參數(shù)資料
型號: RF3321PCBA
廠商: RF Micro Devices, Inc.
英文描述: REVERSE PATH HIGH OUTPUT POWER PROGRAMMABLE GAIN AMPLIFIER
中文描述: 反向路徑高輸出功率可編程增益放大器
文件頁數(shù): 1/16頁
文件大?。?/td> 195K
代理商: RF3321PCBA
2-1
3
L
A
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
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
SHDNB
TX EN
NC
VIN
VINB
VCC1
VCC1
RAMP
GND
NC
NC
VOUT
VOUTB
SDA
CS
SCLK
Power
Control
Gain Control
and Serial Bus
RF3321
REVER S E PAT H HIGH OUT PUT POWER
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 RF3321 is a variable gain amplifier for use in CATV
reverse path (upstream) applications. It is designed to be
DOCSIS-compliant for use in cable modems. The gain
control covers a 56dB range and is serially programma-
ble via three-wire digital bus for compatibility with stan-
dard baseband chipsets. Amplifier shutdown and transmit
disable modes are hardware-controlled. The device oper-
ates over the frequency band of 5MHz to 65MHz for use
in current U.S. and European systems. The amplifier
delivers up to +69dBmV at the output of the balun. Gain
is controllable in accurate 1dB steps. The device is pro-
vided in a thermally enhanced, exposed die flag package.
Differential Input and Output
31dB Maximum Voltage Gain
-25dB Minimum Voltage Gain
5MHz to 65MHz Operation
Sophisticated Power Management
DOCSIS 1.1 RF Compliant
RF3321
Reverse Path High Output Power Programmable
Gain Amplifier
Fully Assembled Evaluation Board
RF3321 PCBA
2
Rev A10 010516
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 OP16 E DF Slug
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