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參數(shù)資料
| 型號： | LP3939 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | Power Amplifier Driver For Dual Band CDMA Handsets |
| 中文描述： | 功率放大器驅(qū)動器雙頻段CDMA手機 |
| 文件頁數(shù)： | 6/7頁 |
| 文件大?。?/td> | 116K |
| 代理商： | LP3939 |
Truth Tables
(Continued)
TABLE 2. PA Gain Mode
INPUTS
EN_CELL
OUTPUTS
GAIN_MODE
0
0
1
0
1
X
EN_PCS
0
0
0
1
1
1
CELL_GAIN
0
1
0
0
0
PCS_GAIN
0
0
0
1
0
0
1
1
0
0
1
Not Valid
Note:
Measured with a 10 k
pull down resistor on CELL_GAIN and PCS_GAIN.
TABLE 3. Current Sink Control
INPUTS
INV_A1
0
1
INV_A2
0
1
OUTPUTS
INV_Y1
1
0
INV_Y2
1
0
A1_SINK
0
1
Note:
Measured with a 10 k
pull up resistor on A1_SINK.
L
www.national.com
6
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| LP3939ILQ | Power Amplifier Driver For Dual Band CDMA Handsets |
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相關(guān)代理商/技術(shù)參數(shù) |
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| LP3939-ES1 | 制造商:Texas Instruments 功能描述:TELECOM, CELLULAR, RF AND BASEBAND CIRCUIT, PQCC16 |
| LP3939ILQ | 制造商:Texas Instruments 功能描述:TELECOM, CELLULAR, RF AND BASEBAND CIRCUIT, PQCC16 |
| LP3939ILQX | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Power Amplifier Driver For Dual Band CDMA Handsets |
| LP3941 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:Cellular Phone Power Management Unit |
| LP3941A | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Cellular Phone Power Management Unit |
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