alm-32220 Avago Technologies, alm-32220 Datasheet - Page 5

• Manufacturer Part Number: alm-32220
• Description: 2 Watt High Linearity Amplifer
• Manufacturer: Avago Technologies

Note:
To supply Vdd1 and Vdd2 individually, remove R4 and supply Vdd1 from
pin 1,2 and Vdd2 from pin 19,20
Figure 6. Demo board application schematics and components table
DC Pin Configuration of 20-pin Connector
Figure 7. Demo board Layout
1. Recommended PCB material is 10 mils Rogers RO4350, with FR4 backing for mechanical strength.
2. Suggested component values may vary according to layout and PCB material.
5
To B
50-Ohms TL
Module
R3
20 19 18 17 16 15 14 13 12 11
1 2 3 4 5 6 7 8 9 10
Pins pointing out of the page
B
Vdd 1 – Pin 1, 2
Vsense1 – Pin 3
Vdd 2 – Pin 19, 20 (optional)
Vsense2 – Pin 18 (optional)
Vctrl – Pin 8
Other pins are grounded
C7
C3
match
Input
Unit is on top
13
Bias
8
C6
C2
18
3
R2
R1
1,2
Output
match
C9
C5
A
R4
C8
C4
50-Ohms TL
C10
C1
To A
RF
input
Z2
Z1
Circuit Symbol Size
C1, C10
C2, C4, C9
C3, C5, C8
C6, C7
R1, R2
R3
R4
Z1, Z2
10
0805
0402
0402
0402
1206
0402
0805
0805
Value
2.2uF
0.1uF
10nF
Not Used
0 Ohm
Not Used
0 Ohm
Optional
1
Description
Ceramic Chip Capacitor
Ceramic Chip Capacitor
Ceramic Chip Capacitor
N/A
Chip Resistor
N/A
Chip Resistor
Zener Diode 5.6V
(Optional)
20 pin Connector
RF
output