UPB1004GS NEC [NEC], UPB1004GS Datasheet - Page 8

• Manufacturer Part Number: UPB1004GS
• Description: REFERENCE FREQUENCY 16.368 MHz, 2ND IF FREQUENCY 4.092 MHz RF/IF FREQUENCY DOWN-CONVERTER PLL FREQUENCY SYNTHESIZER IC FOR GPS RECEIVER
• Manufacturer: NEC [NEC]

8
No.
Pin
16
17
18
19
20
21
22
23
24
25
26
27
V
(divider block)
LO
GND
(divider block)
REF
V
(reference
block)
REF
2ndIF
V
(2ndIF-AMP)
2ndIF bypass
2ndIF
2ndIF
GND
(2ndIF-AMP)
CC
CC
CC
Pin Name
out
in
out
out
in
in
2
1
2.7 to 3.3
2.7 to 3.3
2.7 to 3.3
Voltage
Applied
(V)
0
0
Voltage
2.08
1.96
1.65
1.56
2.30
2.35
2.35
Pin
(V)
Supply voltage pin of
prescalers.
Monitor pin of comparison
frequency at phase detector.
Ground pin of prescalers +
LOout amplifier
Input pin of reference frequency.
This pin should be equipped
with external 16.368 MHz
oscillator (e.g. TCXO).
Supply voltage pin of
input/output amplifiers in
reference block.
Output pin of reference
frequency. The frequency from
pin 19 can be took out as 1 V
swing.
Output pin of 2nd IF amplifier.
This pin output 4.092 MHz
clipped sinewave.
This pin should be equipped
with external inverter to adjust
level to next stage on user’s
system.
Supply voltage pin of 2nd IF
amplifier.
Bypass pin of 2nd IF amplifier
input 1. This pin should be
grounded through capacitor.
Pin of 2nd IF amplifier input 2.
This pin should be grounded
through capacitor.
Pin of 2nd IF amplifier input 1.
2nd IF filter can be inserted
between pin 26 & 28.
Ground pin of 2nd IF amplifier.
Data Sheet P13860EJ3V0DS00
Function and Application
P-P
1st
LO
OSC
16
18
20
19
18
23
24
26
25
27
Internal Equivalent Circuit
25
MIX
IF
8
PD
17
PB1005GS
PD
2
21
22
Ref.
PD