參數(shù)資料
型號(hào)： MAX2120
廠商： Maxim Integrated Products, Inc.
英文描述： Complete, Direct-Conversion Tuner for DVB-S and Free-to-Air Applications
中文描述： 完備的直接變頻調(diào)諧器，用于DVB-S和免費(fèi)廣播系統(tǒng)
文件頁(yè)數(shù)： 8/21頁(yè)
文件大?。?/td> 316K
代理商： MAX2120
M
Complete, Direct-Conversion Tuner for DVB-S
and Free-to-Air Applications
8
_______________________________________________________________________________________
Pin Description
PIN
NAME
DESCRIPTION
1
VCC_RF2
DC Power Supply for LNA. Connect to a +3.3V low-noise supply. Bypass to GND with a 1nF capacitor
connected as close as possible to the pin. Do not share capacitor ground vias with other ground
connections.
2
VCC_RF1
DC Power Supply for LNA. Connect to a +3.3V low-noise supply. Bypass to GND with a 1nF capacitor
connected as close as possible to the pin. Do not share capacitor ground vias with other ground
connections.
3
4
GND
RFIN
Ground. Connect to the board’s ground plane for proper operation.
Wideband 75
Ω
RF Input. Connect to an RF source through a DC-blocking capacitor.
RF Gain-Control Input. High-impedance analog input, with a 0.5V to 2.7V operating range. V
GC1
=
0.5V corresponds to the maximum gain setting.
5
GC1
6
VCC_LO
DC Power Supply for LO Generation Circuits. Connect to a +3.3V low-noise supply. Bypass to GND
with a 1nF capacitor connected as close as possible to the pin. Do not share capacitor ground vias
with other ground connections.
7
VCC_VCO
DC Power Supply for VCO Circuits. Connect to a +3.3V low-noise supply. Bypass to GND with a 1nF
capacitor connected as close as possible to the pin. Do not share capacitor ground vias with other
ground connections.
8
VCOBYP
Internal VCO Bias Bypass. Bypass to GND with a 100nF capacitor connected as close as possible to
the pin. Do not share capacitor ground vias with other ground connections.
9
VTUNE
High-Impedance VCO Tune Input. Connect the PLL loop filter output directly to this pin with as short
of a connection as possible.
10
11
GNDTUNE
GNDSYN
Ground for VTUNE. Connect to the PCB ground plane.
Ground for Synthesizer. Connect to the PCB ground plane.
12
CPOUT
Charge-Pump Output. Connect this output to the PLL loop filter input with the shortest connection
possible.
Typical Operating Characteristics (continued)
(MAX2120 Evaluation Kit: V
CC
= +3.3V, baseband output frequency = 5MHz; V
GC1
= 1.2V; T
A
= +25°C. Default register settings
except ICP = 1 and BBG[3:0] = 1011.)
PHASE NOISE vs. OFFSET FREQUENCY
M
OFFSET FREQUENCY (kHz)
P
100
1
10
-100
-90
-70
-60
-130
-110
-80
-120
0.1
1000
f
LO
= 1800MHz
LO LEAKAGE vs. LO FREQUENCY
M
LO FREQUENCY (MHz)
L
1925
1175
1675
1425
-80
-70
-90
-85
-75
925
2175
MEASURED AT RF INPUT
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX2120_10 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Complete, Direct-Conversion Tuner for DVB-S and Free-to-Air Applications
MAX2120CTI+ 功能描述:調(diào)諧器 Direct Conversion Tu Ner For Dvb-S -75 To RoHS:否 制造商:NXP Semiconductors 功能: 噪聲系數(shù): 工作電源電壓: 最小工作溫度: 最大工作溫度:
MAX2120CTI+T 功能描述:調(diào)諧器 Direct Conversion Tu Ner For Dvb-S -75 To RoHS:否 制造商:NXP Semiconductors 功能: 噪聲系數(shù): 工作電源電壓: 最小工作溫度: 最大工作溫度:
MAX2120EVKIT+ 功能描述:射頻開(kāi)發(fā)工具 MAX2120 Eval Kit RoHS:否 制造商:Taiyo Yuden 產(chǎn)品:Wireless Modules 類型:Wireless Audio 工具用于評(píng)估:WYSAAVDX7 頻率: 工作電源電壓:3.4 V to 5.5 V
MAX2121 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Complete Direct-Conversion L-Band Tuner
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