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參數(shù)資料
| 型號(hào)： | RF2189PCBA |
| 廠商： | RF Micro Devices, Inc. |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | 3V, 2.5GHZ LINEAR POWER AMPLIFIER |
| 中文描述： | 3V的，2.5GHz的線性功率放大器 |
| 文件頁數(shù)： | 3/6頁 |
| 文件大小： | 102K |
| 代理商： | RF2189PCBA |
Preliminary
2-251
RF2189
Rev A4 010424
2
P
Pin
1
Function
GND
Description
Ground connection. Keep traces physically short and connect immedi-
ately to ground plane for best performance.
Same as pin 1.
Interface Schematic
2
3
4
5
6
GND
GND
NC
NC
RF IN
Same as pin 1.
Not connected.
Not connected.
RF input. This input is DC coupled, so an external blocking capacitor is
required if this pin is connected to a DC path.
Not connected.
See pin 1.
7
8
NC
PC
Power control pin. For maximum power this pin should be 3.3V. A
higher voltage is not recommended. For less output power and reduced
idle current this voltage may be reduced.
9
GND
Ground connection. Keep traces physically short and connect immedi-
ately to ground plane for best performance.
Not internally connected.
10
11
NC
RF OUT
RF output and bias for the output stage. The power supply for the out-
put transistor needs to be supplied to this pin. This can be done
through a quarter-wave length microstrip line that is RF grounded at the
other end, or through an RF inductor that supports the required DC cur-
rents.
12
13
14
RF OUT
NC
VCC1
Same as pin 11.
See pin 11.
Not connected.
Power supply pin for the bias circuits. External low frequency bypass
capacitors should be connected if no other low frequency decoupling is
nearby.
Bias supply pin for the first stage. A small tuning capacitor is required to
set the desired frequency response. External low frequency bypass
capacitors should be connected as shown in the application schematic
if no other low frequency decoupling is nearby.
See pin 5.
15
VCC2
16
Pkg
Base
VCC2
GND
Connected internally to pin 15.
See pin 15.
Ground connection. The backside of the package should be connected
to the ground plane through a short path, i.e., vias under the device
may be required.
See pin 1 and 6.
PC
500
VCC1
To RF
Stages
RF OUT
RF IN
BIAS
VCC2
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