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Calpe
Calpe 1 hour ago
Apart from the components i also have a PCB available. I can offer a PCB for £18 all inclusive
Q-Watt - Simple Audio Power Amplifier (110656)
Calpe
Calpe 1 hour ago
I have some PCB's available should you need any. Please request here
Preamplifier 2012 (1) - introduction and line-in/tone/volume board (110650)
Elektro Maker
Elektro Maker 8 hours ago
Maybe using an SSM2212 (identical to MAT12) could eliminate an offset trimmer.
Random Number Generator [150116]
cbucs
cbucs 9 hours ago
I think this is a very nice design, and I have an idea that could improve the frequency resolution without sacrificing range with a component change and small software update. The attached document gives the details. Again, this is just an idea. I am working on another project and have not had time to do any prototyping. I do have more ideas, if anyone is interested, but that should probably be done as a separate project proposal.
AM DDS Function Generator
Calpe
Calpe 14 hours ago
A well recommended web site that offers help from many projects builders and knowledgable people: http://www.diyaudio.com/forums/chip-amps/301100-my-q-watt-project.html You might want to take this on board as stated in the Q-Watt article: - "The protection circuit is dimensioned for a supply voltage of ±56 V. If you use a lower supply voltage, some of the resistor values will have to be adjusted." Also it states: - This heatsink (IC 1) is sufficient to handle the 2 W or so dissipated by the IC with a supply voltage of approximately ±56 V.
Q-Watt - Simple Audio Power Amplifier (110656)