[sdiy] Temperature Compensated VCO attempt - help?

[ASSI]

On Sunday 02 February 2003 01:26, Scott Bernardi wrote:
> Ah, I must correct myself. It is the CA3280 which has the Id current
> doubled.

OK, that was already included in my schematics. But I must say that I 
liked the LM13700 schematics with the two extra mirrors... :-)

> However, Serge also went into analyzing the LM13600, which
> he said showed more distortion as you approached the maximum input
> signal levels than the CA3280 counterpart, especially for the single
> ended input as shown in the National datasheet (and which my circuit
> used).

The CA3280 is more careful with the biasing of the inputs which gives 
it a bit more wiggle room at both ends of the input range.


Achim.
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Q MIDI Implementation:
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