Re: LF: W1VD amp help - more waveforms

[Chris Wilson <dead.fets@gmail.com>]

Hello  Paul,  effectively  the  same as I am using, so I think you can
safely  discount those. Have you tried de-coupling caps yet, especially
on the driver IC?  I think the hump on the gate waveform is the driver
overcoming the gate capacitance of the FET's.

Wednesday, April 11, 2018, 12:30:38 PM, you wrote:

> Jay,

> The caps I used are polyester. Here's the datasheet:

> https://www.mouser.com/datasheet/2/212/KEM_F3101_R82-1103738.pdf

> It mentions timing applications, but I am no capacitor expert!
> Comments appreciated. Mine are 5% tolerance marked 1nJ100.

> I always measure resistors because I don't trust my eyes. The ones
> used here measured about 14.98k on my Fluke DMM.

> My proto board construction technique uses 'rows' of solder which
> undoubtedly results in higher than usual stray C. However I would
> expect it to be a few pf, not something that would throw the circuit
> off this much.

> Paul




-- 
Best regards,
 Chris                            mailto:dead.fets@gmail.com