MB15C100 Datasheet, PDF (16/28 Pages) Fujitsu Component Limited. – IF Band PLL Frequency Synthesizer

MB15C100 Series
s REFERENCE INFORMATION
1. Application Measurement (H type: high-speed sync charge pump)
• Measurement results
Parameter
Results
Lock up time ± 1 kHz
Unlock → Lock
Power on → Lock
2.3 ms
3.4 ms
Reference leakage (∆ f = 58 kHz)
–88.5 dBc
Phase noise (∆ f = 1 kHz)
(∆ f = 10 kHz)
(∆ f = 100 kHz)
(∆ f = 1 MHz)
–88.0 dBc/Hz
–111.0 dBc/Hz
–118.0 dBc/Hz
–134.0 dBc/Hz
VCC (V)
3.0 V
VCO
Discrete VCO (Kv = 3.5 MHz/V)
Lock frequency = 274.0 MHz (fr = 58 kHz)
• Measurement circuit
VCC = 3.0 V
1000 pF
fin
MB15C100
S.G
1000 pF _OSCin
22.564 MHz
50 Ω
Loop Filter
18 Ω
18 Ω
18 Ω
Spectrum
Analyzer
R1
C1
R2
C2
VCO
C3
C1 = 6800 pF
C2 = 0.068 µF
C3 = 4800 pF
R1 = 3.0 kΩ
R2 = 3.9 KΩ
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