ASX401
250-3000 MHz MMIC Amplifier
Frequency (MHz)
869 ~ 894
19.5
-15
Magnitude S21 (dB)
Magnitude S11 (dB)
Magnitude S22 (dB)
Output P1dB (dBm)
Output IP31) (dBm)
Noise Figure (dB)
Device Voltage (V)
Current (mA)
APPLICATION CIRCUIT
-18
CDMA Tx
869 ~ 894 MHz
+5 V
29.5
47
4.5
5
290
1) OIP3 is measured with two tones at an output power of +11
dBm/tone separated by 1 MHz.
Board Layout (FR4, 40x40 mm2, 0.8T)
Schematic
Vcc=5 V
D1=5.6V
Zener Diode
C6=1 mF
C5=100pF
L1=100 nH
(Coil Inductor)
L2=3.9 nH
RF IN
C1=100 pF
C3=9 pF
C2=100 pF
C4=4.7 pF
RF OUT
ASX401
L3=3.3 nH
S-parameters & K-factor
25
0
-5
20
15
10
5
-40oc
25oc
85oc
-10
-15
-40oc
25oc
85oc
-20
0
600
-25
600
700
800
900
1000
1100
1200
700
800
900
1000
1100
1200
Frequency(MHz)
Frequency(MHz)
0
5
-5
4
3
2
1
0
-10
-15
-20
-25
-30
-40oc
-40oc
25oc
85oc
25oc
85oc
600
700
800
900
1000
1100
1200
0
500
1000
1500
2000
2500
3000
3500
Frequency(MHz)
Frequency(MHz)
12/33
ASB Inc.
·
sales@asb.co.kr
·
Tel: +82-42-528-7223
September 2012
ASB [ ADVANCED SEMICONDUCTOR BUSINESS INC. ]
