[minima] Re: J310 mixer question

  • From: <jerry@xxxxxxxxxxxxxxxx>
  • To: minima@xxxxxxxxxxxxx
  • Date: Tue, 25 Feb 2014 18:14:27 -0700

On the schematic the arrow for the gate is centered meaning the device
is symmetrical. The drain and source can be switched with no ill
effects.  Jerry

K5LRU
Harwood, Texas

> -------- Original Message --------
> Subject: [minima] Re: J310 mixer question
> From: "Steve VK2SJA" <vk2sja@xxxxxxxxxxx>
> Date: Tue, February 25, 2014 4:51 pm
> To: minima@xxxxxxxxxxxxx
> 
> 
> Hi Giorgio,
> 
> Short answer. Does not matter. The J310 device is "symmetrical".
> 
> For the long answer, look for the section entitled "Symmetrical
> Construction" in the link below:-
> 
> http://www.cliftonlaboratories.com/jfet_variation.htm
> 
> 73, Steve.
> 
> 
> > Hi
> > I have a doubt about J310 connections:
> >
> > are the 2 pin connected together to the  trimmer via 4k7 resistor the
> > drains or sources?
> >
> > Sorry if this question was already andwered but I don't find any info.
> >
> > Thanks
> >
> > 73 Giorgio
> >
> > Inviato da iPhone
> >

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