[sdiy] jörgens tri vco-bcv62

cj3000 at gmx.de cj3000 at gmx.de
Mon Jan 27 11:52:41 CET 2003


hello list,

i wanted to report that i succesfully build jörgens tri vco core with a
bcv62 (rené schmitz told me the hint after asking about taking bc847bs´s for the
smd 2040 vcf, where you also need pnp pairs) instead mat 03.  it seems to
work pretty good, although i don´t know how temperatur will affect the output. 
i just extended the pcbsolution jörgen made for the exp converter(bc847bs
+tempco) and will put some "wärmeleitpaste" on it.

know i wanted to know how i can change the frequency range, because with the
values shown on jörgens site it does not go under 1Hz and i also want to use
it as vclfo.

chriss

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