ASL29W
5-3000 MHz High Linearity LNA MMIC
Frequency (MHz)
Magnitude S21 (dB)
70
25
-13
-18
21.5
31
3.0
5
75
150
24
-11
-18
21.5
32
3.0
5
75
300
22.5
-8
-18
21.5
33
2.9
5
75
APPLICATION CIRCUIT
IF
30 ~ 400 MHz
+5 V
Magnitude S11 (dB)
Magnitude S22 (dB)
Output P1dB (dBm)
Output IP3 (dBm)
Noise Figure (dB)
Device Voltage (V)
Current (mA)
1)
1) OIP3 is measured with two tones at an output power of +10 dBm/tone sepa-
rated by 1 MHz.
Schematic
Vcc=5 V
R4=9.1
W
Board Layout (FR4, 40x40 mm , 0.8T)
2
C4=10
mF
C3=100 pF
R1= 43 kW
RF IN
C1=1
mF
ASL29W
L1=1
mH
C2=1
mF
RF OUT
R2=82
W
R3= 5.1 kW
S-parameters & K-factor
30
0
25
-5
Gain (dB)
20
S11 (dB)
15
-10
10
-15
5
-20
0
100
200
300
400
500
0
0
100
200
300
400
500
Frequency (MHz)
0
5
Frequency (MHz)
-5
4
Stability Factor
-10
3
S22 (dB)
-15
2
-20
1
-25
-30
0
0
100
200
300
400
500
0
500
1000
1500
2000
2500
3000
3500
Frequency (MHz)
Frequency (MHz)
4/11
ASB Inc.
·
sales@asb.co.kr
·
Tel: +82-42-528-7223
February 2010
ASB [ ADVANCED SEMICONDUCTOR BUSINESS INC. ]
