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參數(shù)資料
| 型號(hào)： | ACPM-7833-TR1 |
| 元件分類： | 放大器 |
| 英文描述： | 1850 MHz - 1910 MHz RF/MICROWAVE NARROW BAND MEDIUM POWER AMPLIFIER |
| 封裝： | 4 X 4 MM, 1.10 MM HEIGHT, SMT, 10 PIN |
| 文件頁數(shù)： | 8/20頁 |
| 文件大?。?/td> | 208K |
| 代理商： | ACPM-7833-TR1 |
16
Vdd2
Vdd1
GND
RFin
Vbias
RFout
RF Out
GND
Vdd2
2.2 F
4700 pF
RFin
Vcntl
GND
4700 pF
Vcntl
4700 pF
REF 42.8 dBm
AT 30 dB
RBW = 1.0 MHz
RBW = 30 kHz
RBW = 300 kHz
Mkr 836 MHz
35.42 dBm
Center 836 MHz
VBW 100 kHz
Span 5.000 MHz
SWP 2.00 sec
The meaning of 16 dB
The accurate ACPR measurement using Spectrum
Analyzer needs to consider the normalization factor
that is dependent on the Resolution Bandwidth, RBW,
settings. The above figure (measurement shown at
836 MHz for general example) shows a comparison of
the different ACPR measurement results as a function
of various RBW values. As the RBW is reduced, less
power is captured during the measurement and
consequently the channel power is recorded as a
smaller value. For example, if the main channel power
is measured as 28 dBm in a 1.23 MHz bandwidth, its
power spectral density is 28 dBm/1.23 MHz, which can
be normalized to 11.87 dBm/30 kHz. The equation used
to calculate the normalization factor of power spectral
density is:
Normalization Factor =
10log[Normalization BW/Current BW
(Spectrum Analyzer RBW)]
= 10log[1.23X106/30X103]
= 16.13 dB
Since the ACPR in an IS95 system is specified in a
1.23 MHz bandwidth, a channel power that is measured
using a different RBW, can be normalized to reflect the
channel power as if it was measured in a 1.23 MHz
bandwidth. The difference in channel power measured
in 30 kHz bandwidth and the channel power measured
in a 1.23 MHz bandwidth is 16 dB.
ACPM-7833 Demoboard Operation Instructions
1) Module Description
The ACPM-7833 is a fully matched Power Amplifier.
The sample devices are provided on a demonstration
PC Board with SMA connectors for RF inputs and
outputs, and a DC connector for all bias and control
I/O’s. Please refer to Figures 20 through 23 and the Pin
configuration table for I/O descriptions and
connections.
Figure 20. ACPM-7833 Evaluation Board Schematic and Layout.
Figure 19. Example ACPR measurement using Spectrum Analyzer.
ACPR Test Results using Spectrum Analyzer
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ACPM-7868 | 制造商:AVAGO 制造商全稱:AVAGO TECHNOLOGIES LIMITED 功能描述:5 x 5 mm Power Amplifier Module Linear Quad-Band GSM/EDGE |
| ACPM-7868-BLK | 制造商:Avago Technologies 功能描述:PA MODULE, LINEAR EDGE, 5X5MM - Bulk |
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| ACPM-7881-BLK | 功能描述:射頻放大器 W-CDMA Amp 1920-1980MHz 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(diǎn):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(cè)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 |
| ACPM-7881-TR1 | 功能描述:射頻放大器 W-CDMA Amp 1920-1980MHz 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(diǎn):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(cè)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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