7/14

ASB Inc.

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

February 2017

ASX423

100 ~ 4500 MHz MMIC Amplifier

1) OIP3 is measured with two tones at an output power of +11 dBm/tone sep-

arated by 1 MHz.

Schematic

S-parameters & K-factor

APPLICATION CIRCUIT

RFID (USA)

902 ~ 928 MHz

+5 V

Frequency (MHz)

902 ~ 928

Magnitude S21 (dB)

32.0

Magnitude S11 (dB)

-16

Magnitude S22 (dB)

-20

Output P1dB (dBm)

29.5

45

Noise Figure (dB)

2.3

Device Voltage (V)

+5

Current (mA)

400

C1=100 pF

Vs=5 V

RF IN

RF OUT

C6=100 pF

ASX423

D1=5.6V

Zener Diode

L2=82 nH

(Coil Inductor)

C2=100 pF

C4=22 pF

L3=33 nH

C5=6 pF

C7=1

F

C8=100pF

C9=1

F

L1=33 nH

C3=3.9 pF

8 mm

L4=3.9 nH

600

700

800

900

1000

1100

1200

-30

-25

-20

-15

-10

-5

0

Frequency (MHz)

0

500

1000

1500

2000

2500

3000

3500

0

1

2

3

4

5

Frequency (MHz)

600

700

800

900

1000

1100

1200

-20

-15

-10

-5

0

Frequency (MHz)

600

700

800

900

1000

1100

1200

0

10

20

30

40

Frequency (MHz)