[minima] Re: Testing KISS Mixer - Some More Data
- From: Sandeep Lohia <sandeeplohia12@xxxxxxxxx>
- To: minima@xxxxxxxxxxxxx
- Date: Tue, 5 Aug 2014 00:25:15 +0530
[forwarding for benefit of those not in EMRFD group]
---------- Forwarded message ----------
From: "Ashhar Farhan farhanbox@xxxxxxxxx [emrfd]" <emrfd@xxxxxxxxxxxxxxx>
Date: Mon, 4 Aug 2014 11:42:05 +0530
Subject: Re: [emrfd] Variable caps in the uk?
To: "emrfd@xxxxxxxxxxxxxxx" <emrfd@xxxxxxxxxxxxxxx>
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comrades,
there were omissions of some connection points and labelling in the
previous diagram. this one has it clarified.
A. both the sources as well as the mid point of the balancing pot go to the
ground.
B. the LO transformer could be anything. It could even be the same old
trifilar transformer that was earlier used with the center tap removed from
the ground and floating. or it could be a simple 1:2 transformer with 5
turns and 10 turns on FT37-43. I used a binocular core as well as a
prewound trifilar transformer (I usually make 10 of them at a time and keep
them in the inductor box).
- f
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