G4USP

Page last updated: 28/04/2013

100KHz Marker parts list

 

Complete parts listing for the 100KHz Marker

 Resistors

  • R1      10M
  • R2      390R

all fixed resistors ¼w carbon composition.

 Capacitors

  • C1       Trimmer          75p
  • C2       Disc ceramic    22p
  • C3       Disc ceramic    220p
  • C4       Disc ceramic    100n
  • C5       Disc ceramic    100n
  • C6       Electrolytic      100u
  • C7       Electrolytic      100u

all polarised capacitors electrolytic 16v, all non polarised capacitors disc ceramic 63v.

 Semiconductors

  • IC101   78L05
  • IC102   74HCT00N
  • IC103   74HCT373N

 Miscellaneous

  • LED1    3mm green LED
  • Q1       8MHz HC49 crystal
  • PCB     (See PCB track pattern)
  • Suitable enclosure & fixings

 

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