Very simple quasi complimentary MOSFET amplifier

[Mosquito]

Here I was thinking that I was the only one here with a fetish for cap orientation 😀

not only, I want all my resistors with the tolerance band pointing the same direction, this for not other reason that aesthetics

 

[AKSA]

Actually, I always put my electros in the same polarity too, BUT, it's not needed, it's OCD stuff I enjoy and don't expect others to enjoy it........

Hugh

 

[AKSA]

Thimios,
How bad is the start up whistle and thump?

Hugh

 

[thimios]

Thimios,
How bad is the start up whistle and thump?

Hugh

At start up i hear nothing.
No thump,no hiss,nothing!

 

[AKSA]

WOW!! OWZAT!! What did you do? Please tell us, the sweating slaves.......

Ciao,

Hugh

 

[Idefixes]

SMD fun.....

Marc

 

[AKSA]

Very pretty, Marc, looks like something from Ettore Bugatti........

Hugh

 

[meanman1964]

Recieved Prasies boards from Bangla H but one minor thing the mounting holes for the output fets are way to big(my bad) please use 3mm holes there
What is the latest updated BOM and schematic?

 

[meanman1964]

Gerbers for V4.2 as per post#590 as requested by some members.
reg
prasi

Sprintlayout file?

 

[prasi]

Sprintlayout file?

Hi meanman,
I have eagle files, is ok with you? BTW, how did the holes become bigger? I think I had kept 3.5-4mm, but use of washer will make the load distributed and will not cause PCB crack due to stress. i will try and import in sprint and upload here later today.
reg
prasi

 

[meanman1964]

Eagle 5 -6 ?

 

[prasi]

Eagle 5 -6 ?

eagle 7.2.

 

[meanman1964]

eagle 7.2.

Have that one too but would be happy with Sprintlayout file because i'm still learning Eagle

 

[meanman1964]

I like to start gathering all the parts so I need the latest schematic and partlist

 

[prasi]

Have that one too but would be happy with Sprintlayout file because i'm still learning Eagle

Here you go.. Sprint file as imported from gerbers for reference and checking. I will always feel confidence with original gerbers. Also latest scheme same as # 590 is attached. also the parts list

 

[e_fortier]

I like to start gathering all the parts so I need the latest schematic and partlist

Hi Meanman,

Are you planning to organize a GB ? If so, which PCB will it be, Prasi or Thiago ?

I honestly prefer the one from Thiago simply because of the added rectifier diodes and filtering cap, it makes the design easier to implement.

Keep us posted,

Eric

 

[meanman1964]

I prefer prasi his design but what do you think guys?
Thiago his second design is okay too but I would make the pcb a bit longer for the use of an alu. L bracket or do you mean the first design?
For the second design I would like the FetZilla style

 

[hifiramr]

It will be really nice if somebody initiate a GB with a fixed design

 

[meanman1964]

For me it doesn't matter but the question is which one?
Or prasi his design?

 

[e_fortier]

All layout are attractive...lol

The above pic is odd since both PCB are 75mm.

Prasi layout is more compact since the output device are underneath the PCB.

Whatever the group goes with I'll be greatful.

BR
Eric