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ASB Inc.

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

September 2012

ASL550

Wideband Linear Amplifier MMIC

1) OIP3 is measured with two tones at an output power of +8 dBm/tone separated by 1 MHz.

2) OIP3 is measured with two tones at an output power of +3 dBm/tone separated by 1 MHz

Board Layout (FR4, 40x40 mm

Schematic

S-parameters & K-factor

APPLICATION CIRCUIT

Frequency (MHz)

90

900

1800

2600

90

900

1800

2600

Noise Figure (dB)

1.7

2.2

2.5

3.4

1.7

2.1

2.4

3.4

Magnitude S21 (dB)

15.4

15

13.6

13.8

15.2

14.8

13.5

13.7

Magnitude S11 (dB)

-8

-7

-5

-7

-8

-7

-5

-7

Magnitude S22 (dB)

-13

-10

-4

-12

-13

-9

-4

-12

Output P1dB (dBm)

24

24

22.5

19.5

20.5

19

19

16

Output IP3 (dBm)

42

1)

39

1)

41

1)

37

1)

40

2)

38

2)

37

2)

35

2)

Device Voltage (V)

8

5

Current (mA)

120

95

90 ~ 2600 MHz

+8 V / +5 V

* Note: R1=open at 8V,

30 k

W at 5V

RF IN

RF OUT

ASL550

Vcc=8 V or 5 V

C1=100 pF

C3=68 pF

C4=1

mF

C2=100 pF

L2=15 nH

R2=100

W

L1=220 nH

(Coil Inductor)

R1=30 k

W

0

500

1000

1500

2000

2500

3000

0

5

10

15

20

Frequency (MHz)

0

500

1000

1500

2000

2500

3000

-20

-15

-10

-5

0

Frequency (MHz)

0

500

1000

1500

2000

2500

3000

-25

-20

-15

-10

-5

0

Frequency (MHz)

0

500

1000

1500

2000

2500

3000

3500

0

1

2

3

4

5

Frequency (MHz)