Small Signal Microwave Amplifier Design: Solutions

Chapter 9: Solutions

9.1

12 GHz

0.70 dB

0.43

165.2

2 ?

10dB


9.2


Source stability circle:


Constant Gain circle:



9.3


Constant Gain circle:



9.4


Stability circles:


Lowest noise figure is at ? opt.


This is in the stable region of the load.

9.5

Amplifier 1

Mixer

Filter 1

Amplifier 2

Gain

10

0.25

0.40

1585

Noise Factor

1.41

6.31

2.51

2.51


Amplifier 1

Mixer

Filter 1

Amplifier 2

Gain

100

0.25

0.40

1585

Noise Factor

1.41

6.31

2.51

2.51


9.6


9.7

Amplifier 1

Mixer

Filter 1

Amplifier 2

Gain

31.62

0.25

0.40

1585

IP3

100

10

1e100

1000


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