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QRP Labs QMX Multimode Transceiver Assembly Manual

Introduction

The QRP Labs QMX is a high-performance, five-band 5W CW and Digital modes transceiver. It features CAT control, a built-in USB sound card, and is designed for amateur radio enthusiasts. This assembly manual guides users through the construction process, from component identification to final checks.

Key Features

  • Five-band operation (various versions available)
  • 5W output power (9V or 12V supply options)
  • Clean single signal output
  • Sunlight-viewable LCD with backlight
  • Built-in SWR metering and protection
  • Lightweight design (210 grams)
  • High-performance SDR receiver
  • Built-in USB sound card and Virtual COM port for CAT control
  • Si5351A synthesized local oscillator with high precision
  • 25MHz TCXO reference
  • Integrated signal generator, configuration, and analysis tools
  • Iambic keyer, on-screen S-meter, CW decoder
  • Beacon mode and GPS interface for frequency discipline
  • Lifetime free firmware upgrades via QRP Labs Firmware Update (QFU) bootloader
  • SMD components pre-installed; requires through-hole soldering
  • No external test equipment needed for build and alignment

Assembly Guide

This manual provides detailed step-by-step instructions for assembling the QMX kit. It emphasizes careful component placement, soldering techniques, and PCB structure. Users are advised to follow instructions precisely and work in a well-lit area.

Manufacturer

This product is manufactured by QRP Labs. For more information, resources, and firmware updates, please visit the official QRP Labs QMX page: http://qrp-labs.com/qmx.

Models: QMX, Multimode Xcvr Transceiver, Multimode, Xcvr Transceiver, Transceiver

File Info : application/pdf, 80 Pages, 15.80MB

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