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ASB Inc.

 sales@asb.co.kr  Tel: +82-42-528-7225

February 2017

ASL425

200 ~ 4000 MHz MMIC Amplifier

1) OIP3 is measured with two tones at an output power of +8 dBm/tone sepa-

rated by 1 MHz.

Schematic

S-parameters & K-factor

APPLICATION CIRCUIT

TETRA

420 ~ 460 MHz

+5 V

Frequency (MHz)

420

440

460

Magnitude S21 (dB)

43.0

42.0

41.0

Magnitude S11 (dB)

-9.0

-9.0

-8.5

Magnitude S22 (dB)

-5

-5

-5

Output P1dB (dBm)

29.5

30.0

29.5

44.0

45.0

44 .5

Noise Figure (dB)

0.9

0.8

0.8

Device Voltage (V)

+5

+5

+5

Current (mA)

350

350

350

C1=100 pF

Vcc=5 V

RF IN

RF OUT

C7=100 pF

ASL425

D1=5.6V Zener

Diode

L1=120 nH

(Coil Inductor)

C2=100 pF

C4=18 pF

L5=68 nH

C6=10 pF

C8=1

F

C9=100 pF

C10=1

F

L2=39 nH

C3=12 pF

4 mm

L4=12 nH

L3=6.8 nH

R1=6.2 k



R2=8.2



C5=10 pF

0

100

200

300

400

500

600

0

10

20

30

40

50

Frequency (MHz)

0

100

200

300

400

500

600

-20

-15

-10

-5

0

Frequency (MHz)

0

100

200

300

400

500

600

-15

-10

-5

0

5

10

Frequency (MHz)

0

500

1000

1500

2000

2500

3000

3500

0

1

2

3

4

5

Frequency (MHz)