ASG402 Datasheet, PDF (5/7 Pages) List of Unclassifed Manufacturers – DC-3000 MHz SiGe HBT Amplifier

Application Circuit: 2000 MHz
Typical Performance
Frequency
Magnitude S21
Magnitude S11 ¹⁾
Magnitude S22 ¹⁾
Output P1dB
Output IP3 ²⁾
Noise Figure
Device Operating Voltage
Current
Supply Voltage
2000 MHz
9 dB
-15dB
-14 dB
28 dBm
44 dBm
5.0 dB
6V
275 mA
8V
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 +14 dBm/tone
separated by 1 MHz.
ASG402
Schematic
Vs=8 V
R1=7.5 Ω
R3=300 Ω
R2=1.2 kΩ
L1= 100 nH
C1= 1.0 pF
RF IN
L3=33 nH
50 Ω
4.5 mm
C2=1.8 pF
C5=1 µF
ASG402
C6= C7= C8=
100 pF 1000 pF 1 µF
L2= 6.8 nH
50 Ω
4.5 mm
C3=100 pF
RF OUT
C4=2.2 pF
Gain vs. Temperature
13
12
Frequency = 2GHz
11
10
9
8
7
6
5
-60
-40
-20
0
20
40
60
Temperature ( ^oC )
80
100
Board Layout (FR4, 40x40 mm², 0.8T)
S-parameters
0
-5
-10
-10
-20
+ 85^oC
-15
+ 25^oC
-30
- 40^oC
-20
+ 85^oC
+ 25^oC
- 40^oC
-40
-25
-50
1700
1800
1900
2000
2100
Frequency ( MHz )
2200
2300
-30
1700
1800
1900
2000
2100
Frequency ( MHz )
2200
2300
5/7
www.ASB.co.kr Mar.. 2004