AT-31625 查看數據表（PDF） - HP => Agilent Technologies
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AT-31625 Datasheet PDF : 10 Pages
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Test Circuit B: Test Circuit Board Layout @ 1800 MHz
VBB
VCC
VBB
C3
C5
VCC
R2
L1
R1 R3
R4
T1
L2
R5
C8 C9
9/96
38.1 (1.5)
C2
C7
C1
C4
C6
C10
INPUT
PA3 DEMO
B–MFG0141
76.2 (3.0)
CW Test
VCE = 4.8 V
ICQ = 15.0 mA
Freq. = 1800 MHz
Test Circuit:
FR-4 Microstrip, glass epoxy board
Dielectric Constant = 4.5
Thickness = 0.79 (.031)
NOTE:
Dimensions are shown in millimeters (inches).
OUTPUT
C1
100.0 pF
C2
100.0 pF
C3
100.0 nF
C4
3.0 pF
C5
100.0 nF
C6
1.4 pF
C7
100.0 pF
C8
1.5 µF
C9
10.0 µF
C10 100.0 pF
R1
2.2 Ω
R2
350.0 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 B: Test Circuit Schematic Diagram @ 1800 MHz
2.2 Ω
VBB
350 Ω
CW Test
VCC
VCE = 4.8 V
ICQ = 15.0 mA
Freq. = 1800 MHz
B DC
C E Transistor
2.2 Ω
10 Ω
100 nF
10 Ω
100 pF
18 µH
80 Ω
λ/4 @ 1800 MHz
100 pF
80 Ω
100 nF
18 µH
λ/4 @ 1800 MHz
1.5 µF
10 µF
RF IN
100 pF
3.0 pF
50 Ω
= 0.89 (.035)
50 Ω
= 10.49 (.413)
100 pF
1.4 pF
RF OUT
4-50
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