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參數(shù)資料
| 型號： | AWT6278RM20P9 |
| 廠商： | ANADIGICS 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 MM HEIGHT, ROHS COMPLIANT, MINI, M20, 10 PIN |
| 文件頁數(shù)： | 5/8頁 |
| 文件大小： | 415K |
| 代理商： | AWT6278RM20P9 |
Data Sheet - Rev 2.2
11/2008
AWT6278
5
APPLICATION INFORMATION
To ensure proper performance, refer to all related
Application Notes on the ANADIGICS web site:
http://www.anadigics.com
Shutdown Mode
The power amplifier may be placed in a shutdown
mode by applying logic low levels (see Operating
Ranges table) to the VENABLE, VMODE1 and VMODE2
voltages.
Bias Modes
The power amplifier may be placed in either a Low Bias
mode or a High Bias mode by applying the appropriate
Table 5: Bias Control
logic level (see Operating Ranges table) to the VMODE
voltages. The Bias Control table lists the recommended
modes of operation for various applications.
Three operating modes are recommended to optimize
current consumption. High Bias/High Power operating
mode is for POUT levels > 16 dBm. At ~16dBm - 7
dBm, the PA should be “Mode Switched” to Medium
Power Mode. For POUT levels < ~8 dBm, the PA can be
switched to Low Power Mode for even lower quiescent
current consumption.
Figure 3: Application Circuit Schematic
APPLICATION
POUT
LEVELS
BIAS
MODE
VENABLE
VMODE1
VMODE2
VCC
VBATT
WCDMA - low power
(Low Bias Mode)
< +8 dBm
Low
+2.4 V
3.2 - 4.2 V
> 3.2 V
WCDMA - med power
(Medium Bias Mode)
7 POUT <
+16 dBm
Low
+2.4 V
0 V
3.2 - 4.2 V
> 3.2 V
WCDMA - high power
(High Bias Mode)
> +16 dBm
High
+2.4 V
0 V
3.2 - 4.2 V
> 3.2 V
Optional lower VCC in
low power mode
< +7 dBm
Low
+2.4 V
2.4 V
1.5 V
> 3.2 V
Shutdown
-
Shutdown
0 V
3.2 - 4.2 V
> 3.2 V
0.01F
C3
0.01F
C4
2.2F ceramic
GND
at slug
RF IN
1
6
7
10
8
5
4
3
VBATT
VMODE1
GND
RFIN
GND
VCC
VENABLE
GND
RFOUT
VCC
C1
0.01F
VBATT
VMODE1
VENABLE
C2
10K
Optional
pull-down
RF OUT
VMODE2
29
VMODE2
C5
2.2 F
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