More commentary & photos from Yu regarding his upcoming FX-4CR derivative

From Yu:

The PAs were tested, and those between 80M and 10M all reached the 50W standard without any problems, while the 6M version could reach approximately 10W.

 

It seems that heat dissipation is the primary concern. I'm currently designing a dual-fan system, hoping that the dual fans will provide better cooling.

 

At the same time, the circuit of the PA section was improved again, referencing the circuit design adopted by modern commercial machines.

 

We aim to reduce current consumption while meeting power output requirements.

 

Once the new fan system design is complete, it will be tested again using the new PA board. Meanwhile, the design of the main circuitry (frequency converter and signal processing) is also about to begin.

 

Based on everyone's suggestions, we replaced the buttons with a high-quality mechanical encoder.

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Yu's previous photos are posted here. 

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