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參數(shù)資料
| 型號(hào)： | AWT6224RM28Q7 |
| 廠(chǎng)商： | ANADIGICS INC |
| 元件分類(lèi)： | 放大器 |
| 英文描述： | 880 MHz - 915 MHz RF/MICROWAVE NARROW BAND MEDIUM POWER AMPLIFIER |
| 封裝： | 5 X 3 MM, 1 MM HEIGHT, ROHS COMPLIANT, M28, 14 PIN |
| 文件頁(yè)數(shù)： | 6/8頁(yè) |
| 文件大小： | 356K |
| 代理商： | AWT6224RM28Q7 |
6
Data Sheet - Rev 2.2
11/2008
AWT6224R
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 and VMODE1 pins.
Bias Modes
The power amplifier may be placed in either a Low Bias
mode or a High Bias mode by applying the appropriate
logic level (see Operating Ranges table) to VMODE1.
Table 6: Bias Control
The Bias Control table lists the recommended modes
of operation for various applications. VMODE2 is not
necessary for this PA.
Two operating modes are available to optimize
current consumption. High Bias/High Power operating
mode is for POUT levels > 16 dBm. At around 16 dBm
output power, the PA should be “Mode Switched” to
Medium/Low power mode for lowest quiescent current
consumption.
Figure 3: Application Circuit
Bias Control
RFIN_900
1
13
11
14
12
3
4
2
GND
5
6
10
9
Bias Control
GND
RFIN_IMT
GND at slug (pad)
GND
VMODE
VBATT
VEN_900
VEN_IMT
VCC
68 pF
1000 pF
0.01 F
2.2 F
0.01 F
Note:
(1) Add blocking cap if DC voltage is present on input pin.
(2) 68 pF cap should be placed as close as possible to Pin 4.
(3) TRL should be short and of 50 characteristic impedance.
(4) TRL 5 should be as long as possible (minimum of 0.1 at 800 MHz) and capable of handling 750 mA current.
Optional 4.7 nH coil may be substituted.
8
7
GND
(1)
N/C
RFOUT_900
TRL5
TRL3
TRL1
TRL2
68 pF
RFOUT_IMT
TRL4
(3)
(4)
(2)
APPLICATION
POUT
LEVELS
BIAS
MODE
VENABLE
VMODE1
VCC
VBATT
UMTS - low power
< +16 dBm
Low
+2.4 V
3.2 - 4.2 V
> 3.2 V
UMTS - high power
> +16 dBm
High
+2.4 V
0 V
3.2 - 4.2 V
> 3.2 V
OPTIONAL - low power
< +7 dBm
Low
+2.4 V
1.5 - 3.2 V
> 3.2 V
Shutdown
-
Shutdown
0 V
3.2 - 4.2 V
> 3.2 V
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