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ASB Inc.

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

September 2012

ASL550

Wideband Linear Amplifier MMIC

.

1) OIP3 and OIP2 are measured with two tones at an output power of +10 dBm/tone sepa-

rated by 6 MHz.

2) OIP2 is measured at F1+F2 Frequency.

Board Layout (FR4, 40x40 mm

Schematic

APPLICATION CIRCUIT

Frequency (MHz)

50

500

860

Noise Figure (dB)

2.0

1.9

2.1

Magnitude S21 (dB)

16.4

16.2

16.2

Magnitude S11 (dB)

-18

-16

-13

Magnitude S22 (dB)

-12

-17

-16

Output P1dB (dBm)

25

24.5

24

Output IP3

44

43

40

Output IP2

61

59

58

CSO (dBc)

-

CTB (dBc)

-

Device Voltage (V)

8

Current (mA)

185

S-parameters

CATV

Gain Flatness (0.2 dB)

High Linearity

50 ~ 1000 MHz

+8 V

* Note: Gain slope can be adjusted

by L4 and R1 values at the

expense of S11 & S22.

C1=100 nF

C2=4.7 nF

Vs=8 V

RF IN

RF OUT

ASL550

C3=0.3 pF

L2=5.6 nH

(Coil Inductor)

L1=390 nH

(Coil Inductor)

L4=68 nH

R1=240

W

C4=10

mF

+

L3=1 uH

(LQH31CN1R0M03)

B

R =30 k

W

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