[minima] Re: Resistor in main board pcb
- From: Leonardo Ramirez <ea7kb@xxxxxxxxxxx>
- To: "minima@xxxxxxxxxxxxx" <minima@xxxxxxxxxxxxx>
- Date: Wed, 5 Feb 2014 20:20:30 +0100
No problem Adrian
Very good job making the pcbs , thanks.
EA7KB
> From: jerry@xxxxxxxxxxxxxxxx
> To: minima@xxxxxxxxxxxxx
> Subject: [minima] Re: Resistor in main board pcb
> Date: Wed, 5 Feb 2014 12:14:10 -0700
>
> Don't feel bad Adrian, I missed it too, and I did a parts count, three
> times. The first time I came up one short, but a second and third count
> came out right. That's why it's always good to build one board before
> ordering a bunch. But everybody is excited to build this neat little
> transceiver. I hope that's all we missed. Jerry
>
> K5LRU
> Harwood, Texas
>
> > -------- Original Message --------
> > Subject: [minima] Re: Resistor in main board pcb
> > From: Adrian Preda <ady.preda@xxxxxxxxx>
> > Date: Wed, February 05, 2014 12:43 pm
> > To: "minima@xxxxxxxxxxxxx" <minima@xxxxxxxxxxxxx>
> >
> >
> > Hi group,
> >
> > Shame for me I left that resistor out of he pcb...I simply forgot about it.
> >
> > A solution can be by placing the 4k7 (or 47k) instead of that jumper on
> > digital board. But, in this way, pins T/R becomes PTT, and viceversa. It
> > can be a solution without scratching the PCB.
> >
> > @Sandeep, I was very busy this days with work, I couldn't reply in time to
> > your remarks regarding PCB production. I read now all the post, and see
> > you managed to make the masking ok. If you need anything I will help you
> > asap.
> >
> > Adrian
> > YO4HHP
> >
> >
> > ________________________________
> > From: Sandeep Lohia <sandeeplohia12@xxxxxxxxx>
> > To: minima@xxxxxxxxxxxxx
> > Sent: Wednesday, February 5, 2014 5:56 PM
> > Subject: [minima] Re: Resistor in main board pcb
> >
> >
> > M bit confused abt 47k or 4K7, till I have PCB in my hand...
> >
> > anyways thanks 4 correction note...
> >
> > On 05/02/2014, Sandeep Lohia <sandeeplohia12@xxxxxxxxx> wrote:
> > > We might skip this cutting also (see attachment)
> > >
> > > By installing 4.7 K inside Header connector wire ( wire which connects
> > > both boards) See T/R or PTT.
> > >
> > >
> > >
> > >
> > >
> > > On 05/02/2014, Leonardo Ramirez <ea7kb@xxxxxxxxxxx> wrote:
> > >> I had to add a 47k resistor and works well, with 4.7k with the Atmel
> > >> remained in TX.
> > >>
> > >> 73.
> > >>
> > >>
> > >>> Date: Wed, 5 Feb 2014 20:53:16 +0530
> > >>> Subject: [minima] Re: Resistor in main board pcb
> > >>> From: sandeeplohia12@xxxxxxxxx
> > >>> To: minima@xxxxxxxxxxxxx
> > >>>
> > >>> Thanks Leo -EA7KB
> > >>>
> > >>> There's a jumper on PIN 5 of Arduino (digital board), hope we can
> > >>> replace jumper with 4.7K resistance (only if PTT still works)...
> > >>>
> > >>> Otherwise we need to cut a small trace ( with surgical hobby knife or
> > >>> shaving blade) scratch remove green-solder-resist-mask & install 4.7 K
> > >>> on back side of MAIN PCB.
> > >>>
> > >>>
> > >>>
> > >>> On 05/02/2014, Leonardo Ramirez <ea7kb@xxxxxxxxxxx> wrote:
> > >>> > Hi guys.
> > >>> > In Main board pcb must be added the base resistance of q23 .
> > >>> > Regards.
> > >>> >
> > >>> > Leo / EA7KB
> > >>> >
> > >>> >
> > >>> >
> > >>>
> > >>>
> > >>> --
> > >>> --
> > >>> Please encourage recycling, reuse or repairing of E-waste.
> > >>> ░7░3░ ░d░e░ ░V░U░3░S░X░T░
> >
> > >>>
> > >>
> > >
> > >
> > > --
> > > --
> > > Please encourage recycling, reuse or repairing of E-waste.
> > > ░7░3░ ░d░e░ ░V░U░3░S░X░T░
> > >
> >
> >
> > --
> > --
> > Please encourage recycling, reuse or repairing of E-waste.
> > ░7░3░ ░d░e░ ░V░U░3░S░X░T░
>
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