◊ PCB Documentation

160 Noise Generator

All discrete noise source based on the Buchla 160 circuit. Produces both flat and 1/f noise outputs.

• Noise Source Schematic
• FPD front panel file (New!)

PCBs are $15.00 @ — ORDER HERE

Bill of Materials (value/qty)

• Resistors
  • 47r x 1
  • 100r x 1
  • 220r x 3
  • 1k x 3
  • 3k3 x 2
  • 4k7 x 2
  • 6k8 x 5
  • 10k x 9
  • 22k x 3
  • 33k x 1
  • 47k x 3
  • 100k x 1
• Capacitors
  • 100 pf x 1
  • 470 pf x 3
  • .001uf x 1
  • .0022 uf x 2
  • .022 uf x 2
  • 0.1 uf x 4
  • 10uf x 2
  • 100 uf x 3
• Transistors
  • 2N4916 x 3 *
  • Pn3565 x 7
• Inductor
  • 50mH inductor (Mouser 542x6310xRC or 542x70F502xRC, or similar)
  Misc.
  • ferrite bead x1

*Note: Q1 should be selected for best noise quality.
Jon has reported successfully using PN4250 in place of the obsolete 2N4916; pin-out may vary by manufacturer.