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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.

3) 60 channels, +42 dBmV per channel (measured at output), measured at 543.25MHz.

0

100

200

300

400

500

600

700

800

900

1000

0

5

10

15

20

Frequency (MHz)

Board Layout (FR4, 40x40 mm

Schematic

APPLICATION CIRCUIT

Frequency (MHz)

50

500

860

Noise Figure (dB)

3.6

3.3

3.5

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

43.5

48.5

45

Output IP2

68

70

67

CSO

76

CTB

73

Device Voltage (V)

8

Current (mA)

240

Note: MABA-007159 1:1 impedance transformers

are used.

S-parameters

CATV Push-Pull

1 : 1 transformer

50 ~ 1000 MHz

+8 V

0

100

200

300

400

500

600

700

800

900

1000

-30

-25

-20

-15

-10

-5

0

Frequency (MHz)

0

100

200

300

400

500

600

700

800

900

1000

-30

-25

-20

-15

-10

-5

0

Frequency (MHz)

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

R1=300

W

R2=300

W

C4=1 uF

C9=1 uF

C8=1.5 pF

C3=1.5 pF

ASL552

L1=1 uH

(LQH31CN1R0M03)

L2=1 uH

(LQH31CN1R0M03)