mga-683p8 Avago Technologies, mga-683p8 Datasheet - Page 4

• Manufacturer Part Number: mga-683p8
• Description: Low Noise And High Linearity Active Bias Low Noise Amplii Er
• Manufacturer: Avago Technologies

Demo Board Layout
Figure 5. Demo Board Layout Diagram
– Recommended PCB material is 10 mils Rogers RO4350.
– Suggested component values may vary according to
Table 1. Component list for 900 MHz matching
Notes:
C2 is a blocking capacitor
L2 output match for OIP3
L1, C1 and L3 are used for IRL matching.
C3, C4 and C6 are bypass capacitors
C5 is not use for this product
R2 is stabilizing resistor
Rbias
4
Part
C1
C2
L1
L2
L3
C4
C3, C6
Rbias
R1
R2
Avago
Technologies
layout and PCB material.
Jul 10
is the biasing resistor
L3
C3
C1
C5
Size
0402
0402
0402
0402
0402
0402
0402
0402
0402
0402
R1
L1
Rbias
C6
R2
L2
C2
Value
8.2 pF
100 pF
15 nH
33 nH
18 nH
27 pF
4.7 F
12 KOhm
0 Ohm
9.1 Ohm
C4
Detail Part Number
Murata GRM15
Murata GRM15
Toko LL1005
Toko LL1005
Toko LL1005
Murata GRM15
Murata GRM15
KOA RK73
KOA RK73
KOA RK73
Demo Board Schematic
Figure 6. Demo Board Schematic Diagram
Notes:
 The schematic is shown with the assumption that similar PCB is used
 Detail of the components needed for this product is shown in Table 1.
RFin
for both MGA-683P8 and MGA-68P8.
L3
18nH
C3
C5
NU
4.7uF
L1
15nH
C1
8.2pF
R1
0Ω
[4]
[1]
[2]
[3]
Rbias
12KΩ
L2
33nH
R2
9.1Ω
[7]
[8]
[6]
[5]
Vdd
100pF
C2
C6
4.7uF
C4
27pF
RFout