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Mansueto Grech
Mansueto Grech il y a 18 secondes
Hi Joost, Will yo be contacting us on the forun or off forum for payment details? Regards Mans
RF Power Meter with 1MHz-10GHz bandwidth and 55dB dynamic range
Calpe
Calpe il y a 1 jour
I have finally completed this project. Ive used twin Q-Watt pcb's. It works fantastic and for the sound quality you need to hear to believe. In http://www.diyaudio.com/forums/chip-amps/301100-my-q-watt-project.html  you'll find intersting comments and additions. One is using a Switched Mode Power Supply instead of a Mains Tx, rectifier and capacitors. Another is fitting an input level control. I have given thanks in the above DIY Audio's forum post #368, to a wonderful person whe went out of his way to help me.
Q-Watt - Simple Audio Power Amplifier (110656)
Peter Rouwen
Peter Rouwen il y a 1 jour
How can I order this kit?  
RF Power Meter with 1MHz-10GHz bandwidth and 55dB dynamic range
Jens Middendorf
Jens Middendorf il y a 1 jour
How about Balancing? Lithium batteries decay differently over time, and as there is no charge control or stop, it is possible to totally overcharge a defective or just weak cell. I've never tried but there are warnings everywhere, so i fear i'll blow up something with this boost converter and a 2S or even 3S LiPo....
2s Lipo Charger From USB
Calpe
Calpe il y a 2 jours
In the schematic diagram shown above it shows "corrected 28/05/2013 110656-1". Does this refer only the printed circuit board version or were there component changes? 
Q-Watt - Simple Audio Power Amplifier (110656)