UPB1008K-EVAL【PDF 1/10 页】EVAL BOARD FOR UPB1008K

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NEC's LOW POWER

GPS RF RECEIVER

UPB1008K

FEATURES

? LOW POWER CONSUMPTION: 52 mW

? DUAL-CONVERSION IQ DOWN CONVERTER 1 :

BLOCK DIAGRAM

Reference frequency: REF in = 27 MHz

? PSEUDO-BASEBAND WITH 2-BIT DIGITIZED OUTPUT

? ON-CHIP LNA, ON-CHIP FREQUENCY SYNTHESIZER,

IF AGC AMPLIFIER:

with 45 dB typical range of adjustable gain

? SMALL 36 PIN QFN PACKAGE:

PIN 1 –

LNA

1stMIX

AGC

Flat lead style for better RF performance

Note:

OSC

ADC

1. Based on eRide's proprietary GPS DSP architecture

1/2

ADC

APPLICATIONS

? E911 ENABLED MOBILE PHONE

? IN-VEHICLE NAVIGATION SYSTEMS

? LOW POWER HANDHELD GPS RECEIVER

? PC/PDA+GPS INTEGRATION

? ASSET TRACKING

DESCRIPTION

NEC's UPB1008K is a Silicon RFIC especially designed for

handheld low power/low cost GPS receivers. The IC com-

bines an LNA, followed by a double-conversion RF/IF

downconverter block and a PLL frequency synthesizer on one

chip. The second IF Freqency is a pseudo- baseband signal

into a on-chip 2-bit A/D converters.The device can operate on

a supply voltage as low as 2.7 V, and is a housed in a small 36

pin QFN (Quad, Flat, No-lead) package, resulting in a very low

power consumption and reduced board space.

NEC's stringent quality assurance and test procedures en-

sure the highest reliability and performance.

RF APPLICATION DIAGRAM

Nyquist Filters

LNA

1st Mixer

IF filter

AGC

2-bit

ADC

ISign

IMag

RF SAW

TANK

2-bit

ADC

QSign

QMag

Loop

Filter

REFin

27 MHz

PLL Frequency

Counters

Reference

Clock

Regulator Circuitry

I/Q

Balance

California Eastern Laboratories

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