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| 型号： | MAX2650EUS+T |
| 厂商： | Maxim Integrated |
| 文件页数： | 5/6页 |
| 文件大小： | 0K |
| 描述： | IC AMP DC TO MICRO LN SOT143-4 |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 频率： | 0Hz ~ 1GHz |
| 增益： | 21dB |
| 噪音数据： | 3.9dB |
| RF 型： | 手机，GPS，W-LAN，WLLG |
| 电源电压： | 4.5 V ~ 5.5 V |
| 电流 - 电源： | 24mA |
| 测试频率： | 900MHz |
| 封装/外壳： | TO-253-4，TO-253AA |
| 包装： | 带卷 (TR) |
DC-to-Microwave, +5V Low-Noise Amplifier
_______________Detailed Description
The MAX2650 is a broadband amplifier with flat gain
and 50 ? input and output ports. Its small size and inter-
nal bias circuitry make it ideal for applications where
board space is limited.
__________Applications Information
External Components
As shown in the Typical Operating Circuit , the
MAX2650 is easy to use. Input and output series
capacitors may be necessary to block DC bias volt-
ages (generated by the MAX2650) from interacting with
adjacent circuitry. These capacitors must be large
enough to contribute negligible reactance in a 50 ? sys-
tem at the minimum operating frequency. Use the fol-
lowing equation to calculate their minimum value:
PC Board Layout Example
An example PC board layout is given in Figure 1. It
uses FR-4 with 31mil layer thickness between the RF
lines and the ground plane. The board satisfies all the
above requirements.
RF IN
RF OUT
C BLOCK =
53,000
f
(pF)
where f (in MHz) is the minimum operating frequency.
The V CC pin must be RF bypassed for correct opera-
tion. To accomplish this, connect a capacitor between
the V CC pin and ground, as close to the package as is
practical. Use the same equation given above (for DC
blocking capacitor values) to calculate the minimum
capacitor value. If there are long V CC lines on the PC
board, additional bypassing may be necessary. This
may be done further away from the package, at your
discretion.
Proper grounding of the GND pin is essential. If the PC
board uses a topside RF ground, the GND pin should
connect directly to it. For a board where the ground
plane is not on the component side, the best technique
is to connect the GND pin to it through multiple plated
through-holes.
V CC
EXPANDED VIEW
Figure 1. Example PC Board Layout
MAX2650
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX2650PCB | 功能描述:射频放大器 DC-to-Microwave +5V Low-Noise Amplifier 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 |
| MAX2651EUB | 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 |
| MAX2651EUB-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 |
| MAX2651EVKIT | 功能描述:放大器 IC 开发工具 RoHS:否 制造商:International Rectifier 产品:Demonstration Boards 类型:Power Amplifiers 工具用于评估:IR4302 工作电源电压:13 V to 23 V |
| MAX2652EUB | 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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