MC12038BD データシートの表示（PDF） - Motorola => Freescale
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MC12038BD Datasheet PDF : 5 Pages
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Sine Wave Generator
50Ω
MC12038A
Figure 4. AC Test Circuit
C3
VCC = 4.5 to 5.5 Vdc
C1
VCC
SW
IN
C2
IN
MC
OUT
GND
CL
EXTERNAL COMPONENTS
C1 = C2 = 1000 pF
C3 = 0.1 µF
CL = 8.0 pF (Including Scope
and jig capacitance)
MC Input
Figure 5. Input Signal Amplitude versus Input Frequency
+15.0
+1250
+10.0
+710
+5.0
+400
0
+225
–5.0
+125
–10.0
+71.0
–15.0
+40.0
–20.0
+22.5
–25.0
+12.8
–30.0
+7.1
–35.0
+4.0
–40.0
+2.25
–45.0
+1.25
–50.0
0
250
500
750
1000
1250
FREQUENCY (MHz)
Divide Ratio = 128; VCC = 5.0 V; TA = 25°C
+0.71
1500
Figure 6. Output Amplitude versus Input Frequency
5000
4000
3000
2000
1000
0
0
250
500
750
1000
1250
1500
FREQUENCY (MHz)
MOTOROLA RF/IF DEVICE DATA
3
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