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參數(shù)資料
| 型號： | ALM-2712-BLKG |
| 元件分類： | 無繩電話/電話 |
| 英文描述： | TELECOM, CELLULAR, RF AND BASEBAND CIRCUIT, BCC12 |
| 封裝： | 3 X 2.50 MM, 1 MM HEIGHT, HALOGEN AND LEAD FREE, MCOB-12 |
| 文件頁數(shù)： | 17/20頁 |
| 文件大?。?/td> | 412K |
| 代理商： | ALM-2712-BLKG |
6
Figure 8. Application Circuit
* optional, see notes below
Notes
The module is fully matched at the input and output RF pins. The RFinput pin is connected directly to a shunt inductor to ground. As such a DC
blocking capacitor is required if DC voltages are present. The RFoutput pin is already DC-blocked by the internal lter inside the module.
Best noise performance is obtained using high-Q wirewound inductors. This circuit demonstrates that low noise gures are obtainable with
standard 0402 chip inductors.
C1 and C2 are bypass capacitors for RF and low frequency stability and linearity .
L1 and R1 isolates the demoboard from external disturbances during measurement. It is not needed in actual application. Likewise, C3 mitigate the
eect of external noise pickup on the Vsd line. This component are not required in actual operation. Minimal component operation is as shown in
the schematic on page 1.
Bias control is achieved by either varying the Vsd voltage with/ without R2, or xing the Vsd voltage to Vdd and adjusting R2 for the desired
current.
RFin
Vdd=+2.7V
RFout
Vsd
R2*
C3*
L1*
R1*
C2
47pF
C1 0.1uF
Vdd
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| ALM-2712-TR1G | 功能描述:射頻放大器 LNA Filter RoHS:否 制造商:Skyworks Solutions, Inc. 類型:Low Noise Amplifier 工作頻率:2.3 GHz to 2.8 GHz P1dB:18.5 dBm 輸出截獲點:37.5 dBm 功率增益類型:32 dB 噪聲系數(shù):0.85 dB 工作電源電壓:5 V 電源電流:125 mA 測試頻率:2.6 GHz 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-16 封裝:Reel |
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| ALM-2812-TR1G | 功能描述:射頻放大器 Dual band WLAN LNA RoHS:否 制造商:Skyworks Solutions, Inc. 類型:Low Noise Amplifier 工作頻率:2.3 GHz to 2.8 GHz P1dB:18.5 dBm 輸出截獲點:37.5 dBm 功率增益類型:32 dB 噪聲系數(shù):0.85 dB 工作電源電壓:5 V 電源電流:125 mA 測試頻率:2.6 GHz 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-16 封裝:Reel |
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