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參數(shù)資料
| 型號： | RF2310PCBA |
| 廠商： | RF Micro Devices, Inc. |
| 英文描述： | WIDEBAND GENERAL PURPOSE AMPLIFIER |
| 中文描述： | 寬頻帶通用放大器 |
| 文件頁數(shù)： | 3/10頁 |
| 文件大?。?/td> | 189K |
| 代理商： | RF2310PCBA |
4-77
RF2310
Rev C5 010717
4
G
A
Applic ation S chematic
Pin
1
Function
VCC
Description
Power supply pin. An external bypass capacitor is recommended. The
total supply current is shared between this pin and pin 8 (through the
inductor).
Interface Schematic
2
GND
Ground connection. For best performance, keep traces physically short
and connect immediately to ground plane.
To achieve the performance as specified, and to minimize instability, it
is recommended to have a local ground plane under the device, as
shown in the evaluation board layout.
Same as pin 2.
3
4
GND
RF IN
RF input pin. This pin is NOT internally DC-blocked. A DC-blocking
capacitor, suitable for the frequency of operation, should be used in
most applications. DC-coupling of the input is not allowed, because this
will override the internal feedback loop and cause temperature instabil-
ity.
5
6
7
8
GND
GND
GND
RF OUT
Same as pin 2.
Same as pin 2.
Same as pin 2.
RF output and bias pin. Biasing is accomplished with an external choke
inductor to V
CC
that provides high impedance at the operating fre-
quency. Because DC is present on this pin, a DC-blocking capacitor,
suitable for the frequency of operation, should be used in most applica-
tions. The supply side of the bias network should also be well
bypassed.
VCC
RF IN
Bias
RF OUT
1
2
3
4
8
7
6
5
RF IN
V
CC
= 5V
22 pF
22 pF
100 nH
RF OUT
22 pF
100 nF
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