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Old 10th October 2012, 02:52 PM   #3401
naf is offline naf  Indonesia
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dear Shaan, if you want to just print and iron, i think this is the correct one.
left is your new corrected 10k resistor, right is my first board
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File Type: jpg Shann_PCB_R10k_corection_cr.jpg (128.9 KB, 720 views)
File Type: png SSA_BOTTOM_TOPVIEW_2_Naf.png (354.5 KB, 712 views)

Last edited by naf; 10th October 2012 at 02:58 PM.
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Old 10th October 2012, 03:03 PM   #3402
shaan is offline shaan  India
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Thanks naf for the proper layout. I deleted the above post, will upload the right one.
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Old 10th October 2012, 03:10 PM   #3403
shaan is offline shaan  India
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The good one. Promise. Print and Iron.

I am apparently a rookie after all.

Thanks Naf.
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File Type: pdf PEECEEBEE_MIRROR_LAYOUT_CORRECTED.pdf (118.9 KB, 352 views)
File Type: pdf PEECEEBEE_MIRROR_SILKSCREEN_CORRECTED.pdf (8.5 KB, 226 views)
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Old 10th October 2012, 03:13 PM   #3404
naf is offline naf  Indonesia
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Quote:
Originally Posted by shaan View Post
The good one. Promise. Print and Iron.

I am apparently a rookie after all.

Thanks Naf.
after all you're fast Shaan
now i just donwload it, print and iron...no need manual edit anymore Thank you.

Last edited by naf; 10th October 2012 at 03:16 PM.
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Old 10th October 2012, 03:53 PM   #3405
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Quote:
Originally Posted by Sheldon View Post
Here's my all BJT version: Simple Symetrical Amplifier

A couple of points: I'm using Thermaltrak outputs. You can substitute standard power BJT's and an ordinary VAS multiplier. You'd still want the NTC to compensate the front end (thermally coupled to the input pair).

Distortion will rise above a certain power level for this simple version, as the VAS will be loaded at higher output levels. I don't need much power, and I haven't seen any issue. For more power you can use the output design from the all BJT SST thread.

Sheldon
Thanks Sheldon,
I will see that, but maybe I don't have enough skill if there something to modify
and I already order the lateral pair...(thanks to Naf for the info)
Now I'm waiting for my own thinking which one will be build
It is really hot thread he...3x

Regards
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Old 10th October 2012, 04:26 PM   #3406
naf is offline naf  Indonesia
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Quote:
Originally Posted by JOHN BALI View Post
Thanks Sheldon,
I will see that, but maybe I don't have enough skill if there something to modify
and I already order the lateral pair...(thanks to Naf for the info)
Now I'm waiting for my own thinking which one will be build
It is really hot thread he...3x

Regards
glad to hear dear John, no it's up to you to choose your poison
Good luck.
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Old 10th October 2012, 05:11 PM   #3407
shaan is offline shaan  India
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Hi John.

For LATFETs you can choose either Nico's V1.4 PCB or the PeeCeeBee.
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Old 10th October 2012, 05:59 PM   #3408
masood is offline masood  India
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dear sir,
how can i set bias voltage at gate of mosfet.
thanks
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Old 10th October 2012, 06:23 PM   #3409
Riff is offline Riff  Indonesia
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Quote:
Originally Posted by Lazy Cat View Post
Hi guys

Finally, I am proud to announce that the SSA Low Impedance HP design project is prepared. It was a DIY community mutual project since there are ideas, knowledge, effort and of course time & energy of many involved, to offer free SSA amplifier project to all interested.

Happy DIY, enjoy, regards Andrej

P.S. Special thanks to Alex, you're the Man.
hi LC..." SSA Low Impedance HP " is a great progress from SSA i think.
any plane " SSA Low Impedance HP " for PA (kw)?
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Old 10th October 2012, 07:46 PM   #3410
shaan is offline shaan  India
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Originally Posted by masood View Post
dear sir,
how can i set bias voltage at gate of mosfet.
thanks
Like the attachment for autobias.

Or a 1K Trimpot replacing the diodes for manual bias setting.

Only for Laterals.
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File Type: png bias.png (10.6 KB, 641 views)
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