Topology Federmann, HQQF-55 ...

[Federmann]

My English is not very good, but the topic is topology.

[danhard]

Again heaps of empty schemas !
It's a bad simulation.
Voltage UGS is derived from the current VAS and it decreases with temperature.
In the simulator will be no explosion.

[BV]

Your English is much, much better than "your" topology and simulations!

[Federmann]

Originally Posted by Ultima Thule

Federmann,

let me tell you, the RDSon tempco effect is only valid when you are saturating the MOSFET, then you have Negative tempco, this works ONLY for Class-D / Switch Mode Power Supplies!

In the linear mode the RDSon has NO EFFECT on the tempco stability!

Cheers Michael

You're right, but compensate for this dependency transistor T109. The SPICE simulation is used to indicate only the dependence of terminal transistors.

[brianco]

Federmann,

The point is that you refuse to answer the serious questions:

HAVE YOU BUILT, TESTED, AND LISTENED TO THIS AMPLIFIER?

You have been asked this question by Chris (Anatech) and others many times! You have NOT yet answered. Therefore is no surprise that most readers are growing tired of your claims when you refuse to produce proper evidence (other than simulations) to support your claims.

When you ignore such questions you are going to be suspected of all of the charges which have been made against you. It is clear from the criticism of your design that well experienced designers and others have serious doubts regarding the safety of this circuit. Only by publishing screen pictures of your test results and by showing the amplifier in a full working condition can you even begin to save your situation.

[Federmann]

I repeated several times, what is the current situation, which I can publish.

Originally Posted by Federmann

PMA is certainly right, but the simulations SPICE_kompatibile usually very not different.

Preparation for construction.

Originally Posted by Federmann

Current form, the assessment and fitting end transistors. He will be measured.

I have plenty of measured transistors. I'm putting together individual modules.

Modules for various performances, impedance and voltage. Only then will set their parameters, then I can write more.

[brianco]

Originally Posted by Federmann

.................................................. .............................. Only then will set their parameters, then I can write more.

Thank you - many are waiting with interest.

[Federmann]

Originally Posted by Federmann

I, do not use any resistance, the essence of concentrations of power transistors I described here

1) For each module must be selected same IRFP240 and appropriate Zener diode.
2) For each module must be selected same IRFP9240 and appropriate Zener diode.
3) Then optimally set 2SC3503, and adjusted its emitter resistor 15R.

Results will be published after a particular measurement. Set and measure 5 modules.

I'm sorry that I can not tell more.

[Allen Wright]

I suspect the time you are spending posting all these simulations and arguing with your detractors would be FAR better spent actually building the amps and LISTENING to them in comparison with some accepted reference amp or amps.

And then getting the amp listened to by others with top top systems. When they lay $$ down for a copy - you KNOW it works well.

Regards, Allen

[BV]

I'd never used quiescent current of 200A!

Only you are talking about quiescent, 200A is result of your overcurrent "protection" at shorted output. You can use it as welding machine:-)).But only for one point....