ASX401 Datasheet, PDF (9/33 Pages) Advanced Semiconductor Business Inc. – 250-3000 MHz MMIC Amplifier

ASX401
250-3000 MHz MMIC Amplifier
APPLICATION CIRCUIT
TRS Tx
851 ~ 867 MHz
+5 V
Frequency (MHz)
851 ~ 867
Magnitude S21 (dB)
19
Magnitude S11 (dB)
-16
Magnitude S22 (dB)
-14
Output P1dB (dBm)
Output IP3¹⁾ (dBm)
30.5
43
Noise Figure (dB)
4.5
Device Voltage (V)
5
Current (mA)
290
1) OIP3 is measured with two tones at an output power of +16
dBm/tone separated by 1 MHz.
Schematic
Vcc=5 V
RF IN
D1=5.6V
Zener Diode
C6=1 mF
C1=100 pF ^{L2=4.7 nH}
ASX401
C3=9 pF
C5=100pF
L1=82 nH
(Coil Inductor)
C2=100 pF
L3=3.3 nH
C4=7 pF
RF OUT
Board Layout (FR4, 40x40 mm², 0.8T)
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
600
700
800
900
1000
1100
1200
Frequency (MHz)
0
-5
-10
-15
-20
600
700
800
900
1000
1100
1200
Frequency (MHz)
5
4
3
2
1
0
0
500
1000 1500 2000 2500 3000 3500
Frequency (MHz)
9/33
ASB Inc. · [e-mail] · Tel: [phone]
September 2012