ASX401 Datasheet, PDF (15/33 Pages) Advanced Semiconductor Business Inc. – 250-3000 MHz MMIC Amplifier

ASX401
250-3000 MHz MMIC Amplifier
APPLICATION CIRCUIT
GSM Tx
935 ~ 960 MHz
+5 V
Schematic
Vcc=5 V
Frequency (MHz)
935 ~ 960
Magnitude S21 (dB)
19
Magnitude S11 (dB)
-17
Magnitude S22 (dB)
-16
Output P1dB (dBm)
Output IP3¹⁾ (dBm)
29.5
47
Noise Figure (dB)
4.3
Device Voltage (V)
5
Current (mA)
290
1) OIP3 is measured with two tones at an output power of +10
dBm/tone separated by 1 MHz.
Board Layout (FR4, 40x40 mm², 0.8T)
RF IN
D1=5.6V
Zener Diode
C6=1 mF
C1=100 pF ^{L2=3.9 nH}
ASX401
C3=7.5 pF
C5=100pF
L1=100 nH
(Coil Inductor)
C2=100 pF
L3=3.3 nH
C4=4.7 pF
RF OUT
S-parameters & K-factor
25
20
15
10
5
0
600
700
800
900
1000
1100
1200
Frequency (MHz)
0
-5
-10
-15
-20
-25
-30
600
700
800
900
1000
1100
1200
Frequency (MHz)
0
-5
-10
-15
-20
-25
-30
600
700
800
900
1000
1100
1200
Frequency (MHz)
5
4
3
2
1
0
500
1000 1500 2000 2500 3000 3500
Frequency (MHz)
15/33
ASB Inc. · [e-mail] · Tel: [phone]
September 2012