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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 +9 dBm/tone se-

parated 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.

Board Layout (FR4, 40x40 mm

Schematic

APPLICATION CIRCUIT

Frequency (MHz)

50

500

860

Noise Figure (dB)

2.5

2.8

3.1

Magnitude S21 (dB)

15

14.9

14.3

Magnitude S11 (dB)

-15

-15

-12

Magnitude S22 (dB)

-12

-18

-14

Output P1dB (dBm)

26

26

26

Output IP3

44

44

44

Output IP2

79

74

75

CSO

76

CTB

73

Device Voltage (V)

8

Current (mA)

240

CATV Push-Pull

2 : 1 transformer

50 ~ 1000 MHz

+8 V

Note: MABA-007681 2:1 impedance transformers

are used.

S-parameters

0

100

200

300

400

500

600

700

800

900

1000

0

5

10

15

20

25

Frequency (MHz)

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

L2=220 nH

C3=68 pF

2 : 1

transformer

Vs=8 V

C4=1 uF

C5=1 nF

L4=270 nH

C1=1 nF

L1=270 nH

C2=100 pF

L3=68 nH

R1=150

W

RF OUT

C7=68 pF

L5=220 nH

C6=100 pF

C8=1 uF

Vs=8 V

L6=68 nH

R2=150

W

2 : 1

transformer

ASL552