Ritron RIT44-465 Manuales de usuario

Tabla de contenidos

• Pub. RLR-465 MRM

  1
• RLR-465NX

  1
• PROGRAMMABLE NXDN 10W REPEATER

  1
• 1. SPECIFICATIONS

  3
• 2. INTRODUCTION

  4
• GENERAL

  4
• INSPECTION

  4
• MODEL IDENTIFICATION

  4
• FCC REGULATIONS

  4
• RF SAFETY ISSUES

  4
• RITRON, INC. LIMITED WARRANTY

  7
• 3. OPERATION

  9
• GENERAL OPERATION

  9
• DUTY CYCLE/TEMPERATURE LIMITS

  9
• INDICATORS

  10
• CONNECTORS

  10
• 3.4.1 Antenna Connector

  10
• 3.4.2 DC Power Connector

  11
• 3.4.3 Interface Connector

  11
• 3.4.4 Mini USB programming port

  11
• 4. REPEATER FEATURES

  12
• PROGRAMMING SETUP

  12
• COMPUTER SOFTWARE COPYRIGHTS

  12
• 5. THEORY OF OPERATION

  12
• DUPLEXER

  13
• RECEIVER

  13
• 5.2.1 Front-End

  13
• 5.2.2 1st IF

  13
• 5.2.3 2nd IF Sub-System

  13
• 5.2.4 1ST Local Oscillator/Receive Synthesizer

  14
• 5.2.5 2ND Local Oscillator

  14
• 5.2.6 Base band data

  14
• TRANSMITTER

  14
• 5.3.1 Transmit Synthesizer

  14
• 5.3.2 RF Power Amplifier Stages

  15
• 5.3.3 Transmitter signaling

  15
• POWER DISTRIBUTION

  15
• MICROCONTROLLER

  15
• 6. FACTORY ALIGNMENT

  16
• DUPLEXER

  16
• RECEIVER

  17
• 6.2.1 RX VCO Band adjustment and reference Oscillator tuning

  17
• 6.2.2 RX filter alignment and Sensitivity

  17
• 6.2.3 2nd IF local oscillator trimming for minimum filter distortion

  17
• 6.2.4 Squelch

  17
• TRANSMITTER

  18
• 6.3.1 TX frequency adjustment

  18
• 6.3.2 TX VCO Band, Modulation Balance and Deviation adjustment

  18
• 6.3.4 TX power adjustment

  18