UPB587G NEC, UPB587G Datasheet - Page 6

• Manufacturer Part Number: UPB587G
• Description: 1GHz INPUT DIVIDE BY 2/ 4/ 8 PRESCALER IC FOR PORTABLE SYSTEMS
• Manufacturer: NEC

TEST CIRCUIT
EQUIPMENTS
be turned off.)
H: SW pin should be connected to V
L: SW pin should be opened or connected to GND.
6
Signal Generator
SW1
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
50
Divide Ratio Setting
H
L
1/2
1/4
H
C3
SW2
C1
C2
1/4
1/8
L
1
2
3
4
V
IN
IN
GND
CC1
CC1
pin.
1000 pF
SW2
SW1
OUT
V
CC2
Power Supply
8
7
6
5
C5
C7
C6
C4
R1
150
(or Spectrum Analizer)
High impedance
P P P P PB1509GV
Oscilloscope
Counter
50