[TowerTalk] 4 square - collins hybrid measurements/component values
k3lr at k3lr.com
Sat Dec 26 23:15:11 EST 2020
"All the parasitics"???
From: TowerTalk [mailto:towertalk-bounces at contesting.com] On Behalf Of Lux,
Sent: Saturday, December 26, 2020 9:35 PM
To: towertalk at contesting.com
Subject: Re: [TowerTalk] 4 square - collins hybrid measurements/component
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.
> 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 at 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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