RF5176 Datasheet, PDF (4/6 Pages) RF Micro Devices – 3V W-CDMA POWER 1900MHZ/ 3V LINEAR POWER AMPLIFIER

RF5176
Preliminary
Application Schematic
100 nF
RF IN
1.5 nH
2
15 pF
5.6 pF
VREG
VCC BIAS
R6
360 kΩ
R8
240 kΩ
R5
240 kΩ
R7
240 kΩ
100 nF
15 pF
15 nH
20 19 18 17 16
1
15
2
14
3
13
4
12
5
11
6 7 8 9 10
W = 0.028"
L = 0.060" ^{10 nH}
12 pF
10 nF
V_CC
1 µF
4.7 µF
V_CC = 3.4 V
V_REG = 2.5 V
V_CC BIAS = 3.4 V
E_R = 4.7 H = 14 mils
W = 0.028"
L = 0.060"
3.6 pF
W = 0.028"
L = 0.120"
3 pF
15 pF
16 nH
15 pF
10 nF
1 µF
RF OUT
Alternative Biasing Networks for Various V_REG Voltages
V_REG (V)
R5 (1ST) kΩ R6 (1ST-GND) kΩ
2.50
240
360
2.60
240
330
2.70
240
300
2.80
240
270
2.90
220
240
R7 (2ND-GND) kΩ
240
360
200
220
180
R8 (2ND) kΩ
240
380
230
270
240
2-200
Rev A0 010910