UPB1003GS Ver la hoja de datos (PDF) - NEC => Renesas Technology

Número de pieza

componentes Descripción

Fabricante

UPB1003GS

REFERENCE FREQUENCY 16.368 MHz, 2ND IF FREQUENCY 4.092 MHz RF/IF FREQUENCY DOWN-CONVERTER + PLL FREQUENCY SYNTHESIZER IC FOR GPS RECEIVER

NEC => Renesas Technology 

µPB1005GS

PRODUCT LINE-UP (TA = +25°C, VCC = 3.0 V)

Type

Part Number

Functions

(Frequency unit: MHz)

VCC

ICC

CG

TA

(V)

(mA) (dB)

(°C)

Package

Status

General µPC2756T RF down-converter with osc. Tr 2.7 to 3.3 6

14

−40 to 6-pin

Available

Purpose

+85 minimold

Wideband

Separate

IC

µPC2756TB

µPC2753GR

IF down-converter with gain

2.7 to 3.3 6.5 60 to 79

6-pin super

minimold

20-pin plastic

control amplifier

SSOP

Clock

µPB1003GS RF/IF down-converter

2.7 to 3.3 37.5 72 to 92 −20 to 30-pin plastic Discontinued

Frequency

+ PLL synthesizer

+85 SSOP

Specific

REF = 18.414

1 chip IC

1stIF = 28.644/2ndIF = 1.023

µPB1004GS RF/IF down-converter

2.7 to 3.3 37.5 72 to 92 −20 to

+ PLL synthesizer

+85

µPB1005GS REF = 16.368

2.7 to 3.3 45.0 72 to 92 −40 to

1stIF = 61.380/2ndIF = 4.092

+85

Available

Remark Typical performance. Please refer to ELECTRICAL CHARACTERISTICS in detail.

To know the associated products, please refer to their latest data sheets.

SYSTEM APPLICATION EXAMPLE

GPS receiver RF block diagram

LNA

1575.42 MHz

from

Antenna

1540f0

BPF

example: µ PC2749TB

60f0

RF-MIXout

BPF

IF-MIXin

40f0

IF-MIXout

VGC

LPF

RF-MIX

1540f0

IF-MIX

• f0 = 1.023 MHz in the diagram.

• µPB1005GS is in

.

2ndlFin1

2ndlFin2

2ndlFbypass

2ndlF-Amp

4f0

4.092 MHz

Buff

to Demodulator

64f0

1/25

1/8

8f0

PD

1/2

16.368 MHz

16f0

Buff

to Demodulator

OSC

1600f0

1stLO-OSC1 1stLO-OSC2

LOOP

8f0 AMP

LOout

REF

16f0

VCC

TCXO

16.368 MHz

Caution This diagram schematically shows only the µPB1005GS’s internal functions on the system.

This diagram does not present the actual application circuits.

Data Sheet P13860EJ3V0DS00

3

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