G4USP

Page last updated: 08/11/2014

Time Domain Reflectometer parts list

 

Complete parts listing for the Components tester

 Resistors

  • R1      33k    2%
  • R2      150R  2%
  • R3      100R
  • R4      100R
  • R5      100R
  • R6      100R
  • R7      100R
  • R8      100R
  • R9      100R
  • R10    100R
  • R11    47R
  • R12    56R
  • R13    100R
  • R14    100R
  • R15    100R
  • R16    470R
  • R17    560R
  • R18    1K
  • R19    1K2
  • R20    1K2

all fixed resistors ¼w carbon composition.

 Capacitors

  • C1      22p    2%
  • C2      47p    2%
  • C3      100p  2%
  • C4      220p  2%
  • C5      470p  2%
  • C6      1n     2%
  • C7      2n2    2%
  • C8      4n7    2%
  • C9      10n    2%
  • C10     22n   2%
  • C11     100n
  • C12     100n

 

 Miscellaneous

  • IC1      7812
  • IC1      74AC14
  • LED1   5mm LED

 Switches and Connectors

  • S1      SP10W PCB mount switch (pulse width)
  • S2      SP6W PCB mount switch (cable impedance)
  • S3      SPST chassis mount switch (power)
  • X1      PCB mounting BNC socket (scope trig input)
  • X2      PCB mounting BNC socket (DUT)
  • X3      PCB mounting BNC socket (scope X input)

 Miscellaneous

  • Enclosure to suit
  • connection wire
  • Battery connector
  • 2x BNC to BNC cable

 

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