UPB1509GV データシートの表示（PDF） - NEC => Renesas Technology

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UPB1509GV

1GHz INPUT DIVIDE BY 2, 4, 8 PRESCALER IC FOR PORTABLE SYSTEMS

NEC => Renesas Technology 

TEST CIRCUIT

1000 pF

Power Supply

PPB1509GV

C1

C2

50 Ω

C3

Signal Generator

1 VCC1

2 IN

3 IN

4 GND

C7

VCC2 8

OUT 7

SW2 6

SW1 5

C6

C5

C4

High impedance

Oscilloscope

R1

150 Ω

50 Ω

Counter

(or Spectrum Analizer)

EQUIPMENTS

Signal Generator (HP-8665A)

Counter (HP-5350B) for measuring input sensitivity (Spectrum Analyzer for measuring output frequency)

Oscilloscope for measuring output swing (In measuring output power on Spectrum Analyzer, oscilloscope should

be turned off.)

Divide Ratio Setting

SW2

H

L

H

1/2

1/4

SW1

L

1/4

1/8

H: SW pin should be connected to VCC1 pin.

L: SW pin should be opened or connected to GND.

6

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