ASX521 Datasheet, PDF (10/12 Pages) Advanced Semiconductor Business Inc. – 250-3000 MHz MMIC Amplifier

APPLICATION CIRCUIT
WiBro
2300 ~ 2400 MHz
+5 V
Schematic
Vcc=5 V
D1=5.6V
Zener Diode
C8=1 mF
*C4 shall be placed as close as
possible to the pin.
C7=100pF
L2=27 nH _{C4=1.5 pF}
(Coil Inductor)
RF IN
ASX521
R1=5 W
C1=1.5 pF
C6=1 mF
C5=100pF
L1=27 nH
(Coil Inductor)
C2=56 pF _{RF OUT}
C3=1.8 pF
ASX521
250-3000 MHz MMIC Amplifier
Frequency (MHz)
Magnitude S21 (dB)
Magnitude S11 (dB)
Magnitude S22 (dB)
Output P1dB (dBm)
Output IP3¹⁾ (dBm)
Noise Figure (dB)
Device Voltage (V)
Current (mA)
2300~2400
18
-17
-11
31
46.5
6.5
5
870
1) OIP3 is measured with two tones at an output power of +15
dBm/tone separated by 1 MHz.
Board Layout (FR4, 40x40 mm², 0.8T)
S-parameters & K-factor
25
0
20
-5
15
-10
10
-15
5
-20
0
1800
2000
2200
2400
2600
2800
3000
Frequency (MHz)
10
-25
1800
2000
2200
2400
2600
2800
3000
Frequency (MHz)
5
5
4
0
3
-5
2
-10
1
-15
1800
2000
2200
2400
2600
2800
3000
Frequency (MHz)
0
0
500
1000 1500 2000 2500 3000 3500
Frequency (MHz)
10/12
ASB Inc. · [e-mail] · Tel: [phone]
February 2010