AT-31625-TR1 查看數據表（PDF） - HP => Agilent Technologies
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AT-31625-TR1 Datasheet PDF : 10 Pages
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Test Circuit A: Test Circuit Board Layout @ 900 MHz
VBB
VCC
VBB
T1
C3
R2
L1
R1 R3
R4
C2
C5
L2
R5
C6
VCC
C8 C9
9/96
38.1 (1.5)
C1
C4
C7
INPUT
PA3 DEMO
B–MFG0141
76.2 (3.0)
CW Test
VCE = 4.8 V
ICQ = 5.0 mA
Freq. = 900 MHz
Test Circuit:
FR-4 Microstrip, glass epoxy board
Dielectric Constant = 4.5
Thickness = 0.79 (.031)
NOTE:
Dimensions are shown in millimeters (inches).
C10
OUTPUT
C1
100.0 pF
C2
100.0 pF
C3
100.0 nF
C4
6.8 pF
C5
100.0 nF
C6
100.0 pF
C7
2.7 pF
C8
1.5 µF
C9
10.0 µF
C10 100.0 pF
R1
2.2 Ω
R2
750.0 Ω
R3
2.2 Ω
R4
10.0 Ω
R5
10.0 Ω
T1 MBT 2222A
L1
18.0 µH
L2
18.0 µH
Test Circuit A: Test Circuit Schematic Diagram @ 900 MHz
2.2 Ω
VBB
750 Ω
CW Test
VCC
VCE = 4.8 V
ICQ = 5.0 mA
Freq. = 900 MHz
B DC
C E Transistor
2.2 Ω
10 Ω
100 nF
10 Ω
100 pF
18 µH
80 Ω
λ/4 @ 900 MHz
100 pF
80 Ω
100 nF
18 µH
λ/4 @ 900 MHz
1.5 µF
10 µF
RF IN
100 pF
6.8 pF
50 Ω
= 5.38 (.212)
50 Ω
= 19.91 (.784)
100 pF
2.7 pF
RF OUT
4-49
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