ASX520_17 Datasheet, PDF (3/11 Pages) Advanced Semiconductor Business Inc. – Gain Block Amplifier MMIC over DC ~1000MHz

ASX520
250 ~ 3000 MHz MMIC Amplifier
APPLICATION CIRCUIT
IF
400 ~ 430 MHz
+5 V
Frequency (MHz)
400 ~ 430
Magnitude S21 (dB) 37.5
39.0
Magnitude S11 (dB) -11.0
-12.0
Magnitude S22 (dB) -2.5
-5.0
Output P1dB (dBm) 30
Output IP3¹⁾ (dBm) 45
Noise Figure (dB) 8.3
Device Voltage (V) +5
Current (mA)
650
1) OIP3 is measured with two tones at an output power of +11
dBm/tone separated by 1 MHz.
Schematic
Vcc=5 V
R1=3 
C9=1 F
C5=15 pF
C8=100pF
C4=100 pF
RF IN
L2=12 nH
L4=6.8 nH
2.5 mm
ASX520
C1=100 pF
D1=5.6V
Zener Diode
C7=1 F
C6=100pF
L1=12 nH
(Coil Inductor)
C2=270 pF
RF OUT
3.5 mm L3=1.8 nH
C3=22 pF
Board Layout (FR4, 40x40 mm², 0.8T)
S-parameters & K-factor
50
0
40
-5
30
-10
20
-15
10
-20
0
300
350
400
450
500
550
600
Frequency (MHz)
5
-25
300
350
400
450
500
550
600
Frequency (MHz)
5
4
0
3
-5
2
-10
1
3/11
-15
300
350
400
450
500
550
600
Frequency (MHz)
0
0
500
1000
1500
2000
2500
3000
3500
Frequency (MHz)
ASB Inc.  [e-mail]  Tel: [phone]
February 2017