Doepfer

--- Dieter Doepfer <hardware@doepfer.de> wrote:
> From: "Dieter Doepfer" <hardware@doepfer.de>
> To: "Bakis Sirros" <synth_freak_2000@yahoo.com>
> Subject: AW: [Doepfer_a100] I like the new modules -
> thumbs up.
> Date: Thu, 3 Jul 2003 17:55:59 +0200
> 
> Bakis, please forward ...
> 
> > Concerning the Vu meter I find 100 euro ok as a
> price but then it has to
> include many of
> > the functions that has been discussed here, you
> all know the features that
> has been up,
> > cromatic tuner etc.... I can even consider paying
> more if it turns out
> > really good, but for something very basic and a
> bit flimsy I think 100 is
> > too much for me. So a prospect of features on the
> planned VUmodule would
> > help to tell if the price is fair or not.
> 
> I think this will not be possible. Here is a simple
> calculation (our
> purchase prices):
> 
> meter 44 GBP ~ 65 Euro
> front panel ~ 15...20 Euro
> pcb ~ 5 Euro
> 
> So our purchase price will be at least 80 Euro
> without charges for
> development, assembly, writing manuals and so on.
> And you have to take into
> consideration that we have to give discount to every
> dealer/representative.
> So I have to correct myself. 100 Euro is too less
> for the final price of the
> VU (you will understand that we want to earn a few
> bugs too).
> 
> 
> > I am also a bit curious about the 196, what kind
> of cheap VCO is in that
> unit that makes it cheaper than a
> > standard VCO? Can it also be used as a plain VCO?
> 
> The VCO in the A-196 is very simple as it is part of
> a closed-loop
> frequency-feedback system. It is not very stable (no
> temperature
> compensation), has only linear control input and
> only rectangle output with
> ~ 50% PW. For the PLL application this is OK as the
> frequency of the VCO is
> controlled in the feedback loop and the
> disadvantages mentioned above do not
> make any differences in the PLL application.
> Actually the VCO is part of the
> PLL circuit  used in the A-196 (insiders will know
> the 4046 PLL). The A-196
> VCO can be used a simple linear VCO but cannot be
> compared to the A-110 or
> A-111 that have exponential control, temperature
> compensation, different
> waveform outputs and PWM for the rectangle). These
> two parts of the normal
> VCO circuits (temperature compensated exp converter)
> are the large-scale
> parts of the circuit. We already considered a
> low-cost VCO bank made of
> several linear VCOs (4046 type) but we are not sure
> if this really makes
> sense.
> 
> Best wishes
> Dieter Doepfer
> 


=====
synthfreak(parallel worlds)
athens-greece
[Doepfer_a100] group owner

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