Difference between revisions of "QCX+ Radio"

From Land Boards Wiki
Jump to navigation Jump to search
Line 9: Line 9:
 
* IQ Radio - Direct Conversion
 
* IQ Radio - Direct Conversion
 
** Quadrature Sampling - Tayloe Detector  
 
** Quadrature Sampling - Tayloe Detector  
* Available for 80, 60, 40, 30, 20 or 17m bands
 
** I built 40 Meters
 
 
* ATMega32 controller (like Arduino but not the Arduino IDE)
 
* ATMega32 controller (like Arduino but not the Arduino IDE)
 
** Proprietary [https://www.qrp-labs.com/qcx/qcxfirmware.html ATMEGA328 Firmware]
 
** Proprietary [https://www.qrp-labs.com/qcx/qcxfirmware.html ATMEGA328 Firmware]
Line 17: Line 15:
 
* Professional quality double-sided, through-hole plated, silk-screen printed PCBs
 
* Professional quality double-sided, through-hole plated, silk-screen printed PCBs
 
* Choice of single band, 80, 60, 40, 30, 20 or 17m
 
* Choice of single band, 80, 60, 40, 30, 20 or 17m
 +
** I built 40 Meters
 
* Approximately 3-5W CW output (depending on supply voltage)
 
* Approximately 3-5W CW output (depending on supply voltage)
 
* 7-16V recommended supply voltage
 
* 7-16V recommended supply voltage

Revision as of 13:35, 10 October 2021

QCX+ 20200621 011329-720px.jpg

Features

  • QCX+ 5W Single Band CW transceiver kit - QRP Labs
  • IQ Radio - Direct Conversion
    • Quadrature Sampling - Tayloe Detector
  • ATMega32 controller (like Arduino but not the Arduino IDE)
    • Proprietary ATMEGA328 Firmware
    • 2 x 3-pin standard AVR header for In-Circuit-Programming on the board
  • Easy to build, spacious 13 x 10cm main board, separate front panel board with all controls board-mounted
  • Professional quality double-sided, through-hole plated, silk-screen printed PCBs
  • Choice of single band, 80, 60, 40, 30, 20 or 17m
    • I built 40 Meters
  • Approximately 3-5W CW output (depending on supply voltage)
  • 7-16V recommended supply voltage
  • Class E power amplifier, transistors are bolted to the PCB as a heatsink, though heat dissipation is minimal
  • 7-element Low Pass Filter ensures regulatory compliance
  • CW envelope shaping to remove key clicks
  • High performance receiver with at least 50dB of unwanted sideband cancellation
  • 200Hz CW filter with no ringing
  • Si5351A Synthesized VFO with rotary encoder tuning
  • 16 x 2 blue backlight LCD screen
  • Iambic keyer or straight key option included in the firmware
  • Simple Digital Signal Processing assisted CW decoder, displayed real-time on-screen
  • On-screen S-meter
  • Full or semi QSK operation using fast solid-state transmit/receive switching
  • Frequency presets, VFO A/B Split operation, RIT, configurable CW Offset
  • Configurable sidetone frequency and volume
  • Connectors: 2.1mm power barrel connector, 3.5mm keyer jack, 3.5mm stereo earphone jack, 3.5mm stereo jack for PTT, 3.5mm stereo jack for CAT control, BNC RF output
  • Built-in test signal generator and alignment tools to complete simple set-up adjustments
  • Built-in test equipment: voltmeter, RF power meter, frequency counter, signal generator
  • Beacon mode, supporting automatic CW or WSPR operation
  • GPS interface for reference frequency calibration and time-keeping (for WSPR beacon)
  • CAT control serial data interface
    • 38400 baud serial port
  • Optional 50W PA kit
  • Optional Enclosure
  • Optional TCXO module
  • Optional Dev kit

Enclosure

QCX+ 20200621 012756-720px.jpg

Videos

QRP Labs

NA5Y Series

  • Built by function