AST20S datasheet(8/41 Pages) ASB

tên linh kiện	AST20S

Giải thích chi tiết về linh kiện	High Gain, Low Noise Amplifier

PDF	41 Pages

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nhà sản xuất	ASB [Advanced Semiconductor Business Inc.]

Trang chủ	http://www.asb.co.kr

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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.

Schematic

S-parameters & K-factor

APPLICATION CIRCUIT

PCS

S11 < -18 dB

1755 ~ 2140 MHz

+5 V

Board Layout (FR4, 23x13 mm2, 0.8T)

Note: 1) The length of the strip line P1 is given as below at

the PCB with Er = 4.5 and T = 0.8 mm.

P1 Length: 2.2 mm, Width: 0.3 mm

2) Gain and S11 are in trade-off and varied with the length of P1

Bottom

Top

Parameter

Symbol

Unit

Frequency (MHz)

1755

2140

Power Gain

12.5

11.0

Noise Figure

0.7

0.8

Input Return Loss

RLin

-20

-18

Output Return Loss

RLout

-15

-14

1 dB Gain Compression

Output Power

Po(1dB)

dBm

17.0

17.5

3rd Intercept Point

Output Power1)

OIP3

dBm

Circuit Current

1600

1700

1800

1900

2000

2100

2200

Frequency (MHz)

1600

1700

1800

1900

2000

2100

2200

-30

-25

-20

-15

-10

-5

Frequency (MHz)

1600

1700

1800

1900

2000

2100

2200

-20

-15

-10

-5

Frequency (MHz)

500

1000

1500

2000

2500

3000

3500

Frequency (MHz)

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