[sdiy] oscilloscope single/dual ?

[Scott Gravenhorst]

Fernando de Izuzquiza <fdi at ran.es> wrote:
>Thanks to all that answered!
>
>I see it's better to go dual channel, I see I will use 8 channels if I
>could... you are right.
>
>What I don't like is that 20MHz and up are so big and heavy...(and the
>price, $285 VS $550)
>But it's a trade I guess

My dual is 20MHz, hardly that heavy or big, brand new it was $299 two years
ago.  It's not a dual beam, but does show two waveforms at the same time...
 BK Precision 2120

>
>f
>*
>
>---------  mensaje original --------
>Enviado por : Scott Gravenhorst <music.maker at gte.net>
>Enviado a: synth-diy at dropmix.xs4all.nl <synth-diy at dropmix.xs4all.nl>
>Asunto: Re: [sdiy] oscilloscope single/dual ?
>Fecha: 28-06-04 22:46
>
>> I've had both dual and single trace scopes.  Dual wins by a goodly
>margin.  Some things can be done with add/subtract, others are not so
>easy.  Plus the add/subtract is built in on a decent dual trace, plus the
>ability to trigger off of either channel.
>
>If this is a democracy, I vote dual.
>
>Fernando de Izuzquiza <fdi at ran.es> wrote:
>>
>>Hi,
>>
>>I've seen a new scope 10MHz single channel but XY capable and screen is
>>1/2 than usual (about 3''), but is about 30% size of a normal scope and
>>I like that.
>>I'd like some opinions about how important is to have two channels for
>>SDIY... and 3'' V 6'' also.
>>I can add and substract signals before the scope so, it is usual to
>>compare signals or any other duty that asks for a dual channel instead
>>of single?
>>
>>Thank you very much again,
>>
>>Fernando
>
>
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