Controller Divide ratio setting, Oscilloscope

MB15F74UV
■ TEST CIRCUIT (for Measuring Input Sensitivity fin/OSCIN)
				S.G.			1000 pF
							1000 pF
							50 Ω
	S.G.	1000 pF		Controller
		1000 pF

				(divide ratio setting)
		50 Ω
			OSCIN	Clock	Data	LE
	GND	1	18	17	16	15	VCCRF
S.G.		1	18	17	16	15	VCCRF
S.G.
1000 pF							finRF
		2				14	finRF	∝F
	finIF	2				14	0.1	∝F
	finIF
50 Ω	XfinIF	3				13	1000 pF
	1000 pF	3				13	XfinRF
	1000 pF			MB15F74UV			XfinRF
				MB15F74UV
		4				12	GNDRF
	GNDIF						GNDRF
	GNDIF
		5				11	VCCRF
	VCCIF						VCCRF
VCCIF	DoIF	6	7	8	9	10	DoRF
	DoIF

			PSIF	LD/	PSRF
				fout
0.1 ∝F
							Oscilloscope

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Image 14

Fujitsu MB15F74UV manual Controller Divide ratio setting, Oscilloscope

Contents

Package FeaturesDescription Pin plastic BCC LCC-18P-M05 MB15F74UV PIN Assignments PIN Description Pin no Descriptions Block Diagram MB15F74UV Absolute Maximum Ratings Parameter Symbol Rating Unit MinParameter Symbol Value Unit Remarks Min Typ Recommended Operating Conditions Min Typ Electrical CharacteristicsParameter Symbol Condition V ≤ V do ≤ V CC − 0.5 Current rate Vs Ta Parameter Symbol Condition Value Unit Min TypCharge pump Vs V do −40 C ≤ Ta ≤ 85 C Programmable Reference Counter Functional DescriptionProgrammable R10 R11 R12 R13 R14 Divide ratio N11 N10 Data settingDivide ratio R14 R13 R12 R11 R10 Divide ratio Current value Phase comparator input FC IF, RF = Do IF, Do RFDivide ratio SW = LD/fout pin state Power Saving Mode Intermittent Mode Control Circuit Status PS pin Parameter Min Typ Max Unit 100 LD Output Logic Phase Comparator Output WaveformFC bit = IF-PLL section RF-PLL section LD output Controller Divide ratio setting Oscilloscope Fin input sensitivity Typical CharacteristicsCatalog guaranteed range RF-PLL input sensitivity vs. Input frequency Sensitivity Oscin input sensitivityInput sensitivity vs. Input frequency Input MA mode Charge pump output current IDO mA Charge pump output voltage VDO FinRF input impedance Fin input impedanceFinIF input impedance Oscin input impedance Oscin input impedance PLL Reference Leakage PLL Phase NoiseReference Information Mkr x 439.99764 ∝s 50.0009 MHz Application Example Controller Part number Package Remarks Usage PrecautionsOrdering Information Package Dimension Fujitsu Limited C18058S-c-1-1 Dimensions in mm inches Fujitsu Limited F0401

MB15F74UV

■ TEST CIRCUIT (for Measuring Input Sensitivity fin/OSCIN)

Controller

(divide ratio setting)

Oscilloscope