參數(shù)資料
型號： MAX2106
廠商： Maxim Integrated Products, Inc.
英文描述： 16-Bit Buffers/Drivers With 3-State Outputs 48-TVSOP -40 to 85
中文描述： DBS直接下變頻器
文件頁數(shù)： 1/10頁
文件大小： 182K
代理商： MAX2106
General Description
The MAX2106 low-cost, direct-conversion tuner IC is
designed for use in digital direct-broadcast satellite
(DBS) television set-top box units and is a pin-for-pin
upgrade for the MAX2104. Its direct-conversion archi-
tecture reduces system cost compared to devices with
IF-based architectures. The MAX2106 directly tunes L-
band signals to baseband using a broadband I/Q
downconverter. The operating frequency range spans
925MHz to 2175MHz.
The IC includes a low-noise amplifier (LNA) with gain
control, I and Q downconverting mixers, lowpass filters
with gain and frequency control, a local oscillator (LO)
buffer with a 90° quadrature network, and a charge-
pump-based phase-locked loop (PLL) for frequency
control. The MAX2106 has an on-chip LO, requiring
only an external varactor-tuned LC tank for operation.
The LO’s output drives the internal quadrature genera-
tor and has a buffer amplifier to drive off-chip circuitry.
The MAX2106 comes in a 48-pin thin quad flat-pack
package with exposed paddle (EP).
Applications
Broadband Systems
LMDS
Professional Receivers
VSAT
Microwave Links
Advantages Over MAX2104
o
Improved Front End Achieves 10.2dB NF at 1550MHz
o
Higher Input IIP3: 11.5dBm at 1550MHz
o
Reduced Spurious Downconversion Products
o
Capable of Using an External Synthesizer
Features
o
Drop-In Replacement for MAX2104 Designs:
Requires Only Minor Software Upgrade and
Two External Resistor Value Changes
o
Complete Low-Cost Solution for DBS Direct
Downconversion
o
High Level of Integration Minimizes Component
Count
o
1MBaud to 45MBaud Operation
o
Selectable LO Buffer
o
+5V Single-Supply Operation
o
925MHz to 2175MHz Input Frequency Range
o
On-Chip Quadrature Generator, Dual-Modulus
Prescaler (/32, /33)
o
On-Chip Crystal Oscillator Amplifier
o
PLL Phase Detector with Gain-Controlled Charge
Pump
o
Input Levels: -25dBm to -68dBm per Carrier
o
Over 50dB Gain Control Range
o
Noise Figure = 10.2dB; IIP3 = +11.5dBm
(at 1550MHz)
o
Automatic Baseband Offset Correction
M
DBS Direct Downconverter
________________________________________________________________
Maxim Integrated Products
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
1
19-1627; Rev 2; 6/03
Functional Diagram appears at end of data sheet.
Ordering Information
Pin Configuration
*
Exposed paddle.
48 TQFP-EP*
PIN-PACKAGE
TEMP RANGE
0°C to +85°C
MAX2106UCM
PART
PLLIN-
PLLIN+
MOD-
MOD+
LODIVSEL
IOUT+
IOUT-
V
CC
QOUT+
QOUT-
RFBAND
FLCLK
V
CC
CFLT
XTL-
XTL+
GND
V
CC
RFIN-
RFIN+
GND
GND
QDC-
QDC+
1
2
3
4
5
6
7
8
9
10
11
12
1
1
1
1
1
1
1
2
2
2
2
2
4
4
4
4
4
4
4
4
4
3
3
3
36
35
34
33
32
31
30
29
28
27
26
25
I
I
L
G
R
C
V
C
X
C
G
G
I
C
F
G
V
C
T
V
T
G
G
V
C
L
L
TQFP
MAX2106
TOP VIEW
U.S. DSS Set-Top Receivers
European DVB-Compliant
Systems
Cellular Base Stations
Wireless Local Loop
相關(guān)PDF資料
PDF描述
MAX2106UCM DBS Direct Downconverter
MAX2108CEG Direct-Conversion Tuner IC
MAX2108 16-Bit Buffers/Drivers With 3-State Outputs 48-SSOP -40 to 85
MAX2150 16-Bit Buffers/Drivers With 3-State Outputs 48-TVSOP -40 to 85
MAX2150ETI 16-Bit Buffers/Drivers With 3-State Outputs 48-SSOP -40 to 85
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX2106_05 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:DBS Direct Downconverter
MAX2106CCM 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Analog IC
MAX2106ECM 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述:
MAX2106UCM 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述:
MAX2106UCM+ 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:DBS Direct Downconverter
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