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ASB Inc.

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

February 2017

ASX501

250 ~ 2500 MHz MMIC Amplifier

1) OIP3 is measured with two tones at an output power of +14 dBm/tone sepa-

rated by 1 MHz.

Schematic

S-parameters & K-factor

APPLICATION CIRCUIT

Frequency (MHz)

908

915

923

Magnitude S21 (dB)

17.1

17.0

16.9

Magnitude S11 (dB)

-30

-30

-30

Magnitude S22 (dB)

-25

-25

-25

Output P1dB (dBm)

35.5

35.5

35.5

48.0

48.5

49.0

Noise Figure (dB)

5.0

4.9

4.9

Device Voltage (V)

+5

+5

+5

Current (mA)

1120

1120

1120

P1dB of about 36 dBm solution

RFID (908 ~ 923 MHz)

+5 V

*Coupler: Anaren, XC0900A-03S

C2=100 pF

Vcc=5 V

C5=100pF

C6=1

F

ASX501

D1=5.6V

Zener Diode

C3=10 pF

C4=7.5 pF

L1=100 nH

(Coil Inductor)

L2=2.7 nH

RF OUT

RF IN

*Coupler

R1=51



*Coupler

R2=51



Vcc=5 V

C11=100pF

ASX501

D2=5.6V

Zener Diode

C9=10 pF

C10=7.5 pF

L3=100 nH

(Coil Inductor)

L4=2.7 nH

C8=100 pF

C12=1

F

C1=100 pF

C7=100 pF

7 mm

7 mm

700

750

800

850

900

950

1000

1050

1100

0

5

10

15

20

25

Frequency (MHz)

700

750

800

850

900

950

1000

1050

1100

-50

-40

-30

-20

-10

0

Frequency (MHz)

700

750

800

850

900

950

1000

1050

1100

-50

-40

-30

-20

-10

0

Frequency (MHz)

0

500

1000

1500

2000

2500

3000

3500

0

1

2

3

4

5

Frequency (MHz)