MC12028BP 데이터 시트보기 (PDF) - Motorola => Freescale
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MC12028BP Datasheet PDF : 5 Pages
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Sine Wave Generator
50 Ω
MC12028A MC12028B
Figure 4. AC Test Circuit
C1
VCC
IN
C2
IN
MC
SW
OUT
GND
MC Input
VCC = 4.5 to 5.5 V
C3
RL
CL
EXTERNAL COMPONENTS
C1 = C2 = 1000 pF
C3 = 0.1 µF
CL = 12 pF (Including Scope
and jig capacitance)
RL = 2.2 kΩ
Figure 5. Typical Input Impedance versus Input Frequency
1000
900
800
700
600
R
500
400
300
200
GHz
100
0
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3
–100
–200
jX
–300
–400
–500
–600
MOTOROLA RF/IF DEVICE DATA
3
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