參數(shù)資料
型號： MAX2335
廠商： Maxim Integrated Products, Inc.
英文描述： 450MHz CDMA/OFDM LNA/Mixer
中文描述： 450MHz CDMA/OFDM LNA/混頻器
文件頁數(shù)： 8/11頁
文件大?。?/td> 240K
代理商： MAX2335
M
Power-Supply Layout
To minimize coupling between different sections of the
IC, use a star configuration, which has a large decou-
pling capacitor at a central V
CC
node. The V
CC
traces
branch out from this node, each going to a separate
V
CC
pin of the MAX2335. At the end of each trace is a
bypass capacitor with impedance to ground less than
1
at the frequency of interest. This arrangement pro-
vides local decoupling at each V
CC
pin. Use at least
one via per bypass capacitor for a low-inductance
ground connection. Also, connect the exposed paddle
to the PC board GND with multiple vias to provide the
lowest inductance ground connection possible.
Matching Network Layout
The layout of a matching network can be very sensitive
to parasitic circuit elements. To minimize parasitic
inductance, keep all traces short and place compo-
nents as close to the IC as possible.
Use high-Q components for the LNA input-matching
network to achieve the lowest possible noise figure.
Keep the distance between the differential signal lines
at the mixer outputs constant and make both lines of
equal length to ensure signal balance.
Chip Information
PROCESS: SiGe
450MHz CDMA/OFDM LNA/Mixer
8
_______________________________________________________________________________________
Table 3. MAX2335 Mixer Input Impedance
in HGHL Mode
Table 4. MAX2335 Mixer Output
Impedance (Shunt RC) in HGHL Mode
FREQUENCY (MHz)
S11 (dB)
∠
S11
(DEGREES)
400
410
420
430
440
450
460
470
480
490
500
-1.2
-1.229
-1.247
-1.24
-1.24
-1.25
-1.28
-1.32
-1.33
-1.35
-1.35
77.23
74.52
71.7
69.124
66.47
63.97
61.455
58.68
55.87
53.565
50.87
IF FREQUENCY
(MHz)
EQUIVALENT
SHUNT
RESISTANCE
(k
)
EQUIVALENT
SHUNT
CAPACITANCE
(pF)
80
100
120
140
160
190
17.7
16.961
15.79
14.616
13.49
11.87
1.21
1.21
1.21
1.21
1.21
1.21
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PDF描述
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX2335EGI 功能描述:射頻前端 450MHz CDMA/OFDM LNA/Mixer RoHS:否 制造商:Skyworks Solutions, Inc. 類型: 工作頻率:2.4 GHz, 5 GHz 最大數(shù)據(jù)速率:54 Mbps 噪聲系數(shù): 工作電源電壓:3.3 V 電源電流:180 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-32
MAX2335ETI 功能描述:射頻前端 450MHz CDMA/OFDM LNA/Mixer RoHS:否 制造商:Skyworks Solutions, Inc. 類型: 工作頻率:2.4 GHz, 5 GHz 最大數(shù)據(jù)速率:54 Mbps 噪聲系數(shù): 工作電源電壓:3.3 V 電源電流:180 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-32
MAX2335ETI+ 功能描述:射頻前端 450MHz CDMA/OFDM LNA/Mixer RoHS:否 制造商:Skyworks Solutions, Inc. 類型: 工作頻率:2.4 GHz, 5 GHz 最大數(shù)據(jù)速率:54 Mbps 噪聲系數(shù): 工作電源電壓:3.3 V 電源電流:180 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-32
MAX2335ETI+T 功能描述:射頻前端 450MHz CDMA/OFDM LNA/Mixer RoHS:否 制造商:Skyworks Solutions, Inc. 類型: 工作頻率:2.4 GHz, 5 GHz 最大數(shù)據(jù)速率:54 Mbps 噪聲系數(shù): 工作電源電壓:3.3 V 電源電流:180 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-32
MAX2335ETI-T 功能描述:射頻前端 450MHz CDMA/OFDM LNA/Mixer RoHS:否 制造商:Skyworks Solutions, Inc. 類型: 工作頻率:2.4 GHz, 5 GHz 最大數(shù)據(jù)速率:54 Mbps 噪聲系數(shù): 工作電源電壓:3.3 V 電源電流:180 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-32
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