Download THE TRIODE BOARD

1. Features
All on one PC board – simplifies external wiring
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Cathode bias supply: adjustable 3-30V, precision regulated up to 2.5A or more.
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Grid and anode current metering, with meter protection.
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Status output to four LEDs.
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Relay TX/RX switching.
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Warm-up timer – also controls High Voltage.
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Grid current and HV monitored – protects sensitive grids from overdrive.
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Anode current monitored for surge protection – also controls your High Voltage
supply.
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12/24V DC supply for external relays (uses external mains transformer).
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Highest RFI immunity – high-level CMOS logic, extensive RF filtering and
groundplane shielding.
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Quality double-sided PC board measures 5.7in x 3.3in.
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Designed for ‘key down forever’ reliability.
The Triode Board: AN-2
Issue 1.7 for board v2.4, June 2011
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