參數(shù)資料
型號: ACPM-7813-BLK
元件分類: 放大器
英文描述: 824 MHz - 849 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): 6/20頁
文件大?。?/td> 214K
代理商: ACPM-7813-BLK
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-30
-40
-50
-60
-70
-80
30 kHz
1.23 MHz
1st ACPR-U
1st ACPR-L
2nd ACPR-L
= 1.98 MHz
2nd ACPR-U
= 1.98 MHz
Offset frequency
1st ACPR (dBc)
2nd ACPR (dBc)
FREQUENCY (MHz)
ACPR Measurement Method
Adjacent-channel power ratio (ACPR) is used to
characterize the distortion of power amplifiers and
other subsystems for their tendency to cause
interference with neighboring radio channels or
systems. The ACPR measurement often is specified as
the ratio of the power spectral density (PSD) of the
CDMA main channel to the PSD measured at several
offset frequencies. For the Cellular band (824 ~
849 MHz transmitter channel), the two offsets are at
±885 kHz and ±1.98 MHz and the measurement
resolution bandwidth specified is 30 kHz. These offsets
are at ±1.25 MHz and ±1.98 MHz for the PCS band
(1850 ~ 1910 MHz transmitter channel).
Figure 18. CDMA Adjacent-Channel Power Ratio Measurement.
相關(guān)PDF資料
PDF描述
ACPM-7833 1850 MHz - 1910 MHz RF/MICROWAVE NARROW BAND MEDIUM POWER AMPLIFIER
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ACPM-7886-BLK 2010 MHz - 2025 MHz RF/MICROWAVE NARROW BAND MEDIUM POWER AMPLIFIER
ACPM-7886-TR1 2010 MHz - 2025 MHz RF/MICROWAVE NARROW BAND MEDIUM POWER AMPLIFIER
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