quency is two times the IF. The IC contains all of the

required components to implement the modulation/

demodulation function and contains a digital divider type

90擄 phase shifter, two double balanced mixers, and base-

band amplifiers designed to interface with Analog to Digi-

tal Converters. The unit operates from a single 3V to 6V

power supply.

Optimum Technology Matching廬 Applied

0.157

0.150

0.018

0.014

0.008

0.004

5

MODULATORS AND

UPCONVERTERS

0.337

0.334

0.050

0.244

0.229

0.068

0.053

8擄 MAX

0擄 MIN

0.034

0.016

0.009

0.007

Package Style: SOIC-14

眉

Si Bi-CMOS

Si BJT

GaAs HBT

SiGe HBT

GaAs MESFET

Si CMOS

Features

鈥?3V to 6V Operation

鈥?Modulation or Demodulation

鈥?IF From 100kHz to 250MHz

鈥?Baseband From DC to 50MHz

鈥?Digital LO Quadrature Divider

鈥?Low Power and Small Size

I INPUT A 1

I INPUT B 2

Q INPUT A 3

Q INPUT B 4

BG OUT 5

I IF OUT 6

Q IF OUT 7

QUAD

DIV.

BY 2

14 VCC

13 LO INPUT

12 GND

11 GND

10 GND

9 I OUT

8 Q OUT

Ordering Information

RF2713

Quadrature Modulator/Demodulator

RF2713 PCBA-D Fully Assembled Evaluation Board (Demodulator)

RF2713 PCBA-M Fully Assembled Evaluation Board (Modulator)

RF Micro Devices, Inc.

7625 Thorndike Road

Greensboro, NC 27409, USA

Tel (336) 664 1233

Fax (336) 664 0454

http://www.rfmd.com

Functional Block Diagram

Rev A2 010129

7-17

next

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