The Fairchild μA726, designed by Bob Widlar, consists of two matched NPN transistors and a temperature control circuit that maintains a constant chip temperature.[1]

Fairchild μA726 in TO-99 package

Synthesizers using the uA726

DIY

Prebuilt

  • Buchla 258 VCO
  • Buchla 259 VCO
  • Buchla Model 208 (Music Easel) - the modulation oscillator, not the principle oscillator.[2]
  • Crumar Spirit
  • EML 101, one for filter one for VCO
  • Kawai 100F/110F
  • Kawai 100P
  • Korg Trident mkII
  • Moog Minimoog
  • Moog Polymoog
  • Moog Sonic Six
  • Polyfusion Series 2000
  • RSF Kobol
  • Roland Jupiter-4
  • Roland ProMars MRS-2
  • Roland SH-1
  • Roland SH-2
  • Roland SH-5
  • Roland SH-7
  • Roland SH-09
  • Roland system 100 - Synthesizer 101
  • Roland system 100 - Expander 102
  • Roland System 100M
  • Roland System 700[3][4][5]

References

  1. ^ Formant – the Elektor Music Synthesiser (4) by C. Chapman, Elektor, Oct 1977, p. 42
  2. ^ Fairchild uA726, Synth-DIY email list, Sep 2009
  3. ^ Ua 726 usage in which synths, Synth-DIY email list, Aug 1999
  4. ^ ua726 in Roland synths, Synth-DIY email list, Aug 1999
  5. ^ A table listing hardware attributes, SD Synth Architecture Notes

External links

  • uA726 Replace, TonAtelier Lauter, Germany
  • pA726 PCB only for drop-in replacement, Portabellabz.be

Data sheet

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