Manuais de utilizador para VTech Telecommunications Ltd 80-4258-05

índice analítico

• Complete System Description

  5
• Introduction

  5
• Feature List

  5
• System Block Diagram

  6
• Handset Block Diagram

  7
• Base Block Diagram

  8
• RF Section Overview

  9
• Introduction

  9
• Frequency Tables

  10
• Handset Frequencies

  10
• Base Frequencies

  11
• Block Diagram

  12
• RF Section Detailed Operation

  13
• Antenna Section

  13
• Antenna

  13
• SAW Duplexer

  13
• Receive Section

  13
• RX Amps and SAW Filter

  13
• RX Mixer

  14
• RX VCO and LO Buffer

  14
• RX Synthesizer

  15
• IF Amplifier Stage

  15
• IF Filtering

  15
• Mixer, IF Amplifier, FM Demodulator (Temic IC)

  15
• Transmit Section

  16
• TX Amp

  16
• TX VCO

  16
• TX Synthesizer/PLL

  16
• Baseband Section

  17
• General Description

  17
• Detailed Functional Description

  18
• Protocol Functions

  18
• Audio Functions

  18
• System Control Functions

  18
• Port Pin Assignment And Functions

  20
• Handset Port Pin Assignment

  20
• Base Port Pin Assignment

  21