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參數資料
| 型號： | HFA3767IA96 |
| 廠商： | INTERSIL CORP |
| 元件分類： | 無繩電話/電話 |
| 英文描述： | 130MHz CDMA/AMPS Quadrature Modulator and AGC |
| 中文描述： | TELECOM, CELLULAR, RF AND BASEBAND CIRCUIT, PDSO20 |
| 封裝： | PLASTIC, SSOP-20 |
| 文件頁數： | 1/6頁 |
| 文件大小： | 150K |
| 代理商： | HFA3767IA96 |
1
FN4298.3
PRELIMINARY
HFA3767
130MHz CDMA/AMPS Quadrature
Modulator and AGC
The HFA3767 is a monolithic bipolar
quadrature modulator with gain control
for CDMA/AMPS cellular applications.
An upconverter quadrature mixer and
an output gain control stage with better
than 70dB of dynamic range are integrated in the design. A
local oscillator input requires low drive levels and a divide by
two phase shifter with duty cycle compensation achieves
excellent phase and amplitude balance properties. The
HFA3767 is one of the four chips in the PRISM chip set
and is housed in a 20 lead SSOP package ideally suited to
cellular handset applications.
Simplified Block Diagram
Features
I/Q Amplitude and Phase Balance. . . . . . . . . . . 0.5dB, 2
o
130MHz AGC Amplifier/Attenuator range . . . . . . . .>70dB
Low LO Drive Level . . . . . . . . . . . . . . . . . . . . . . . .-10dBm
Power Enable/Disable Control
Single Supply Battery Operation . . . . . . . . . . . 2.7 to 3.3V
Applications
IS95A CDMA/AMPS Dual Mode Handsets
Wideband CDMA Handsets
Full Duplex Transceivers
CDMA/TDMA Packet Protocol Radios
Portable Battery Powered Equipment
Pinout
HFA3767
(SSOP)
TOP VIEW
Ordering Information
PART NUMBER
TEMP.
RANGE (
o
C)
PACKAGE
PKG. NO.
HFA3767IA
-40 to 85
20 Ld SSOP
M20.15
HFA3767IA96
-40 to 85
Tape and Reel
÷
2 0/90
o
IF LO
TXI
TXQ
∑
IF
OUTPUT
AGC_CTRL
BIAS
NETWORK
TX_PE
20
19
18
17
16
15
14
13
12
11
1
2
3
4
5
6
7
8
9
10
TX_PE
GND
TXI+
TXI-
NC
TXQ-
TXQ+
MIX_GND
DPS_GND
DPS_V
CC
V
CC
AGC_CTRL
GC
AGC_V
CC
TX_IF-
TX_IF+
AGC_GND
CAP
LO_IN
LO_GND
Data Sheet
February 1998
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 321-724-7143
|
Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright Intersil Americas Inc. 2002. All Rights Reserved
PRISM is a registered trademark of Intersil Americas Inc. PRISM and design is a trademark of Intersil Americas Inc.
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