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ASB Inc.

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

April 2017

AST54S

High Gain, Low Noise Amplifier

Anode

http://www.asb.co.kr

EB-363-D3

Cathode

GND

ASB Inc.

GND

+Vdevice

Photodiode

+Vdiode

Anode

http://www.asb.co.kr

EB-363-D3

Cathode

GND

ASB Inc.

GND

+Vdevice

Photodiode

+Vdiode

1) OIP3 is measured with two tones at an output power of -12 dBm/tone separated by 1MHz.

2) OIP3 is measured with two tones at an output power of -16 dBm/tone separated by 1MHz.

3) OIP3 is measured with two tones at an output power of -18 dBm/tone separated by 1MHz.

4) OIP3 is measured with two tones at an output power of -20 dBm/tone separated by 1MHz.

Parameter

Symbol

Unit

Frequency (MHz)

50

200

950

2150

2500

Power Gain

dB

18.9

17.1

15.3

14.9

17.5

Output Return Loss

dB

-10

-4

-6

-5

-9

EIN

EIN

pA/rtHz

8.2

6.0

5.8

5.1

8.5

OIP3

dBm

Circuit Current

mA

30

Schematic

S-parameters

APPLICATION CIRCUIT

Trans-impedance Amplifier

50



50 ~ 2500 MHz

+5 V

AST54S

RF OUT

R6=0



R7=0



R8=200



R9=200



C7=1

F

L1=180 nH

L2=120 nH

R2=5.1 k



R1=750



R4=62



C6=10 nF

C1=1 nF

C2=1 nF

C3=1 nF

R5=8.2



R3=560



L5=5.6 nH

C4=0.5 pF

C8=10

F

L3

(BLM15HD182SN)

L4

(BLM15HD182SN)

C5=1 nF

(Coil Inductor)

(Coil Inductor)

0

500

1000

1500

2000

2500

3000

0

5

10

15

20

25

30

Frequency (MHz)

0

500

1000

1500

2000

2500

3000

-20

-15

-10

-5

0

Frequency (MHz)