Download The Triode Board

!
WARNING
These notes are intended for users who have sufficient experience
to work safely with high-voltage circuits.
Use at your own risk! We cannot accept responsibility for any
damage or injury.
DANGER - AC mains voltage and high DC voltages!
REVISION NOTES
AN-2 Issue No
1.0, September 1999
Triode Board Issue No
2.4
(first production boards)
Revision Details
Revised after extensive pre-release testing.
1.1, October 1999
2.4
R24 changed to 3K3; note about HV metering.
1.2, April 2000
2.4
Minor updates and typos, change of Internet and
WWW addresses.
1.3, January 2002
2.4
Minor updates to component list.
1.4, April 2002
2.4
Updated components list, and part numbers in
schematics and main text
1.5, April 2002
2.4
Reformatted to A4; new US distributor; included
AN-5 as Appendix 1
‘European’ Component Markings
‘R’ in resistor values means Ω, e.g.
15R = 15Ω, 3K3 = 3.3kΩ, 1M0 =
1.0MΩ etc.
For better readability, the multiplier
letter replaces the decimal point,
so 0R33 = 0.33Ω, 1K0 = 1.0kΩ etc.
The same applies to small
capacitors, e.g. 4n7 = 4.7nF
(nanofarads) = 4,700pF.
Triode Board: AN-2
Issue 1.5 for board v2.4, January 2003
2
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