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ASB Inc.

 sales@asb.co.kr  Tel: +82-42-528-7225

April 2017

AST54S

High Gain, Low Noise Amplifier

C1=22 pF

C2=22 pF

RF OUT

AST54S

C4=1 nF

RF IN

L2=12 nH

R1=820



C7=1 uF

VDD

R2=5.1 k



L1=10 nH

R3=43

 @ 40 mA,

27

@ 60 mA

C3=0.75 pF

R4=3.3 k



C5=1 nF

C6=2 pF

2300

2400

2500

2600

2700

2800

2900

3000

0

5

10

15

20

Frequency (MHz)

2300

2400

2500

2600

2700

2800

2900

3000

-30

-25

-20

-15

-10

-5

0

Frequency (MHz)

2300

2400

2500

2600

2700

2800

2900

3000

-25

-20

-15

-10

-5

0

Frequency (MHz)

1) OIP3 is measured with two tones at an output power of +4 dBm/tone separated by 1MHz.

Schematic

S-parameters & K-factor

APPLICATION CIRCUIT

Bottom

Parameter

Symbol

Unit

Frequency

Frequency

2600

2700

2600

2700

Power Gain

dB

13.5

13.2

13.6

13.3

Noise Figure

NF

dB

0.6

0.6

0.6

0.6

Input Return Loss

dB

-18

-18

-18

-18

Output Return Loss

dB

-10

-10

-10

-10

1 dB Gain Compression

Output Power

dBm

19

19

20

20

OIP3

dBm

32

34

34

34

Circuit Current

mA

40

40

60

60

Top

LTE 2600

2600 ~ 2700 MHz

+5 V

0

500

1000

1500

2000

2500

3000

3500

0

1

2

3

4

5

Frequency (MHz)