ASX621
250-3000 MHz MMIC Amplifier
Frequency (MHz)
2700
16
-12
-15
33
48
5.9
5
1150
2900
14
-12
-15
APPLICATION CIRCUIT
WiMAX
2700 ~ 2900 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
C6=1
mF
C8=1
mF
C7=100pF
L2=27 nH C4=1 pF
(Coil Inductor)
RF IN
ASX621
Board Layout (FR4, 40x40 mm , 0.8T)
2
*C4 shall be placed as close as
possible to the pin.
C5=100pF
L1=27 nH
(Coil Inductor)
C2=1.2 pF
2.5 mm
RF OUT
C1=1.5 pF
C3=1.2 pF
S-parameters
25
0
20
-5
Gain (dB)
15
S11 (dB)
2600
2700
2800
2900
3000
3100
-10
10
-15
5
0
2500
-20
2500
2600
2700
2800
2900
3000
3100
Frequency (MHz)
0
5
Frequency (MHz)
-5
4
-10
Stability Factor
2600
2700
2800
2900
3000
3100
3
S22 (dB)
-15
2
-20
-25
1
-30
2500
0
0
500
1000
1500
2000
2500
3000
3500
Frequency (MHz)
Frequency (MHz)
9/10
ASB Inc.
·
sales@asb.co.kr
·
Tel: +82-42-528-7223
February 2010
ASB [ ADVANCED SEMICONDUCTOR BUSINESS INC. ]
