ASX521
250-3000 MHz MMIC Amplifier
Frequency (MHz)
2600~2700
16.5
-15
-15
31.5
48
5.3
5
870
APPLICATION CIRCUIT
WiMAX
2600 ~ 2700 MHz
+5 V
Magnitude S21 (dB)
Magnitude S11 (dB)
Magnitude S22 (dB)
Output P1dB (dBm)
Output IP3
1)
(dBm)
Noise Figure (dB)
Device Voltage (V)
Current (mA)
1) OIP3 is measured with two tones at an output power of +15
dBm/tone separated by 1 MHz.
Schematic
Vcc=5 V
D1=5.6V
Zener Diode
C7=1
mF
C9=1
mF
C6=100pF
C8=100pF
L2=22 nH C5=1 pF
(Coil Inductor)
RF IN
C1=5 pF
C2=1.8 pF
1 mm
ASX521
L1=10 nH
(Coil Inductor)
C3=100 pF
RF OUT
Board Layout (FR4, 40x40 mm , 0.8T)
2
C4=1.5 pF
S-parameters
25
0
20
-5
Gain (dB)
15
-10
10
S11 (dB)
2200
2400
2600
2800
3000
3200
-15
5
-20
0
2000
-25
2000
2200
2400
2600
2800
3000
3200
Frequency (MHz)
0
5
Frequency (MHz)
-5
4
-10
Stability Factor
2200
2400
2600
2800
3000
3200
3
S22 (dB)
-15
2
-20
1
-25
2000
0
0
500
1000
1500
2000
2500
3000
3500
Frequency (MHz)
Frequency (MHz)
12/12
ASB Inc.
·
sales@asb.co.kr
·
Tel: +82-42-528-7223
February 2010
ASB [ ADVANCED SEMICONDUCTOR BUSINESS INC. ]
