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参数资料
| 型号： | ACPM-7813-TR1 |
| 厂商： | AGILENT TECHNOLOGIES INC |
| 元件分类： | 放大器 |
| 英文描述： | 824 MHz - 849 MHz RF/MICROWAVE NARROW BAND MEDIUM POWER AMPLIFIER |
| 封装： | 4 X 4 MM, 1.10 MM HEIGHT, SMT, 10 PIN |
| 文件页数： | 6/21页 |
| 文件大小： | 183K |
| 代理商： | ACPM-7813-TR1 |
14
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 measure-
ment often is specified as the
ratio of the power spectral
density (PSD) of the CDMA main
channel to the PSD measured at
Figure 18. CDMA Adjacent-Channel Power Ratio Measurement.
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).
0
-10
-20
-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)
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| ACPM-7821 | 制造商:AVAGO 制造商全称:AVAGO TECHNOLOGIES LIMITED 功能描述:4 x 4 Power Amplifier Module for J-CDMA (898 - 925 MHz) |
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| ACPM-7822 | 制造商:AVAGO 制造商全称:AVAGO TECHNOLOGIES LIMITED 功能描述:JCDMA 4x4 Power Amplifier Module (898-925MHz) |
| ACPM-7822-BLK | 制造商:AVAGO 制造商全称:AVAGO TECHNOLOGIES LIMITED 功能描述:JCDMA 4x4 Power Amplifier Module (898-925MHz) |
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