參數(shù)資料
型號: MAX2108CEG
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: 調(diào)諧器
英文描述: Direct-Conversion Tuner IC
中文描述: 1-BAND, VIDEO TUNER, PDSO24
封裝: 0.150 INCH, 0.025 INCH PITCH, QSOP-24
文件頁數(shù): 1/12頁
文件大?。?/td> 155K
代理商: MAX2108CEG
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.
For small orders, phone 1-800-835-8769.
General Desc ription
The MAX2108 is a low-cost direct-conversion tuner IC
designed for use in digital direct-broadcast satellite
(DBS) television set-top box units and microwave links.
Its direct-conversion architecture reduces system cost
compared to devices with IF-based architectures.
The MAX2108 directly tunes L-band signals to base-
band using a broadband I/Q downconverter. The oper-
ating frequency range spans from 950MHz to
2150MHz. The IC includes a low-noise amplifier (LNA)
with gain control, two downconverter mixers with output
buffers, a 90° quadrature generator, and a divide-by
32/33 prescaler.
Applic ations
DirecTV, PrimeStar, EchoStar DBS Tuners
DVB-Compliant DBS Tuners
Cellular Base Stations
Wireless Local Loop
Broadband Systems
LMDS
Microwave Links
Features
o
Low-Cost Architecture
o
Operates from Single +5V Supply
o
On-Chip Quadrature Generator, Dual-Modulus
Prescaler (/32, /33)
o
Input Levels: -20dBm to -70dBm per Carrier
o
Over 50dB RF Gain-Control Range
o
10dB Noise Figure at Maximum Gain
o
+8dBm IIP3 at Minimum Gain
M
Direc t-Conversion Tuner IC
________________________________________________________________ Maxim Integrated Products
1
PS_SEL
GC
GND
GND
RFIN
RFIN
GND
IOUT
IOUT
PSOUT
V
CC
V
CC
V
CC
V
CC
PSOUT
GND
GND
N.C.
LO
LO
QOUT
QOUT
N.C.
GND
12
11
10
9
8
7
6
5
4
3
2
1
13
14
15
16
17
18
19
20
21
22
23
24
MAX2108
/32
/33
90
Q
0
I
Func tional Diagram
19-1449; Rev 0; 4/99
PART
MAX2108CEG
0°C to +70°C
TEMP. RANGE
PIN-PACKAGE
24 QSOP
Ordering Information
Pin Configuration appears at end of data sheet.
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相關(guān)代理商/技術(shù)參數(shù)
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