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Old 13th December 2016, 03:43 PM   #111
generg is offline generg  Germany
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o.k. lhquam, is there an advantage over the Cascode Feedback? Papa praised it ....
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Old 13th December 2016, 03:44 PM   #112
2 picoDumbs is offline 2 picoDumbs  Australia
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Quote:
Originally Posted by generg View Post
but in the frontend we use normally 36-50mA...
Yes but the Laterals need 200mA to hit zero tempco.
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Old 13th December 2016, 03:47 PM   #113
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Quote:
Originally Posted by lhquam View Post
Adding the local negative feedback resistor Rlfbn will get rid of excess open-loop gain and lower the output impedance of the FE stage.
Compared to what? Nothing wrong with your circuit though.
My circuit doesn't have excess open loop gain.
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Old 13th December 2016, 03:49 PM   #114
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Quote:
Originally Posted by generg View Post
o.k. lhquam, is there an advantage over the Cascode Feedback? Papa praised it ....
I already told you the benefit of cascode feedback.

I may as well be talkin to a brick wall. Hahahaha
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Last edited by 2 picoDumbs; 13th December 2016 at 04:07 PM.
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Old 13th December 2016, 04:09 PM   #115
2 picoDumbs is offline 2 picoDumbs  Australia
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Quote:
Originally Posted by generg View Post
Hope is already with you..... :-)

its a fun to play with the pucks, easy to mount, screws to attach the wires, so much surface.
I already have plenty of pucks, just not the ones needed to build this amp.
Hope they arrive before Christmas.
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Old 14th December 2016, 01:15 PM   #116
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Has anyone thought about just using a cap to bypass the source resistors ?
Ok the value would need to be rather large but on the other hand it would
at a low voltage .
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Old 14th December 2016, 01:17 PM   #117
generg is offline generg  Germany
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Thanks for the hint!

:-))
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Old 14th December 2016, 04:02 PM   #118
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naah......

I would rather put it in turbo mode , than use cap across Rs
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Old 14th December 2016, 04:11 PM   #119
generg is offline generg  Germany
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Thanks for the hint!

:-))

what is turbo mode?
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Old 14th December 2016, 04:15 PM   #120
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hint:

which amp is Turbo here

and how ?

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