ASX401 Datasheet, PDF (3/33 Pages) Advanced Semiconductor Business Inc. – 250-3000 MHz MMIC Amplifier

APPLICATION CIRCUIT
IF
128 ~ 152 MHz
+5 V
Schematic
Vs=5 V
ASX401
250-3000 MHz MMIC Amplifier
Frequency (MHz)
128
140
152
Magnitude S21 (dB)
19
20
19.5
Magnitude S11 (dB)
-7
-10
-7
Magnitude S22 (dB)
-10
-15
-12
Output P1dB (dBm)
Output IP3¹⁾ (dBm)
30
30.5
30.5
40.5
43.5
42.5
Noise Figure (dB)
11.5
10
9.5
Device Voltage (V)
5
5
5
Current (mA)
290
290
290
1) OIP3 is measured with two tones at an output power of +8 dBm/tone sepa-
rated by 1 MHz.
Board Layout (FR4, 40x40 mm², 0.8T)
D1=5.6V
Zener Diode
C6=1 mF
RF IN
C1=1 nF L2= 22nH ^L3=120nH
L4=22 nH
ASX401
C5=100pF
L1=82 nH
(Coil Inductor)
C2=1 nF
RF OUT
C3=15pF
C4=56 pF
S-parameters & K-factor
25
0
20
-5
15
10
-10
5
0
0
50
100
150
200
250
300
Frequency (MHz)
0
-15
0
50
100
150
200
250
300
Frequency (MHz)
5
4
-5
3
-10
2
-15
1
3/33
-20
0
50
100
150
200
250
300
Frequency (MHz)
0
0
500
1000 1500 2000 2500 3000 3500
Frequency (MHz)
ASB Inc. · [e-mail] · Tel: [phone]
September 2012