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ASB Inc. · sales@asb.co.kr · Tel: +82-42-528-7223

May 2012

ASL52D6

High Gain, Low Noise Amplifier

RF IN

RF OUT

C1=100 pF

C3=100 pF

C5=100 pF

C6=1 mF

L2=33 nH

Vs=5 V

L3=8.2 nH

L1=100 nH

C1=100 pF

L2=6.8 nH

C7=100 pF

R1=820 W

0

250

500

750

1000

0

5

10

15

20

25

Frequency (MHz)

0

250

500

750

1000

-30

-25

-20

-15

-10

-5

0

Frequency (MHz)

0

250

500

750

1000

-25

-20

-15

-10

-5

0

Frequency (MHz)

0

500

1000

1500

2000

2500

3000

0

1

2

3

4

5

6

7

8

9

10

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

TETRA

360 ~ 450

+5 V

Parameter

Symbol

Unit

Frequency (MHz)

360

450

Power Gain

dB

21.3

21.1

Noise Figure

NF

dB

0.9

0.9

Input Return Loss

dB

-18

-18

Output Return Loss

dB

-18

-18

1 dB Gain Compression

Output Power

dBm

19

19

3

Output Power

1)

OIP3

dBm

32

32

Circuit Current

mA

50

50

Board Layout (FR4, 25x25 mm