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参数资料
| 型号： | MAX2406 |
| 厂商： | Maxim Integrated Products, Inc. |
| 英文描述： | Low-Cost Downconverter with Low-Noise Amplifier |
| 中文描述： | 低成本下变频器，带有低噪声放大器 |
| 文件页数： | 6/8页 |
| 文件大小： | 92K |
| 代理商： | MAX2406 |
M
LO Inputs
The LO and
LO
pins are internally terminated with 50
resistors. See the Typical Operating Characteristics for
a plot of LO Port Return Loss vs. Frequency. AC couple
the local-oscillator signal to these pins. If a single-
ended LO source is used, connect
LO
to ground.
IF Output Port
The receive mixer output appears on the differential IF
and
IF
pins. These open-collector outputs each require
an external inductor to V
CC
for DC biasing. This port
typically requires a matching network for coupling to an
external IF filter. For single-ended operation, connect
the unused side (typically
IF
) to V
CC
, and decouple it to
ground with a 1000pF capacitor. Figure 1 shows exam-
ples of single-ended and differential IF port connec-
tions. Refer to the IF and
IF
Output Impedance vs.
Frequency plot in the Typical Operating Characteris-
tics. At lower IF frequencies, a shunt resistor across the
pull-up inductor (in single-ended applications) or
across IF and
IF
(in differential applications) can be
used to set the IF impedance.
Power-Down Control
Pulling RXEN low places the MAX2406 in shutdown
mode. Power-down is guaranteed with a control voltage
at or below 0.6V. The device exits shutdown in 0.5μs
typical.
__________Applic ations Information
Extended Frequenc y Range
The MAX2406 has been characterized at 1.9GHz for
use in PCS applications; however, it operates over a
much wider frequency range. The LNA gain and noise
figure, as well as receive mixer conversion gain, are
plotted over a wide frequency range in the Typical
Operating Characteristics. When operating the device
at frequencies other than those specified in the specifi-
cation table, it may be necessary to design or alter the
matching networks on LNAIN, RXMIXIN, IF, and (if
used)
IF
. In some cases, the internal broadband output
match on LNAOUT may have to be supplemented by
an external matching circuit. The Typical Operating
Characteristics provide port-impedance data vs. fre-
quency for use in designing a matching network. The
Low-Cost Downc onverter
with Low-Noise Amplifier
6
_______________________________________________________________________________________
Figure 1. MAX2406 Typical Operating Circuit
MAX2406
RXEN
V
CC
V
CC
V
CC
V
CC
V
CC
LNAOUT
V
CC
RXMXIN
GND
IF
IF
LNA OUTPUT
*OPTIONAL
IF OUTPUT
(SINGLE-ENDED)
IF OUTPUT
DIFFERENTIAL
DIFFERENTIAL IF OPERATION
LO
LO
LNAIN
LNA INPUT
RECEIVER
ENABLE
LOINPUT
(SINGLE-ENDED)
RECEIVE
MIXER
INPUT
47pF
47pF
2
9
5
19
13
L
CHOKE
L
CHOKE
L
CHOKE
14
14
13
1, 3, 4, 10,
11, 12, 15,
17, 18, 20
6
7
R*
R*
8
16
220pF
220pF
MATCH
220pF
LO
DIFFERENTIAL LOOPERATION
LOINPUT
DIFFERENTIAL
7
8
220pF
220pF
1000pF
V
CC
1000pF
1000pF
1000pF
1000pF
1000pF
4.7nH
*1pF
220pF
1pF
IF
IF
LO
M
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX2406E/D | 功能描述:射频放大器 RoHS:否 制造商:Skyworks Solutions, Inc. 类型:Low Noise Amplifier 工作频率:2.3 GHz to 2.8 GHz P1dB:18.5 dBm 输出截获点:37.5 dBm 功率增益类型:32 dB 噪声系数:0.85 dB 工作电源电压:5 V 电源电流:125 mA 测试频率:2.6 GHz 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:QFN-16 封装:Reel |
| MAX2406EEP | 功能描述:射频放大器 RoHS:否 制造商:Skyworks Solutions, Inc. 类型:Low Noise Amplifier 工作频率:2.3 GHz to 2.8 GHz P1dB:18.5 dBm 输出截获点:37.5 dBm 功率增益类型:32 dB 噪声系数:0.85 dB 工作电源电压:5 V 电源电流:125 mA 测试频率:2.6 GHz 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:QFN-16 封装:Reel |
| MAX2406EEP+ | 功能描述:射频放大器 RF and RFID RoHS:否 制造商:Skyworks Solutions, Inc. 类型:Low Noise Amplifier 工作频率:2.3 GHz to 2.8 GHz P1dB:18.5 dBm 输出截获点:37.5 dBm 功率增益类型:32 dB 噪声系数:0.85 dB 工作电源电压:5 V 电源电流:125 mA 测试频率:2.6 GHz 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:QFN-16 封装:Reel |
| MAX2406EEP+T | 功能描述:射频放大器 RF and RFID RoHS:否 制造商:Skyworks Solutions, Inc. 类型:Low Noise Amplifier 工作频率:2.3 GHz to 2.8 GHz P1dB:18.5 dBm 输出截获点:37.5 dBm 功率增益类型:32 dB 噪声系数:0.85 dB 工作电源电压:5 V 电源电流:125 mA 测试频率:2.6 GHz 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:QFN-16 封装:Reel |
| MAX2406EEP-T | 功能描述:射频放大器 RoHS:否 制造商:Skyworks Solutions, Inc. 类型:Low Noise Amplifier 工作频率:2.3 GHz to 2.8 GHz P1dB:18.5 dBm 输出截获点:37.5 dBm 功率增益类型:32 dB 噪声系数:0.85 dB 工作电源电压:5 V 电源电流:125 mA 测试频率:2.6 GHz 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:QFN-16 封装:Reel |
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