Difference between revisions of "QCX+ Radio"

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* IQ Radio - Direct Conversion
 
* IQ Radio - Direct Conversion
 
** Quadrature Sampling - Tayloe Detector  
 
** Quadrature Sampling - Tayloe Detector  
 +
*** [https://wparc.us/presentations/SDR-2-19-2013/Tayloe_mixer_x3a.pdf Ultra Low Noise, High Performance, Zero IF Quadrature Product Detector and Preamplifier] - By Dan Tayloe
 +
** Phasing Network based on [http://www.norcalqrp.org/files/NC2030/NC2030_v5.pdf the NC2030]
 
* 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]
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* High performance receiver with at least 50dB of unwanted sideband cancellation
 
* High performance receiver with at least 50dB of unwanted sideband cancellation
 
* 200Hz CW filter with no ringing
 
* 200Hz CW filter with no ringing
 +
** Based on the HyperMite by Dave NBMOS
 
* Si5351A Synthesized VFO with rotary encoder tuning
 
* Si5351A Synthesized VFO with rotary encoder tuning
 
* 16 x 2 blue backlight LCD screen
 
* 16 x 2 blue backlight LCD screen
Line 48: Line 51:
 
* CAT control serial data interface
 
* CAT control serial data interface
 
** 38400 baud serial port
 
** 38400 baud serial port
 +
** [http://dxatlas.com/OmniRig/ Omni-Rig 1.20]
 
* Optional [https://www.qrp-labs.com/50wpa 50W PA kit]
 
* Optional [https://www.qrp-labs.com/50wpa 50W PA kit]
 
* Optional [http://shop.qrp-labs.com/enclosures/qcxpcase Enclosure]
 
* Optional [http://shop.qrp-labs.com/enclosures/qcxpcase Enclosure]
 
* Optional [http://shop.qrp-labs.com/qcxptcxo TCXO module]
 
* Optional [http://shop.qrp-labs.com/qcxptcxo TCXO module]
 
* Optional [http://shop.qrp-labs.com/kits/qcxpdev Dev kit]
 
* Optional [http://shop.qrp-labs.com/kits/qcxpdev Dev kit]
 +
 +
== Dev Kit ==
 +
 +
The [http://shop.qrp-labs.com/kits/qcxpdev QSX+ dev kit] consists of the following items
 +
 +
* 95 x 120mm PCB
 +
* 4pcs 12mm nylon hex spacer for mounting the PCB above the main QCX+ board
 +
* 8pcs 6mm M3 nylon screw
 +
* 8pcs 2-way female header connector
 +
* 1pcs 20-way male header connector (may be broken into smaller pieces as desired)
 +
 +
Holes for fitting pin header connectors that mate with connectors on the main QCX+ PCB, for
 +
 +
* Power (Gnd, +5V, 12V)
 +
* Si5351A Clk0/1/2 outputs)
 +
* I2C bus
 +
* ISP header
 +
* Frequency counter, DVM and RF Power inputs
 +
* I and Q outputs (IC5 pin 1 and 7)
 +
* I and Q path phase shift outputs
 +
* CW filter input and output
 +
* Audio amplifier input and output
 +
* GPS header
 +
* CAT control and PTT signals
 +
* All pins of the PTT, CAT and Audio connectors
  
 
== Enclosure ==
 
== Enclosure ==
  
 
[[file:QCX+_20200621_012756-720px.jpg]]
 
[[file:QCX+_20200621_012756-720px.jpg]]
 +
 +
[[file:QCX+_In Enclosure.PNG]]
 +
 +
== Build ==
 +
 +
* Sockets (purchased separately)
 +
** [https://www.mouser.com/ProductDetail/575-144308 8 PIN - Mill-Max 115-47-314-41-001000]
 +
** [https://www.mouser.com/ProductDetail/575-1154731441001000 14 PIN- Mill-Max 115-47-314-41-001000]
 +
** [https://www.mouser.com/ProductDetail/575-199328 28 PIN- Mill-Max 110-99-328-41-001000]
  
 
== Videos ==
 
== Videos ==
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<video type="youtube">eN7wER05T-c</video>
 
<video type="youtube">eN7wER05T-c</video>
 +
 +
<video type="youtube">ccKWqzhS-fU</video>
  
 
=== NA5Y Series ===
 
=== NA5Y Series ===
Line 82: Line 122:
  
 
<video type="youtube">hjk74vSZF8o</video>
 
<video type="youtube">hjk74vSZF8o</video>
 +
 +
=== Others ===
 +
 +
<video type="youtube">zTmt_KF_xTU</video>
 +
 +
<video type="youtube">wNbMWS_OSBU</video>
 +
 +
<video type="youtube">aMAlCUAeDNw</video>
 +
 +
<video type="youtube">xAgXeFCIJyY</video>

Latest revision as of 12:01, 14 October 2021

QCX+ 20200621 011329-720px.jpg

Features

  • QCX+ 5W Single Band CW transceiver kit - QRP Labs
  • IQ Radio - Direct Conversion
  • 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
    • Based on the HyperMite by Dave NBMOS
  • 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
  • Optional 50W PA kit
  • Optional Enclosure
  • Optional TCXO module
  • Optional Dev kit

Dev Kit

The QSX+ dev kit consists of the following items

  • 95 x 120mm PCB
  • 4pcs 12mm nylon hex spacer for mounting the PCB above the main QCX+ board
  • 8pcs 6mm M3 nylon screw
  • 8pcs 2-way female header connector
  • 1pcs 20-way male header connector (may be broken into smaller pieces as desired)

Holes for fitting pin header connectors that mate with connectors on the main QCX+ PCB, for

  • Power (Gnd, +5V, 12V)
  • Si5351A Clk0/1/2 outputs)
  • I2C bus
  • ISP header
  • Frequency counter, DVM and RF Power inputs
  • I and Q outputs (IC5 pin 1 and 7)
  • I and Q path phase shift outputs
  • CW filter input and output
  • Audio amplifier input and output
  • GPS header
  • CAT control and PTT signals
  • All pins of the PTT, CAT and Audio connectors

Enclosure

QCX+ 20200621 012756-720px.jpg

QCX+ In Enclosure.PNG

Build

Videos

QRP Labs

NA5Y Series

  • Built by function

Others