ASX620
250-3000 MHz MMIC Amplifier
Frequency (MHz)
196
38
-13
-9
33.0
46.0
6.7
5
950
216
38
-14
-9
32.5
44.5
6.7
5
950
APPLICATION CIRCUIT
196 ~ 216 MHz
+5 V
Magnitude S21 (dB)
Magnitude S11 (dB)
Magnitude S22 (dB)
Output P1dB (dBm)
Output IP3 (dBm)
Noise Figure (dB)
Device Voltage (V)
Current (mA)
1)
1) OIP3 is measured with two tones at an output power of +15
dBm/tone separated by 1 MHz.
Schematic
Vs=5 V
D1=5.6V
Zener Diode
R1=3
W
C7=1
mF
C6=100pF
C5=15 pF
C4=100 pF
L2=100 nH
C1=100 pF
L3=6.8 nH
L1=82 nH
(Coil Inductor)
ASX620
3.5 mm
L4=7.5
nH
C3=56 pF
C2=68 pF RF OUT
Board Layout (FR4, 40x40 mm , 0.8T)
2
C9=1
mF
C8=100pF
RF IN
S-parameters & K-factor
50
0
40
-5
Gain (dB)
30
S11 (dB)
-10
20
-15
10
0
100
150
200
250
300
-20
100
150
200
250
300
Frequency (MHz)
0
Frequency (MHz)
5
-5
4
Stability Factor
150
200
250
300
3
S22 (dB)
-10
2
-15
1
-20
100
0
0
500
1000
1500
2000
2500
3000
3500
Frequency (MHz)
Frequency (MHz)
3/8
ASB Inc.
·
sales@asb.co.kr
·
Tel: +82-42-528-7223
September 2012