AST20S datasheet(36/41 Pages) ASB

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ASB Inc.

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

February 2017

AST20S

High Gain, Low Noise Amplifier

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

2) OIP2 is measured with two tones (100MHz, 800MHz) at an output power of +0 dBm/tone, 700MHz.

Parameter

Symbol

Unit

Frequency (MHz)

470

1500

2700

Power Gain

17.3

17.4

16.5

14.8

Noise Figure

1.2

1.1

1.2

1.3

Input Return Loss

RLin

-15

-6

-5

-9

Output Return Loss

RLout

-6

-7

-14

-16

Gain

Compression

Output Power

Po(1dB)

dBm

16.0

16.4

19.0

19.5

3rd Intercept Point

Output Power1)

OIP3

dBm

27.0

28.5

33.0

32.5

2nd Intercept Point

Output Power2)

OIP2

dBm

34.0

Circuit Current

Schematic

S-parameters & Noise Figure

APPLICATION CIRCUIT

ONU, 50



70 ~ 2700 MHz

+5 V

Board Layout (FR4, 24x16 mm2, 0.8T)

freq (70.00MHz to 2.700GHz)

S11

S22

500

1000

1500

2000

2500

3000

3500

-40

-30

-20

-10

S12

S22

S11

S21

Frequency [MHz]

500

1000

1500

2000

2500

3000

3500

Frequency (MHz)

500

1000

1500

2000

2500

3000

0.7

0.8

0.9

1.0

1.1

1.2

1.3

1.4

1.5

1.6

Frequency (MHz)

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