MB15C100 データシートの表示（PDF） - Fujitsu

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MB15C100

IF Band PLL Frequency Synthesizer

Fujitsu 

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

16

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