Fujitsu MB15F74UL REFERENCE INFORMATION

MB15F74UL

■REFERENCE INFORMATION

(for Lock-up Time, Phase Noise and Reference Leakage)

(Continued)

Test Circuit

S.G. OSCIN

fin

Do LPF

VCO

Spectrum

Analyzer

7.5 kΩ

2.7 kΩ

15000 pF

1500 pF 330 pF

VCC = 3.0 V

Ta = + 25 °C

CP : 6 mA mode

fVCO = 2500 MHz

KV = 50 MHz/V

fr = 200 kHz

fOSC = 13 MHz

LPF

To VCO

• PLL Reference Leakage

• PLL Phase Noise

ATTEN 10 dB

RL 0 dBm

CENTER 2.500000 GHz

RBW 3.0 kHz VBW 3.0 kHz SPAN 1.000 MHz

SWP 280 ms

∆MKR −70.00 dB

200 kHz10 dB/

∆MKR

200 kHz

−70.00 dB

∗

ATTEN 10 dB

RL 0 dBm

CENTER 2.50000000 GHz

RBW 30 Hz VBW 30 Hz SPAN 10.00 kHz

SWP 1.92 s

∆MKR −69.01 dB

1.00 kHz10 dB/

∗

∆MKR

1.00 kHz

−69.01 dB/Hz

Contents

Main DS04-21374-1E FUJITSU SEMICONDUCTOR DATA SHEET ASSP MB15F74UL DESCRIPTION FEATURES PACK AGE PIN ASSIGNMENTS PIN DESCRIPTION MB15F74UL BLOCK DIAGRAM MB15F74UL ABSOLUTE MAXIMUM RATINGS RECOMMENDED OPERATING CONDITIONS ELECTRICAL CHARACTERISTICS MB15F74UL FUNCTIONAL DESCRIPTION 1. Pulse swallow function 2. Serial Data Input Page Page 3. Power Saving Mode (Intermittent Mode Control Circuit) 4. Serial Data Data Input Timing PHASE COMPARATOR OUTPUT WAVEFORM TEST CIRCUIT (for Measuring Input Sensitivity fin/OSCIN) Controller (Divide ratio setting) MB15F74UL Oscilloscope MB15F74UL TYPICAL CHARACTERISTICS IF-PLL input sensitivity vs. Input frequency 1. RF-PLL input sensitivity vs. Input frequency 2. 3. RF-PLL Do output current 4. 5. finIF input impedance fin 6. OSC OSCIN input impedance REFERENCE INFORMATION (for Lock-up Time, Phase Noise and Reference Leakage) PLL Phase Noise PLL Reference Leakage Page APPLICATION EXAMPLE MB15F74UL USAGE PRECAUTIONS ORDERING INFORMATION PACKAGE DIMENSION 20-pad plastic BCC (LCC-20P-M05) 2001 FUJITSU LIMITED C20056S-c-2-1 Dimensions in mm (inches) FUJITSU LIMITED F0210 FUJITSU LIMITED Printed in Japan