ASX621_17 Datasheet, PDF (11/12 Pages) Advanced Semiconductor Business Inc. – 250 ~ 3000 MHz MMIC Amplifier

APPLICATION CIRCUIT
Others
1200 ~ 1400 MHz
+5 V
ASX621
250 ~ 3000 MHz MMIC Amplifier
Frequency (MHz)
1200 1300 1400
Magnitude S21 (dB)
25.5 23.0 20.0
Magnitude S11 (dB)
-14
-12
-7
Magnitude S22 (dB)
-10
-9
-7
Output P1dB (dBm)
31.0 32.5 31.0
Output IP3¹⁾ (dBm)
48
48
47
Noise Figure (dB)
9.5
9.5
9.5
Device Voltage (V)
+5
+5
+5
Current (mA)
1150 1150 1150
1) OIP3 is measured with two tones at an output power of +14 dBm/tone
separated by 1 MHz.
Schematic
Vcc=5 V
D1=5.6V
Zener Diode
C9=1 F
C8=100pF
C5=4.7 pF
C4=8 pF
RF IN
L2=39 nH
(Coil Inductor)
2.5 mm _ASX621
R1=10 
C1=3 pF
C7=1 F
C6=100pF
L1=39 nH
(Coil Inductor)
RF OUT
3.5 mm
C2=100 pF
C3=5 pF
Board Layout (FR4, 40x40 mm², 0.8T)
S-parameters
35
30
25
20
15
10
5
0
1000
1100
1200
1300
1400
Frequency (MHz)
1500
1600
5
0
-5
-10
-15
-20
1000
1100
1200
1300
1400
Frequency (MHz)
1500
1600
5
0
4
-5
3
-10
2
-15
1
11/12
-20
1000
1100
1200
1300
1400
Frequency (MHz)
1500
1600
0
0
500
1000
1500
2000
2500
3000
3500
Frequency (MHz)
ASB Inc.  [e-mail]  Tel: [phone]
February 2017