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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 +6 dBm/tone sepa-

rated by 6 MHz.

2) OIP2 is measured at F1+F2 Frequency.

3) 160 channels, +20 dBmV per channel (measured at output).

Board Layout (FR4, 40x40 mm

Schematic

APPLICATION CIRCUIT

Frequency (MHz)

50

500

860

Noise Figure (dB)

2.1

2.1

2.2

Magnitude S21 (dB)

15.8

15.7

15.6

Magnitude S11 (dB)

-13

-16

-12

Magnitude S22 (dB)

-11

-15

-16

Output P1dB (dBm)

20

21

19.5

Output IP3

37

39

35

Output IP2

50

48

54

CSO

66

CTB

76

Device Voltage (V)

5

Current (mA)

92

Gain Flatness (0.2 dB)

CATV

50 ~ 1000 MHz

+5 V

* Note: Gain slope can be adjusted

in case of other supply

voltages than 8V and the

value is chosen considering

the current and OIP3

C1=100 nF

C2=4.7 nF

Vs=5 V

RF IN

RF OUT

C4=10

mF

ASL550

C3=0.3 pF

+

L2=8.2 nH

(Coil Inductor)

L1=300 nH

(Coil Inductor)

L4=68 nH

R1=240

W

B

R =30 k

W

L3=1 uH

(LQH31CN1R0M03)

S-parameters

0

100

200

300

400

500

600

700

800

900

1000

0

5

10

15

20

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

-25

-20

-15

-10

-5

0

Frequency (MHz)