G4USP

Page last updated: 29/09/2012

 Resistors

• R101    1M
• R102    1M
• R103    1k
• R104    10K
• R105    10k
• R106    10k
• R107    10k
• R108    10k
• R109    10k
• R110    10k
• R111    1k
• R112    1k
• R113    1k
• R114    10k
• R115    100k
• R116    10k
• R117    10k
• R118    1k

 all fixed resistors ¼w carbon composition.

 Variable Resistors

• VR101   22k ¼w lin
• VR102   10k ¼w log

  Capacitors

• C101    Disc ceramic   15p
• C102    Disc ceramic   6n8
• C103    Electrolytic     10u
• C104    Disc ceramic   10n
• C105    Disc ceramic   680p
• C106    Disc ceramic   10n
• C107    Electrolytic     4u7
• C108    Disc ceramic   1n
• C109    Electrolytic     100u
• C110    Disc ceramic   100p
• C111    Electrolytic     1u
• C112    Disc ceramic   100n
• C113    Electrolytic     220u

 all polarised capacitors electrolytic 16v,

 all non polarised capacitors disc ceramic 63v.

 Semiconductors

• IC101   LM324N
• IC102   NE555N
• T101    2N3904
• T102    2N3904
• T103    2N3906
• T104    2N3904

 Miscellaneous

• Small loudspeaker (8R, 1w)
• PCB (See PCB track pattern)
• Chassis mount 3 pin XLR socket
• Cable mount 3 pin XLR plug
• PP3 battery
• PP3 battery connector
• Suitable enclosure & fixings

 Resistors

• R1       100k
• R119    560k
• R120    470k
• R121    100K
• R122    680R
• R123    10k
• R124    1k
• R125    3k9

 all fixed resistors ¼w carbon composition.

 Inductors

• L101    ferrite bead

 Capacitors

• C113    Disc ceramic   10n
• C114    Disc ceramic   10n
• C115    Electrolytic     1u

 all polarised capacitors electrolytic 16v,

 all non polarised capacitors disc ceramic 63v.

 Semiconductors

• T103    2N3904
• T104    2N3904

 Miscellaneous

• Eletret microphone
• PCB (See PCB track pattern)
• Chassis mount 3 pin XLR plug
• Cable mount 3 pin XLR socket
• Suitable enclosure & fixings