Yeah, I know what you're thinking, "5 Watt transceivers have been done to death!".
Well, look at this one!
And here's the features:
* Easy to build, single-board design, 10 x 8cm, all are controls board-mounted
* Professional quality double-sided, through-hole plated, silk-screen printed PCB
* Choice of single band, 80, 40, 30, 20 or 17m
* Approximately 3..5W CW output (depending on supply voltage)
* 12..15V supply voltage
* Class E power amplifier, transistors run cool… even with no heatsinks
* Good 7-element Low Pass Filter to ensure regulatory compliance
* CW envelope shaping to remove key clicks
* High performance receiver with at 50+ dB of unwanted sideband cancellation
* 200Hz CW filter without 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 for a 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: Power, 3.5mm keyer jack, 3.5mm stereo earphone jack, BNC RF output
* Onboard microswitch can be used as a simple straight Morse key
* 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)
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