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參數(shù)資料
| 型號： | ACPM-7833 |
| 廠商： | AGILENT TECHNOLOGIES INC |
| 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)： | 8/21頁 |
| 文件大小： | 189K |
| 代理商： | ACPM-7833 |
16
ACPR Test Results using Spectrum Analyzer
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 (mea-
surement shown at 836 MHz for
general example) shows a com-
parison of the different ACPR
measurement results as a func-
tion of various RBW values. As
the RBW is reduced, less power is
captured during the measure-
ment and consequently the
channel power is recorded as a
Figure 19. Example ACPR measurement using Spectrum Analyzer.
smaller value. For example, if the
main channel power is measured
as 28 dBm in a 1.23 MHz band-
width, 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[1.23X10
6/30X103]
= 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.
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
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ACPM-7833-BLK | 功能描述:射頻放大器 CDMA Amp 1850-1910MHz 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 |
| ACPM-7833-TR1 | 功能描述:射頻放大器 CDMA Amp 1850-1910MHz 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 |
| 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 |
| ACPM-7868-TR1 | 制造商:Avago Technologies 功能描述:PA MODULE, LINEAR EDGE, 5X5MM |
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