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参数资料
| 型号： | BBA-322-A |
| 厂商： | Linx Technologies Inc |
| 文件页数： | 4/7页 |
| 文件大小： | 0K |
| 描述： | MODULE RF AMP HI-GAIN BROADBAND |
| 标准包装： | 50 |
| 频率： | 0Hz ~ 3GHz |
| P1dB： | 11.2dBm（13.2mW） |
| 增益： | 20dB |
| 噪音数据： | 3.8dBm |
| RF 型： | 通用 |
| 电源电压： | 4.8 V ~ 5.2 V |
| 电流 - 电源： | 35mA ~ 60mA |
| 测试频率： | 2GHz |
| 封装/外壳： | 模块 |
| 包装： | 管件 |
POWER SUPPLY REQUIREMENTS
TYPICAL APPLICATIONS
The module does not have an internal voltage
regulator; therefore it requires a clean, well-regulated
Vcc TO
MODULE
The schematic in the figure below shows a typical configuration for amplifying the
output of a transmitter.
power source. While it is preferable to power the unit
from a battery, the unit can also be operated from a Vcc IN
power supply as long as noise is less than 20mV.
Power supply noise can significantly affect the
10 Ω
10 μ F
VCC
VCC
1
GND
RF OUT
8
performance; therefore, providing a clean power
GND
7
supply for the module should be a high priority during
design.
Figure 5: Supply Filter
270 Ω
1
PDN
ANT
10
4
GND
RF IN
GND
GND
6
5
A 10 Ω resistor in series with the supply followed by a 10μF tantalum capacitor
from V CC to ground will help in cases where the quality of supply power is poor.
These values may need to be adjusted depending on the noise present on the
supply line.
TX DATA
3
4
VCC
GND
GND
LO V D
/CLK SE
/CLK
9
8
7
6
GND
BBA-51 9 -A
GND
The power supply must be regulated to within the primary range specified or the
GND
TXM-xxx-ES
maximum current limited using an appropriate resistance in series with the
amplifier’s positive supply pin. Failure to observe the supply limits will irreparably
damage the device. The resistor should be selected so that the device current is
limited to or less than the maximum rated current. The resistor value may be
easily selected using the following formula:
Figure 6: Typical Application Circuit
In this circuit, the BBA-519-A amplifies the output of the ES Series transmitter.
The transmitter operates on 3V while the amplifier requires 5V, so a 270 Ω
resistor is used to drop the 5V supply to 3V for the transmitter.
R=
V SUPPLY - V DEVICE TYP.
I CC
This configuration would result in a 6 to 7 times increase in system range. Note
that such output levels may render the transmitter illegal for operation in certain
countries, so it is up to the designer to ensure that the product will comply with
the appropriate regulations.
Example:
BBA-519-A @ 9V Supply
R=
9 -5
60x10 -3
=
9 -5
60x10 -3
=
4
0.06
= 66 Ω
Page 6
Page 7
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