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ASB Inc.

· sales@asb.co.kr · Tel: +82-42-528-7220

June 2012

ASL551

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.

0

50

100

150

200

-30

-25

-20

-15

-10

-5

0

Frequency (MHz)

0

50

100

150

200

-30

-25

-20

-15

-10

-5

0

Frequency (MHz)

0

50

100

150

200

0

5

10

15

20

25

Frequency (MHz)

RF IN

Vs=8 V

C4=10 uF

C5=10 nF

ASL551

C1=10 nF

C2=10 nF

RF OUT

C6=10 nF

C8=10 uF

Vs=8 V

L1=22 uH

(LQH31MN220J03)

L2=22 uH

(LQH31MN220J03)

1 : 1

transformer

1 : 1

transformer

R1=560

W

R2=560

W

C3=10 nF

C7=10 nF

Board Layout (FR4, 40x40 mm

Schematic

APPLICATION CIRCUIT

Frequency (MHz)

5

50

200

Noise Figure (dB)

1.9

1.4

1.8

Magnitude S21 (dB)

20.5

20.5

20.5

Magnitude S11 (dB)

-20

-20

-18

Magnitude S22 (dB)

-20

-20

-18

Output P1dB (dBm)

26

26

26

Output IP3

39

40

42

Output IP2

62

70

72

Device Voltage (V)

8

Current (mA)

250

Note: MABA-007159 1:1 impedance transformers

are used.

CATV Push-Pull

1 : 1 transformer

5 ~ 200 MHz

+8 V

S-parameters