UPB1004GS NEC [NEC], UPB1004GS Datasheet - Page 3

• 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]

PRODUCT LINE-UP (T
SYSTEM APPLICATION EXAMPLE
General
Purpose
Wideband
Separate
IC
Clock
Frequency
Specific
1 chip IC
1575.42 MHz
Remark
GPS receiver RF block diagram
Caution This diagram schematically shows only the PB1005GS’s internal functions on the system.
Antenna
Type
example:
from
Part Number
PC2749TB
PC2756T
PC2756TB
PC2753GR IF down-converter with gain
PB1003GS
PB1004GS
PB1005GS
Typical performance. Please refer to ELECTRICAL CHARACTERISTICS in detail.
To know the associated products, please refer to their latest data sheets.
This diagram does not present the actual application circuits.
LNA
1540f
BPF
0
RF down-converter with osc. Tr 2.7 to 3.3
control amplifier
RF/IF down-converter
+ PLL synthesizer
REF = 18.414
1stIF = 28.644/2ndIF = 1.023
RF/IF down-converter
+ PLL synthesizer
REF = 16.368
1stIF = 61.380/2ndIF = 4.092
A
(Frequency unit: MHz)
= +25 C, V
1540f
OSC
1stLO-OSC1
0
Functions
RF-MIX
RF-MIX
1600f
CC
out
0
1stLO-OSC2
60f
= 3.0 V)
1/25
Data Sheet P13860EJ3V0DS00
0
BPF
IF-MIX
IF-MIX
in
64f
1/8
2.7 to 3.3
2.7 to 3.3
2.7 to 3.3
2.7 to 3.3
V
0
IF-MIX
GC
LO
V
(V)
out
CC
8f
0
out
LOOP
AMP
40f
P D
8f
0
(mA)
0
37.5
37.5
45.0
LPF
6.5
I
CC
6
V
CC
2ndlF
1/2
2ndlF-Amp
60 to 79
72 to 92
72 to 92
72 to 92
2ndlFbypass
16.368 MHz
in
(dB)
CG
1
TCXO
14
16f
REF
2ndlF
0
( C)
40 to
85
20 to
85
20 to
85
40 to
85
in
16f
T
2
4f
A
• f
• PB1005GS is in
0
0
0
= 1.023 MHz in the diagram.
16.368 MHz
4.092 MHz
6-pin
minimold
6-pin super
minimold
20-pin plastic
SSOP
30-pin plastic
SSOP
Buff
Buff
Package
PB1005GS
to Demodulator
to Demodulator
.
Discontinued
Available
Available
Status
3