Jumat, 05 Maret 2010

COMPONENTS HANDPHONE AND THE FUNCTION

ON COMPONENTS AND HANDPHONE


IC Power Amplifier (PA)

This component acts as a signal amplifier voltage generated VCO (Voltage Controll Oscilator). If performance is not good components usually result in borosnya battery, because the PA requires substantial resources to strengthen the signal.

Antena Switch / Duplexer

Switch that works automatically to determine the antenna work as Duplexer penggandeng that allows the two sub-systems of the receiving device or sending RF signals to work together through the same antenna as well as the separation between high frequency (DCS 1800 MHz) and low frequency (GSM 900 MHz) .

Filter IC

Act as filters for RF signals in a way to pass the exam frequensy desired frequency and reduce the other to go to the next section, both the signal and the signal went out.

IF Filter IC

A mixer circuit function intermediatte Frequency change the frequency of the filter out to get the VCO frequency difference with frequency as the detector, audio encoder and decoder circuits into the middle frequency.

Signal Processor (RF IC)

Having the most crucial jobs to job processing incoming and outgoing signals and radio waves to separate signals and sound waves. Component that generates pulses of 26Mhz, which is then processed by the RF Processor which then produces the pulse rate of 13Mhz for the system logic on the CPU, for running the baseband digital systems, especially the CPU.
Oscilator Control Voltage (VCO)

VCO there are two kinds for the recipient and the sender's signal. Acts as vibrator (maker) first signal when the CPU began ruled phone to transmit and receive. On Assignment divided VCO waves generated by X-TAL value divided by 26 Mhz and kenilai half of the 13 Mhz and return it to the RF IC to be processed into a wave of RX (Reiceiver) on a scale of 900 MHz and 1800 MHz (for dual band) and 1900 MHz plus (for tri band).

Power Supply IC (UEM)

Sections that govern the distribution voltage electric current to various components obtained from the Battery to be set according to the needs of each of the respective components.

Audio IC (COBBA)

Serves as a signal processor wave materials RX (Reiceiver) and transmits to the X-Tal for conversion to an audio wave to wave a wave of alphanumeric or alphanumeric change to digital audio waves so that the voice sounded clear with the help of the speaker (speakers).

Charging IC

Component that serves as the charging controller of the transformer to the battery charging Mobile.

Switch On / Off

Manual functions as a connective and breaker of a load current. (Switch to turn on and off the phone)
User Interface (UI)

Tools or media that serves as a terminal that regulate other components such as LED lights / ringing and vibrating.

This component is always a system for controlling the driver UI component is commanded from the CPU.

Central Processing Unit (CPU)

The main processor used in devices that can receive information. Serves as executor of the IC and IC Flash RAM that automatically Compare, modify, reduce. Multiply - divide and unite the count information output facility logic - the input by the user and transmitted to the mobile phone LCD as a result can be seen and read.
Random Access Memory (RAM)

Tools to store data temporary memory (memory volitale), where the data will be lost if not electrified (power). to change and usually pengesetannya manually entered by the user device, such as tones, logos, names and addresses.
Eraseable Electrically Programmable Read only memory (EEPROM)

The instrument contains the basic programs for mobile operation performed by the CPU is already in the program by the manufacturer's own mobile phone and can not be changed by the user's mobile phone, except for programming languages and specialized equipment.

Data stored in EEPROM include:

- No. IMEI (International Mobile Equipment Identifier)
- Security Code
- ESN (Electronic Serial Number)
- MIN (Mobile Identification Code)
- SID (System Identification Code)


Flash IC

IC FLASH Having functions as data storage that is permanent memory of the phone, which these data will not be lost even if the power of the phone is switched off. Flash IC contains important data such as MCU and PPM, MCU data data contained Operating System (OS), while the PPM data contains data such as Langue Display pack, Ringtones, etc.. Besides MCU and PPM also CP (Content Pack) and the area that stores user data features on the phone such as Applications, Games, Wallpapper, Video, Phone Book, etc.. Any changes or additions melukan memory must use the computer / software.


Infra Red Diode (IR diode)

IR diode transmit / Receive, there are two diodes as transmitter and receiver as a replacement infra red connection cable software. functions to send and receive waves that contain specific data without using cables.

Emited Light Diode (LED)

device that can emit light when an electric current was given.
Flexible Cable

Thin sheet-shaped instrument with a copper plate that can conduct electricity as liaison with the other one and is elastic.
Buzzer / Ringer

The instrument made a sound / voice as the tone / sign.
SIM Reader

Interface with a mobile phone card.
Plug In

Tool that can connect the device battery charging (Charger) to the PCB.
Board connector

These components are usually present in some specific types of mobile phones. In general, phones that have these devices are mobile phones that have two boards (PCBs) and the function of these devices is to connect the two boards.


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