RF9678PCBA datasheet(1/16 Pages) RFMD

部件名	RF9678PCBA

功能描述	W-CDMA TRANSMIT MODULATOR AND IF AGC

PDF	16 Pages

Scroll/Zoom	100%

制造商	RFMD [RF Micro Devices]

网页	http://www.rfmd.com

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1 / 16 page

5-91

5

Preliminary

Product Description

Ordering Information

Typical Applications

Features

Functional Block Diagram

RF Micro Devices, Inc.

7628 Thorndike Road

Greensboro, NC 27409, USA

Tel (336) 664 1233

Fax (336) 664 0454

http://www.rfmd.com

Optimum Technology Matching® Applied

Si BJT

GaAs MESFET

GaAs HBT

Si Bi-CMOS

ü

SiGe HBT

Si CMOS

1

VGC

2

VCC2

3

MOD+

4

MOD-

5

6

7

8

9 LO-

10 LO+

12 NC

13

14

15

16

Gain Control

S

Quad

/2

11 BG OUT

RF9678

W-CDMA TRANSMIT MODULATOR AND IF AGC

• W-CDMA Systems

• EDGE Systems

• CDMA Systems

• TDMA Systems

The RF9678 is an integrated complete quadrature modu-

lator and IF AGC amplifier designed for the transmit sec-

tion of W-CDMA applications. It is designed to modulate

baseband I and Q signals, and amplify the resulting IF

signals while providing 55dB of gain control range. This

circuit is designed as part of RFMD’s single mode

W-CDMA Chipset, which also includes the RF2679

W-CDMA Receive IF AGC and Demodulator. The IC is

manufactured on an advanced Silicon Bi-CMOS process,

and is supplied in a16-pin leadless chip carrier.

• Digitally Controlled Power Down Modes

• 2.7V to 3.3V Operation

• Digital LO Quadrature Divider

• AGC Linearity/Current Consumption Var.

• IF AGC Ampwith55dBGainControl

RF9678

W-CDMA Transmit Modulator and IF AGC

RF9678 PCBA

Fully Assembled Evaluation Board

5

Rev A4 010622

Dimensions in mm.

1.85

1.55 sq.

.60

.24 typ

.75

.50

.23

.13

4 PLCS

.65

.30

4 PLCS

4.00

sq.

2

.35

.23

.65

.05

.01

12°

max

1.00

0.85

.80

.65

NOTES:

Shaded Pin is Lead 1.

1

5

Die thickness allowable: 0.305 mm max.

Package Warpage: 0.05 max.

4

Pin 1 identifier must exist on top surface of package by identification mark or

feature on the package body. Exact shape and size is optional.

3

Dimension applies to plated terminal and is measured between 0.02 mm and

0.25 mm from terminal end.

2

Package Style: LCC, 16-Pin, 4x4

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