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 | + | *** [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 NC2030 | ** Phasing Network based on NC2030 | ||
* ATMega32 controller (like Arduino but not the Arduino IDE) | * ATMega32 controller (like Arduino but not the Arduino IDE) | ||
Revision as of 16:38, 10 October 2021
Features
- QCX+ 5W Single Band CW transceiver kit - QRP Labs
- IQ Radio - Direct Conversion
- Quadrature Sampling - Tayloe Detector
- Phasing Network based on NC2030
- 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
- 38400 baud serial port
- Optional 50W PA kit
- Optional Enclosure
- Optional TCXO module
- Optional Dev kit
Enclosure
Videos
QRP Labs
NA5Y Series
- Built by function
