[sdiy] varactor/varicaps?

[bbob]

I did a VC radio, based on a Ramsey kit that used a varactor in the
tuning circuit.  worked, but not as useful as i'd hoped...



On Thu, Nov 18, 2010 at 3:56 PM,  <lanterma at ece.gatech.edu> wrote:
> They're kind of useless for audio - there's not enough variation
> available. They're really for radio frequencies.
>
> I had a student try to build a filter with them once, no success at
> all. Rapidly switched to another project.
>
> Sent from my iPhone
>
> On Nov 18, 2010, at 3:40 PM, "dan snazelle" <subjectivity at hotmail.com>
> wrote:
>
>> anybody know much about varicaps? they sound too good to be
>> true...voltage variable capacitance up to 200pf?
>>
>>
>> of course a lot of them come in weird form-factors (sot-23,etc)
>>
>> anyway, wondered why i never see them in any projects.
>>
>> thanks
>>
>>
>>
>> _______________________________________________
>> Synth-diy mailing list
>> Synth-diy at dropmix.xs4all.nl
>> http://dropmix.xs4all.nl/mailman/listinfo/synth-diy
> _______________________________________________
> Synth-diy mailing list
> Synth-diy at dropmix.xs4all.nl
> http://dropmix.xs4all.nl/mailman/listinfo/synth-diy
>