ASG304 데이터 시트보기 (PDF) - ASB Inc
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ASG304 Datasheet PDF : 8 Pages
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Application Circuit: 900 MHz
Typical Performance
Frequency
Magnitude S21
Magnitude S11 1)
Magnitude S22 1)
Output P1dB
Output IP3 2)
Noise Figure
Supply Voltage
Current
900 MHz
18 dB
-24 dB
-11 dB
24 dBm
41 dBm
2.6 dB
6V
110 mA
1) S11 & S22 can be improved, at a specific frequency, by moving
an input shunt capacitor (C2) along an input transmission line.
2) OIP3 is measured with two tones at an output power of +8 dBm/tone
separated by 1 MHz.
Gain vs. Temperature
20
19
18
Frequency=900 MHz
17
16
-60 -40 -20
0
20
40
60
80 100
Temperature (oC)
S-parameters
10
0
-10
-20
85oC
-30
25oC
-40oC
-40
-50
600
700
800
900
1000
1100
1200
Frequency (MHz)
25
20
15
10
85oC
25oC
5
-40oC
0
600
700
800
900
1000
1100
1200
Frequency (MHz)
3/8
ASG304
Schematic
Vcc=6 V
C4= C5= C6=
100 pF 1000 pF 0.1µF
R1=7.5 kΩ
C1=10 pF
RF IN
C2=8 pF
L1=100 nH
50 Ω
3 mm
ASG304
C3=100 pF
RF OUT
Board Layout (FR4, 40x40 mm2, 0.8T)
-1 5
-2 0
-2 5
-3 0
-3 5
-4 0
6 00
7 00
8 5 oC
2 5 oC
-40oC
80 0
90 0
100 0
11 00
1 200
Frequenc y [MHz ]
-15
-20
-25
-30
85oC
25oC
-35
-40oC
-40
600
700
800
900
1000
1100
1200
Frequency (MHz)
5
0
-5
-10
85oC
25oC
-15
-40oC
-20
600
700
800
900
1000
1100
1200
Frequency (MHz)
www.ASB.co.kr June 2003
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