UPB1506 NEC, UPB1506 Datasheet - Page 14

• Manufacturer Part Number: UPB1506
• Description: 3GHz INPUT DIVIDE BY 256/ 128/ 64 PRESCALER IC FOR ANALOG DBS TUNERS
• Manufacturer: NEC

TEST CIRCUIT
P P P P PB1506GV
COMPONENT LIST
14
C1 to C5
C6
Stray cap.
C7
* Capacitance C
x
x
S.G
V
CC
C7 value + stray capacitance on the
board and measurement equipment.
SG (HP-8665A)
Counter (HP5350B) : To measure input sensitivity
Oscilloscope
= +5.0 V
50
±10 %
or
1 000 pF
10 000 pF
Aprox 4 pF
3.5 pF*
C2
P PB1506GV
L
C6
= 8 pF for DUT includes
C1
: To measure output voltage swing
C3
1
2
3
4
1 000 pF
10 000 pF
Aprox 5 pF
2.5 pF*
P PB1507GV
SW1
IN
IN
GND
OUT
SW2
V
NC
CC
8
7
6
5
OPEN
C4
C5
P P P P PB1506GV, P P P P PB1507GV
C7
H: Connect to V
L: Connect to GND or OPEN
Divide ratio setting
SW1
Stray cap.
H
L
1/128
1 M
1/64
CC
Oscilloscope
or Counter
H
SW2
50
Monitor
0.6 pF
1/128
1/256
L