alm-1322 Avago Technologies, alm-1322 Datasheet - Page 5

• Manufacturer Part Number: alm-1322
• Description: 1.8-2.2ghz Very Low Noise High Gain Balanced Amplifier Module
• Manufacturer: Avago Technologies

Figure 7. Suggested Balanced Amplifier Demo Board Layout
Recommended PCB material is 10 mils Rogers RO4350.
Suggested component values may vary according to
layout and PCB material.
Balanced Demo Board Schematic
RF Input
Figure 8. Application Schematic for Balanced Amplifier
5
Balanced Amplifier Demo Board Layout
R3
Circuit
Circuit
Symbol
Symbol
C1, C10
C1, C10
C2, C7
C2, C7
C3, C6
C3, C6
C4, C9
C4, C9
C5, C8
C5, C8
R1, R4
R1, R4
R2, R3
R2, R3
Coupler
Coupler
Coupler
14.22x5.08
14.22x5.08
0805
0805
0402
0402
0402
0402
0402
0402
0402
0402
0402
0402
0402
0402
mm
mm
Size
Size
2
2
50 - Ohms TL
50 - Ohms TL
Module outline
XC1900E -03 or equiv
XC1900E -03 or equiv
Anaren
Anaren
2.2uF ceramic
2.2uF ceramic
0.1uF ceramic
0.1uF ceramic
0.1uF ceramic
0.1uF ceramic
Description
Description
49.9 ohms
49.9 ohms
Not used
Not used
Not used
Not used
Not used
Not used
Xinger
Xinger
1,22
3,4
II
II
6
2
5
7
C6
C3
RF Input
match
match
Input
Input
21
8
Interstage
Interstage
match
match
20
Bias
Bias
9
10
19
C8
C5
Output
Output
match
match
C10
C1
11
17,18
16
14,15
12
13
Ground
50 - Ohms TL
50 - Ohms TL
20 -pin Connector
Coupler
RF Output
R2
RF Output