- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄374584 > RF2045PCBA (RF Micro Devices, Inc.) GENERAL PURPOSE AMPLIFIER PDF資料下載
參數(shù)資料
| 型號： | RF2045PCBA |
| 廠商： | RF Micro Devices, Inc. |
| 英文描述： | GENERAL PURPOSE AMPLIFIER |
| 中文描述： | 通用放大器 |
| 文件頁數(shù)： | 3/6頁 |
| 文件大?。?/td> | 67K |
| 代理商： | RF2045PCBA |
Preliminary
4-15
RF2045
Rev A5 010110
4
G
A
Applic ation S chematic
Pin
1
Function
RF IN
Description
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.
Ground connection. Keep traces physically short and connect immedi-
ately to ground plane for best performance.
RF output and bias pin. Biasing is accomplished with an external series
resistor and choke inductor to V
CC
. The resistor is selected to set the
DC current into this pin to a desired level. The resistor value is deter-
mined by the following equation:
V
-------------------------–
=
Interface Schematic
2
GND
3
RF OUT
Care should also be taken in the resistor selection to
ensure that the
current into the part never exceeds 120mA over the planned oper-
ating temperature
. This means that a resistor between the supply and
this pin is always required, even if a supply near 5.0V is available, to
provide DC feedback to prevent thermal runaway. Because DC is
present on this pin, a DC blocking capacitor, suitable for the frequency
of operation, should be used in most applications. The supply side of
the bias network should also be well bypassed.
Same as pin 2.
4
GND
R
V
I
CC
(
)
RF OUT
RF IN
RF OUT
22 pF
R
BIAS
10 nF
22 pF
47 nH
22 pF
RF IN
V
CC
1
3
2
4
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| RF2046 | GENERAL PURPOSE AMPLIFIER |
| RF2046PCBA | GENERAL PURPOSE AMPLIFIER |
| RF2047 | GENERAL PURPOSE AMPLIFIER |
| RF2047PCBA | GENERAL PURPOSE AMPLIFIER |
| RF2048 | GENERAL PURPOSE AMPLIFIER |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| RF2045TR7 | 制造商:RF Micro Devices Inc 功能描述:IC GAIN BLK AMP GEN-PURP 4MICROX |
| RF2046 | 制造商:RFMD 制造商全稱:RF Micro Devices 功能描述:GENERAL PURPOSE AMPLIFIER |
| RF2046_07 | 制造商:RFMD 制造商全稱:RF Micro Devices 功能描述:GENERAL PURPOSE AMPLIFIER |
| RF2046-000 | 功能描述:可復(fù)位保險絲 RoHS:否 制造商:Bourns 電流額定值: 電阻:7.5 Ohms 最大直流電壓: 保持電流:0.1 A 安裝風(fēng)格:SMD/SMT 端接類型:SMD/SMT 跳閘電流:0.6 A 引線間隔: 系列:MF-PSHT 工作溫度范圍:- 40 C to + 125 C |
| RF2046PCBA | 制造商:RFMD 制造商全稱:RF Micro Devices 功能描述:GENERAL PURPOSE AMPLIFIER |
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。