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參數資料
| 型號： | RF3320PCBA |
| 廠商： | RF Micro Devices, Inc. |
| 英文描述： | CABLE REVERSE PATH PROGRAMMABLE GAIN AMPLIFIER |
| 中文描述： | 電纜反向路徑可編程增益放大器 |
| 文件頁數： | 1/18頁 |
| 文件大?。?/td> | 318K |
| 代理商： | RF3320PCBA |
3-27
3
L
A
Preliminary
Produc t Desc ription
Ordering Information
Typic al Applic ations
Features
Func tional Block Diagram
RF Micro Devices, Inc.
7625 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
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
SHDNB
TX EN
NC
VIN
VINB
VCC
VCC
RAMP
GND
NC
NC
VOUT
VOUTB
SDA
CS
SCLK
Power
Control
Gain Control
and Serial Bus
RF3320
CABLE REVER S E PAT H
PR OGR AMMABLE GAIN AMPLIFIER
Euro-DOCSIS/DOCSIS Cable Modems
CATV Set-Top Boxes
Telephony Over Cable
Home Networks
Automotive/Mobile Multimedia
Coaxial and Twisted Pair Line Driver
The RF3320 is a variable gain amplifier for use in CATV
reverse path (upstream) applications. It is DOCSIS-com-
pliant for use in cable modems. The gain control covers a
58dB range and is serially programmable via three-wire
digital bus for compatibility with standard baseband
chipsets. Amplifier shutdown and transmit disable modes
are software- and hardware-controlled. The device is
placed into software-shutdown mode via the serial control
bus. The device operates over the frequency band of
5MHz to 65MHz for use in current U.S. and European
systems. The amplifier delivers up to 60dBmV at the out-
put of the balun. Gain is controllable in accurate 1dB
steps. The device is provided in a thermally enhanced,
exposed die flag package.
Single 5V Supply
Differential Input and Output
-30dB to +28dB Voltage Gain Range
5MHz to 65MHz Operation
Sophisticated Power Management
DOCSIS 1.1 RF Compliant
RF3320
RF3320 PCBA
Cable Reverse Path Programmable Gain Amplifier
Fully Assembled Evaluation Board
3
Rev A10 010514
NOTES:
1. Shaded lead is pin 1.
2. Lead coplanarity - 0.10 with
respect to datum "A".
3. Lead standoff is specified from
the lowest point on the package
underside.
8° MAX
0° MIN
0.60
+ 0.15
0.24
0.20
3.90
+ 0.10
0.25
+ 0.05
0.65
6.00
+ 0.20
4.90
+ 0.20
EXPOSED DIE
FLAG
3.302
2.286
1.40
+ 0.10
0.05
+ 0.05
Note 3
-A-
Package S tyle: S S OP-16 E DF S lug
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