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