ASX520 Datasheet, PDF (8/9 Pages) Advanced Semiconductor Business Inc. – 250-3000 MHz MMIC Amplifier

APPLICATION CIRCUIT
RFID(USA)
902 ~ 928 MHz
+5 V
ASX520
250-3000 MHz MMIC Amplifier
Country
EU ²⁾
Frequency (MHz) 865.6~867.6
Magnitude S21 (dB)
31
Magnitude S11 (dB)
-15
Magnitude S22 (dB)
-10
Output P1dB (dBm)
32
Output IP3¹⁾ (dBm)
47
Noise Figure (dB)
7.4
Device Voltage (V)
5
Current (mA)
650
USA
902~928
30
-15
-8
33
48
6.9
5
650
Korea ²⁾
910~914
31
-15
-9
33
48
6.8
5
650
Japan ²⁾
950~956
29
-14
-7.5
33
48
6.9
5
650
1) OIP3 is measured with two tones at an output power of +15 dBm/tone separated by 1 MHz.
2) Test Results are measured by CDMA Tx(EU), GSM Rx(Korea), GSM Tx(Japan) Application circuits.
Schematic
Vcc=5 V
D1=5.6V
Zener Diode
R1=3 W
C8=1 mF
C10=1 mF
RF IN
C6=5.6 pF
C9=100pF _{C5=100 pF}
L2=100 nH
L3=2.7 nH
3 mm
ASX520
C1=68 pF
C2=1.5 pF
C7=100pF
L1=82 nH
(Coil Inductor)
C3=68 pF _{RF OUT}
5 mm
C4=7.5 pF
Board Layout (FR4, 40x40 mm², 0.8T)
S-parameters & K-factor
40
0
35
-5
30
-10
25
-15
20
-20
15
600
700
800
900
1000
1100
1200
Frequency (MHz)
5
-25
600
700
800
900
1000
1100
1200
Frequency (MHz)
5
4
0
3
-5
2
-10
1
-15
600
700
800
900
1000
1100
1200
Frequency (MHz)
0
0
500
1000 1500 2000 2500 3000 3500
Frequency (MHz)
8/9
ASB Inc. · [e-mail] · Tel: [phone]
February 2010