UPB1007K データシートの表示（PDF） - California Eastern Laboratories.

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UPB1007K

3 V DUAL DOWNCONVERTER AND PLL FREQUENCY SYNTHESIZER

California Eastern Laboratories. 

PIN FUNCTIONS

Pin No.

Symbol

Function and Application

12

VCC

Supply voltage pin of prescaler, phase

detector, crystal oscillator, VCO buffer.

(Divider Block)

13

LO_out

Monitor pin of comparison frequency at

phase detector.

14

XO_out

Monitor pin of crystal oscillator ÷2 output

at phase detector.

15

PD1

Power down control pin

Low = Whole chip off except XTAL osc.

High = Whole chip on except XTAL osc.

16

PD2

Reference block standby mode.

Low = Reference block disabled.

High = Reference block enabled.

UPB1007K

Internal Equivalent Circuit

17

REFout

Output pin of reference frequency or

crystal oscillator. The frequency from pin

17 can be taken out as 1Vp-p swing.

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