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參數資料
| 型號： | RF9678PCBA |
| 廠商： | RF Micro Devices, Inc. |
| 英文描述： | TRI N RECP M FLG 4-28 |
| 中文描述： | 的W - CDMA傳輸調制器和IF AGC |
| 文件頁數： | 1/16頁 |
| 文件大小： | 200K |
| 代理商： | RF9678PCBA |
5-91
5
M
U
Preliminary
Produc t Desc ription
Ordering Information
Typic al Applic ations
Features
Func tional 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 HBT
Si Bi-CMOS
SiGe HBT
GaAs MESFET
Si CMOS
1
VGC
2
VCC2
3
MOD+
4
MOD-
5
I
6
I
7
Q
8
Q
9
LO-
10 LO+
12 NC
13
V
14
A
15
I
16
P
Gain Control
S
Quad
/2
11 BG OUT
RF9678
W-CDMA TR ANS MIT 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 Amp with 55dB Gain Control
RF9678
RF9678 PCBA
W-CDMA Transmit Modulator and IF AGC
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 S tyle: LCC , 16-Pin, 4 x 4
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