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LP3939 Datasheet, PDF (6/7 Pages) National Semiconductor (TI) – Power Amplifier Driver For Dual Band CDMA Handsets
Truth Tables (Continued)
TABLE 2. PA Gain Mode
INPUTS
GAIN_MODE
EN_CELL
EN_PCS
0
0
0
0
1
0
1
1
0
0
0
1
1
0
1
X
1
1
Note: Measured with a 10 kΩ pull down resistor on CELL_GAIN and PCS_GAIN.
OUTPUTS
CELL_GAIN
PCS_GAIN
0
0
1
0
0
0
0
1
0
0
Not Valid
TABLE 3. Current Sink Control
INPUTS
INV_A1
0
1
INV_A2
0
1
Note: Measured with a 10 kΩ pull up resistor on A1_SINK.
INV_Y1
1
0
INV_Y2
1
0
OUTPUTS
A1_SINK
0
1
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