http://www.prewell.com

2

Low Noise Amplifier for GPS

PLG01

Products and product information are subject to change without notice. Version 0.3

RF IN

RF OUT

3. 3 pF

33pF

68nH

Vdd

3. 9 nH

6. 8 nH

10nF

1 uF

10 uF(Tantal)

1000

1050

1100

1150

1200

1250

1300

1350

1400

1450

0.0

0.5

1.0

1.5

2.0

2.5

3.0

25℃

Frequency (MHz)

NF vs. Frequency

1000

1050

1100

1150

1200

1250

1300

1350

1400

1450

-35

-30

-25

-20

-15

-10

-5

0

25℃

-40℃

85℃

Frequency (MHz)

Output Reurn Loss

1000

1050

1100

1150

1200

1250

1300

1350

1400

1450

-35

-30

-25

-20

-15

-10

-5

0

25℃

-40℃

80℃

Frequency (MHz)

Input Reurn Loss

1100

1150

1200

1250

1300

1350

0

5

10

15

20

25℃

-40℃

85℃

Frequency (MHz)

P1dB Vs. Frequency

P1dB vs. Frequency

NF vs. Frequency

1000

1050

1100

1150

1200

1250

1300

1350

1400

1450

10

15

20

25

30

35

40

25℃

-40℃

85℃

Frequency (MHz)

Gain Vs. Frequency

Parameters

Units

Frequency(MHz)

1100

1250

1350

S21

dB

33.3

31.9

30.8

S11

dB

-21.8

-25.6

-21.3

S22

dB

-18.2

-23.2

-21.9

P1dB

dBm

14.9

14.2

13.8

OIP3@-10dBm

dBm

15.0

15.2

15.0

NF

dB

1.17

0.97

0.94

Typical RF Performance for 1250MHz Tuned Application Circuit (Vdd=3V)

Output Return Loss

Gain vs. Frequency

Input Return Loss