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ASB Inc.

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

June 2011

ASL552

Wideband Linear Push-pull Amplifier MMIC

.

1) OIP3 and OIP2 are measured with two tones at an output power of +14 dBm/tone

separated by 6 MHz.

2) OIP2 is measured at F1+F2 Frequency.

Board Layout (FR4, 40x40 mm

Schematic

Frequency (MHz)

50

500

860

Noise Figure (dB)

4.0

3.5

3.6

Magnitude S21 (dB)

11.4

11.2

11

Magnitude S11 (dB)

-18

-15

-18

Magnitude S22 (dB)

-20

-16

-15

Output P1dB (dBm)

26

26

26

Output IP3

44

49

48

Output IP2

68

73

67

CSO (dBc)

-

CTB (dBc)

-

Device Voltage (V)

8

Current (mA)

370

Note: MABA-007159 1:1 impedance transformers

are used.

S-parameters

CATV Push-Pull

1 : 1 transformer

High Linearity

50 ~ 1000 MHz

+8 V

APPLICATION CIRCUIT

0

100

200

300

400

500

600

700

800

900

1000

0

5

10

15

20

Frequency (MHz)

-40

25

85

0

100

200

300

400

500

600

700

800

900

1000

-30

-25

-20

-15

-10

-5

0

Frequency (MHz)

-40

25

85

0

100

200

300

400

500

600

700

800

900

1000

-25

-20

-15

-10

-5

0

Frequency (MHz)

-40

25

85

RF IN

Vs=8 V

C5=10 uF

C6=560 pF

C1=560 pF

C2=310 pF

RF OUT

C7=310 pF

C10=10 uF

Vs=8 V

1 : 1

transformer

1 : 1

transformer

R2=300

W

R4=300

W

C4=1 uF

C9=1 uF

C8=1.5 pF

C3=1.5 pF

R1=30 k

W

R3=30 k

W

ASL552

L1=1 uH

(LQH31CN1R0M03)

L2=1 uH

(LQH31CN1R0M03)