:: fluxmonkey pcbs ::


111 Ring Modulator

All discrete ring mod based on the one half of the Buchla 111 circuit (original 111 was a dual; this PCB is for a single ring modulator). Adapted from PCB design by vtl5c3

PCBs are $15.00 @ — ORDER HERE


Bill of Materials (value/qty)

  • Resistors
    • 10r x 2
    • 10k x2
    • 100k x2
    • 1k5 x4
    • 220r X2
    • 2k2 x1
    • 22k x1
    • 330r x2
    • 3k3 x5
    • 33k x1
    • 47r x3
    • 680r x6
    • 6k8 x4
    • RA 22k x2 (optional input attenuators)
    • RB 1k x2 (optional input attenuators)
  • Capacitors
    • 2n2 x2
    • 0.1uf x 1
    • 4.7uf x2
    • 5.6uf x2
    • 10uf x1
  • Transistors
    • 2n3904 x7
    • 293906 x3
  • Misc.
    • .100" 4-pin power header x1
    • ferrite bead x1
 

Build Notes

  • Build Notes here
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