max2107 ETC-unknow, max2107 Datasheet
max2107
Manufacturer Part Number
max2107
Description
Direct-conversion Tuner Digital Applications
Manufacturer
ETC-unknow
Datasheet
1.MAX2107.pdf
(2 pages)
The MAX2107 is a low-cost, direct-conversion tuner IC
designed for use in digital, direct-broadcast-satellite
(DBS) television set-top box units. Its direct-conversion
architecture reduces system cost compared to devices
with IF-based architectures.
The MAX2107 directly tunes L-band signals to base-
band using a broadband I/Q downconverter. Operating
frequency range spans from at least 950MHz to
1450MHz.
The IC includes an LNA with AGC, two downconverter
mixers, an oscillator with 90° quadrature generator and
prescaler, and baseband amplifiers.
ADVANCE INFORMATION
All information in this data sheet is preliminary
and subject to change.
6/98
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.
For small orders, phone 408-737-7600 ext. 3468.
†
Patents pending
DirecTV, PrimeStar, EchoStar DBS Tuners
DVB-Compliant DBS Tuners
Cellular Base Stations
Wireless Local Loop
Broadband Systems
LMDS
14
V
CC
15
QDC
________________________________________________________________ Maxim Integrated Products
OFFSET CORRECTION
13
QOUT
MAX2107
Q
16
QDC
General Description
12
GND
17
IDC
18
11
GND
IDC
Applications
10
19
GND
AGC
20
GND
9
V
CC
0
for Digital DBS Applications
Direct-Conversion Tuner IC
90
21
TANK
RFIN
8
22
TANK
RFIN
7
____________________________Features
MAX2107CWI
Low-Cost Bipolar Design, Lowest Cost
Architecture
Operates from Single +5V Supply
950MHz to 1450MHz Input Frequency Range
On-Chip Oscillator
On-Chip Quadrature Generator, Dual-Modulus
Prescaler (/64, /65)
Input Levels: -19dBm to -61dBm per Carrier
Over 40dB AGC Control Range
Noise Figure = 13.2dB; IIP3 = 6.5dBm
(at 1450MHz)
Automatic Baseband Offset Correction
Easy Interface to MAX1002/MAX1003 Dual ADC
and Popular Baseband ICs
Evaluation Kit Available, Tuner Reference Design
Assistance Available
PART
23
V
6
V
CC
CC
24
GND
5
GND
PSGND
TEMP. RANGE
25
4
V
0°C to +70°C
CC
Ordering Information
Functional Diagram
164, 165
26
PSOUT
3
GND
2
IOUT
I
27
MOD
28 Wide SO
PIN-PACKAGE
28
1
V
V
CC
CC
1
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max2107 Summary of contents
Page 1
... ADVANCE INFORMATION All information in this data sheet is preliminary and subject to change. 6/98 General Description The MAX2107 is a low-cost, direct-conversion tuner IC designed for use in digital, direct-broadcast-satellite (DBS) television set-top box units. Its direct-conversion architecture reduces system cost compared to devices with IF-based architectures. The MAX2107 directly tunes L-band signals to base- band using a broadband I/Q downconverter ...
Page 2
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