Hello Jim:
"All the parasitics"???
73
Tim K3LR
-----Original Message-----
From: TowerTalk [mailto:towertalk-bounces@contesting.com] On Behalf Of Lux,
Jim
Sent: Saturday, December 26, 2020 9:35 PM
To: towertalk@contesting.com
Subject: Re: [TowerTalk] 4 square - collins hybrid measurements/component
values
On 12/26/20 5:55 PM, Haring family wrote:
> No need to duplicate... check ON4UN/5th. He has a model of the Collins
> coupler included that Roy W7EL made up for EZNEC, I think. Dan AC6LA may
> have something for it for AutoEZ also.
>
> regards,
>
> Dave N3AC
I have the 3rd edition which doesn't have the models. But what I'm
really looking for is measured data on a real box (with all the parasitics).
>
>
> On Sat, Dec 26, 2020 at 2:37 PM Lux, Jim <jim@luxfamily.com> wrote:
>
>> I'm putting together some models and I was wondering if someone has
>> actual measured 4 port data for the LC Collins hybrid.
>>
>> I've got some sample capacitance and inductance values
>>
>> (e.g. for 80m, 436 pF and 2.18 uH)
>>
>> I'm assuming that the transformer is "well coupled" so the mutual L is
>> almost the same as the inductance of the winding.
>>
>>
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