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L
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L
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B
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5
0
0
E
B
0
1
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B
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6.0.Typical Test Data(Ex.MB15E07SR)
6.1Measurement Condition
The data is measured under GSM application using MB15E07SR which has the feature of low noise.
Power supply voltage:
Oscillator frequency:
Charge pump current:
Comparison frequency:
VCO frequency:
VCO gain
RF Loop filter
Do
C6
CDMA
*The number of the components is based on the description in 5.0.
6.2 Typical Measurement Results
Parameter
Lock up time
Phase Noise
Spurious
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y
S
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h
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c
y
S
y
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h
e
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Q
E
v
a
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B
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B
o
:Vcc=Vp=3.75V
:fosc=13MHz
:ICP=1.5mA
:fr=200kHz
:fvco=1730MHz to 1805MHz
:42MHz/V(Vvco=3.3V)
C6
C7
1000pF
0.015uF
Measurement
390us
370us
-86.5dBc/Hz
-80.5dBc
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R6
R5
C8
C7
C8
120pF
2.7kΩ
Condition
1730MHz to 1805 MHz +/-1kHz
1805MHz to 1730MHz +/-1kHz
Offset 1kHz @1730MHz
Offset 200kHz @1730MHz
- 8 -
VT(to VCO)
R5
R6
27kΩ
2012.Apr.Rev6.0
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