6/6

ASB Inc.

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

March 2012

ASL331

Wideband Linear Push-pull Amplifier MMIC

.

1) OIP3 and OIP2 are measured with two tones at an output power of +10 dBm/tone

separated by 1 MHz.

2) OIP2 is measured at F1+F2 Frequency.

Board Layout (FR4, 40x40 mm

Schematic

APPLICATION CIRCUIT

Frequency (MHz)

5

50

200

Noise Figure (dB)

2.0

1.4

1.4

Magnitude S21 (dB)

21

20.9

20.6

Magnitude S11 (dB)

-22

-22

-22

Magnitude S22 (dB)

-22

-22

-22

Output P1dB (dBm)

24.5

25

24.5

Output IP3

37

38.5

43

Output IP2

60

70

60

Device Voltage (V)

5

Current (mA)

220

Note: MABA-007159 1:1 impedance transformers

are used.

S-parameters

CATV Push-Pull

1 : 1 transformer

5 ~ 300 MHz / LPF

+5 V

RF IN

Vs=5 V

C6=10 uF

RF OUT

C11=10 uF

Vs=5 V

1 : 1

transformer

1 : 1

transformer

R1=560

W

R2=560

W

C1=10 nF

C2=10 nF

C3=10 nF

C7=10 nF

C8=10 nF

C9=10 nF

C5=5 pF

ASL331

C4=15 pF

C10=15 pF

L2=27 nH L3=12 nH

L5=27 nH

L6=12 nH

L1=22 uH

(LQH31MN220J03)

L4=22 uH

(LQH31MN220J03)

0

200

400

600

800

1000

1200

1400

1600

1800

2000

-50

-40

-30

-20

-10

0

10

20

30

40

50

Frequency (MHz)

0

200

400

600

800

1000

1200

1400

1600

1800

2000

-50

-40

-30

-20

-10

0

10

20

30

40

50

Frequency (MHz)

0

200

400

600

800

1000

1200

1400

1600

1800

2000

-50

-40

-30

-20

-10

0

10

20

30

40

50

Frequency (MHz)