ASX621 데이터 시트보기 (PDF) - ASB Inc
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ASX621 Datasheet PDF : 10 Pages
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ASX621
DC-3000 MHz MMIC Amplifier
APPLICATION CIRCUIT
CDMA Tx, GSM
869 ~ 960
+5 V
Frequency (MHz)
869
960
Magnitude S21 (dB)
31
26
Magnitude S11 (dB)
-13
-18
Magnitude S22 (dB)
-8
-7.5
Output P1dB (dBm)
Output IP31) (dBm)
32.5
47
32.5
48
Noise Figure (dB)
11
11
Supply Voltage (V)
5
5
Current (mA)
1150
1150
1) OIP3 is measured with two tones at an output power of +15
dBm/tone separated by 1 MHz.
Schematic
C9=1 µF
C8=100pF
C5=9 pF
C4=12 pF
RF IN
L2=56 nH
(Coil Inductor)
C1=2 pF
R1=15 Ω
Vcc=5 V
D1=5.6V
Zener Diode
C7=1 µF
ASX621
C6=100pF
L1=56 nH
(Coil Inductor)
C2=100 pF
RF OUT
6.5 mm
C3=7.5 pF
Board Layout (FR4, 40x40 mm2, 0.8T)
S-parameters
35
0
30
-5
25
-10
20
-15
15
-20
10
600
700
800
900
1000
1100
1200
Frequency (MHz)
5
-25
600
700
800
900
1000
1100
1200
Frequency (MHz)
5
4
0
3
-5
2
-10
1
-15
600
700
800
900
1000
1100
1200
Frequency (MHz)
0
0
500
1000
1500
2000
2500
3000
3500
Frequency (MHz)
3/10
ASB Inc. • sales@asb.co.kr • Tel: +82-42-528-7223
August 2008
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