Re: Fw: LF: W1VD amp help - more waveforms

[Roger Rehr W3SZ <w3sz@comcast.net>]

Paul,

You are not over-posting.  Many of us are following with substantial
interest.  Please keep it up.

73,

Roger
W3SZ
On 4/10/2018 9:36 PM, N1BUG wrote:
> Aha! Jay
>
> See! Mine are *not* the same. In yours, one phase drops all the way
> down, there's a slight dead zone, then the other starts coming up.
> In mine, one is still on its way down when the other starts up. If
> it's not an absolute red flag, it sure raises questions in my mind.
>
> Gates with Vdd off:
>
> http://www.n1bug.com/gates-10.jpg
>
> http://www.n1bug.com/gates-11.jpg
>
> Resistors and caps verified, caps by marking only since I can't
> measure them. New KEMET caps purchased from Mouser for this project.
>
> Other curiosities might be that my gate rise time is slower than
> yours and the little 'bobble' seems to occur at a lower voltage.
>
> Paul
>
>
>
> On 04/10/2018 09:08 PM, jrusgrove@comcast.net wrote:
>> Paul
>>  
>> Corrected links below.
>>  
>> www.w1vd.com/FETgate1.jpg <http://www.w1vd.com/FETgate1.jpg>
>>  
>> www.w1vd.com/FETgate2.jpg <http://www.w1vd.com/FETgate2.jpg>
>>  
>> Jay W1VD