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ASB Inc.

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

September 2012

ASL550

Wideband Linear Amplifier MMIC

.

1) OIP3 is measured with two tones at an output power of +9 dBm/tone separated by

6 MHz.

2) 116 total channels, flat input; 77 analog channels (55 MHz to 550MHz) @ +20 dBmV

per channel; 39 digital channels (550 MHz to 750 MHz) @ 6 dB below analog channels,

measured at 335.25 MHz.

0

100

200

300

400

500

600

55

60

65

70

75

80

Frequency (MHz)

Board Layout (FR4, 40x40 mm

Schematic

APPLICATION CIRCUIT

Frequency (MHz)

50

500

860

Noise Figure (dB)

1.9

1.9

2.2

Magnitude S21 (dB)

15.9

16.6

16.9

Magnitude S11 (dB)

-15

-11

-12

Magnitude S22 (dB)

-10

-13

-20

Output P1dB (dBm)

23.5

25

24.5

Output IP3

40

42

40

CSO

74

CTB

75

Device Voltage (V)

8

Current (mA)

120

0

100

200

300

400

500

600

60

65

70

75

80

85

Frequency (MHz)

CSO & CTB

S-parameters

Positive Gain Slope

CATV

50 ~ 1000 MHz

+8 V

* Note: Gain slope can be adjusted

by L4 and R1 values at the

expense of S11 & S22.

C2=100 nF

C4=4.7 nF

Vcc=8 V

RF IN

RF OUT

C5=68 pF

C6=1

mF

ASL550

C1=100 pF

C3=0.3 pF

+

L3=220 nH

(Coil Inductor)

L2=5.6 nH

L1=270 nH

(Coil Inductor)

L4=47 nH

R1=120

W

0

100

200

300

400

500

600

700

800

900 1000 1100

-30

-25

-20

-15

-10

-5

0

5

10

15

20

25

S21

S12

S22

S11

Frequency [MHz]