Re: Amp output Z

On 12 Apr, tonyw@xxxxxxxxxxxxxxxxxxx wrote:

> I Ro X
> +->-----/\/\----||----+ <---E = I*RL
> | |
> | \
> [Vgen] /RL = R1 or R2
> | \
> | |
> +---------------------+---0v
[snip]

> 2 2 2 2 2
> Ro + X + R1 R1 E2
> ----------- = ---- * ----
> 2 2 2 2 2
> Ro + X + R2 E1 R2

Harry. I see now that you gave in another post,
E1= 14.81Vac, E2= 14.5Vac for R1= 600 and R2= 300.

Plugging those numbers into the above sum gives
X= 35.8 ohms.

That's with an assumed Ro of 10 ohms.

If Ro= 0 the sum gives X= 72.5 ohms.

--
Tony Williams.
.