[ARC5] BC-455 IFT - measurements
Kenneth G. Gordon
kgordon2006 at frontier.com
Wed Oct 29 12:42:51 EDT 2014
On 29 Oct 2014 at 7:47, Fuqua, Bill L wrote:
> I should have said that C14 couples signal from L6 to grid of first IF.
> C14 is 180pf also but it is in series with much less capacitance that consist of
> Grid to ground capacitance of first IF in parallel with the interwinding
> capacitance of the L7 and stray capacitance of wiring to ground.
> Plate capacitance to ground of mixer is directly across L6 more or less.
Yes. I noticed all that too.
I STILL cannot understand why they did it that way...
Was it really that necessary to have such "poor" (to us) selectivity?
Ken W7EKB
More information about the ARC5
mailing list