MGA-71543-BLK Avago Technologies US Inc., MGA-71543-BLK Datasheet - Page 20

• Manufacturer Part Number: MGA-71543-BLK
• Description: Amplifier IC
• Manufacturer: Avago Technologies US Inc.

Specifications of MGA-71543-BLK

• No. Of Amplifiers: 1
• No. Of Pins: 4
• Noise Figure Typ: 0.8dB
• Gain: 16dB
• Power @ 1db Gain Compression, P1db: 15.5
• Mounting Type: Surface Mount
• Packaging Type: Cut Tape
• Peak Reflow Compatible (260 C): No
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

20
Demonstration Board
Figure 18. Gain, Noise and Stability Circles.
Figure 19. Noise Circles F = 1900 MHz,
Step Size: 0.2 dB.
Figure 22. Schematic Diagram of Evaluation Board Amplifier.
Load unstable
region
Input
RF
Load stable
region
V
d
+3.0V
C1
G = 14.8 dB
G = 15.8 dB
G = 16.8 dB
G = 17.8 dB
C4
L2
R1
C2
L1
G = 18.8 dB
C11
Source unstable
C5
3
1
NF = 1.35 dB
NF = 1.55 dB
NF = 1.15 dB
C6
71
SW1
SW2
NF = 0.95 dB
2
C10
4
R4
R3
R2
Figure 20. Gain Circle F = 1900 MHz,
Step Size: 1.0 dB.
Source stable
C7
L3
Source stability circle
NF = 0.75 dB
C9
C8
Load stability circle
Output
RF
Gain Circles
Noise Circles
Figure 21. Load and Source Stability Circles.