Ritron RIT17-442 User Manuals

Table of Contents

• GENERAL

  5
  • DTX-442 SPECIFICATIONS

    6
• RECEIVER Specifications

  6
• TRANSMITTER

  6
  • DESCRIPTION OF INPUT/OUTPUT

    7
  • Auxiliary Input (pin 7)

    7
  • Auxiliary Output (pin 8)

    7
  • Monitor Input (pin 11)

    7
  • Carrier Detect Output (pin 13)

    8
    • PROGRAMMING THE RADIO

      9
• PROGRAMMING THE RADIO USING A PC COMPUTER

  9
  • Surface Mount Repair

    10
  • Precautions for Handling CMOS Devices

    10
  • Synthesizer Shield

    10
• POWER SUPPLY AND VOLTAGE DISTRIBUTION

  11
• REFERENCE OSCILLATOR

  11
• SYNTHESIZER

  11
• RECEIVER

  11
  • Receiver Front End

    11
  • FM Receiver Subsystem

    12
  • Voice and Tone Conditioning in Receiver

    12
  • Receiver Current Consumption

    12
• TRANSMITTER

  12
  • Voice and Tone in Transmitter

    13
• MICROCONTROLLER

  13