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Re: uBITX - A reboot of the old BITX

 

On Mon, Mar 6, 2017 at 07:02 am, Ashhar Farhan wrote:
The inductor values are in the schematic. You can calculate the turns from
- f

Ashhar, Here's my first attempt from posts, the schematic, and from your web text. ?Please confirm T1 thru T11 and the choice of 26 AWG. ?Please also provide winding details for T5 and T6, and T10 and T11.

Thanks sir!

Core Color Turns
T1 FT 37-43 Black 8:8:8 trifilar 8 turns/inch 26 AWG
T2 FT 37-43 Black 8:8:8 trifilar 8 turns/inch 26 AWG
T3 FT 37-43 Black 8:8:8 trifilar 8 turns/inch 26 AWG
T4 FT 37-43 Black 8:8:8 trifilar 8 turns/inch 26 AWG
T5 FT 37-43 Black 4:1
T6 FT 37-43 Black 4:1
T7 FT 37-43 Black 8:8:8 trifilar 8 turns/inch 26 AWG
T8 FT 37-43 Black 8:8:8 trifilar 8 turns/inch 26 AWG
T9 FT 37-43 Black 8:8:8 trifilar 8 turns/inch 26 AWG
T10 FT 37-43 Black ?
T11 FT 37-43 Black 8T:10T
Calculated: toroids.info/T37-6php
L1 330 nH T 37-6 Yellow 10.5
L2 390 nH T 37-6 Yellow 11.4
L3 390 nH T 37-6 Yellow 11.4
L4 330 nH T 37-6 Yellow 10.5
L5 720 nH T 37-6 Yellow 15.5
L6 720 nH T 37-6 Yellow 15.5
L7 720 nH T 37-6 Yellow 15.5
L8 60 uH FT 37-43 Black 13.1
L9 60 uH FT 37-43 Black 13.1
L10 360 nH T 37-6 Yellow 11.0
L11 1.1 uH T 37-6 Yellow 19.1
L12 180 nH T 37-6 Yellow 7.7
L13 1.0 uH T 37-6 Yellow 18.3
L14 360 nH T 37-6 Yellow 11.0
L15 1.1 uH T 37-6 Yellow 19.1





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