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ASB Inc.

 sales@asb.co.kr  Tel: +82-42-528-7225

July 2017

ASL551

Wideband Linear Push-pull Amplifier MMIC

0

200

400

600

800

1000

-30

-25

-20

-15

-10

-5

0

Frequency (MHz)

0

200

400

600

800

1000

-30

-25

-20

-15

-10

-5

0

Frequency (MHz)

0

200

400

600

800

1000

0

5

10

15

20

25

30

Frequency (MHz)

C1=1 F

L2=1 H

L5=1 H

C4=1 F

C3=1 F

C5=10 F

C6=1 F

C9=1 F

C8=1 F

C10=10 F

R1=430

R2=430

L1=1.8 nH

L4=1.8 nH

L3=3.3 nH

L6=3.3 nH

C2=1.5 pF

C7=1.5 pF

C11=1.8 pF

1

1

1 : 1

Transformer

ASL551

Vs = 8 V

Vs = 8 V

RF IN

RF OUT

(LQH31CN1R0M03)

(LQH31CN1R0M03)

Transformer

1 : 1

.

1) OIP3 is measured with two tones at an output power of +12 dBm/tone separated by

6 MHz.

2) OIP2 is measured with two tones at an output power of +14 dBm/tone at

F1(400 MHz)+F2(450MHz).

3) Pout = 105 dBuV for 84 channels.

Schematic

APPLICATION CIRCUIT

Frequency (MHz)

50

500

860

Noise Figure (dB)

1.8

1.9

2.0

Magnitude S21 (dB)

19.5

19.2

18.9

Magnitude S11 (dB)

-18

-18

-16

Magnitude S22 (dB)

-18

-18

-16

Output P1dB (dBm)

28

28

27

43.5

44.5

42.5

71

62

63

Device Voltage (V)

+8

Current (mA)

250

Note: MABA-007159 1:1 impedance transformers

are used.

S-parameters

CATV Push-Pull

1 : 1 transformer

50 ~ 860 MHz

+8 V