The Triode Board

Control and Protection
for your
Triode RF Power Amplifier

Tried and tested – over 750 in use world-wide!

Order Triode Board or Triode Board KIT

CONTENTS

Features

Download the complete Triode Board Manual

'Universal' Control Unit for your Triode Power Amplifier

• Ideal for your new amplifier –
  or a 'drop-in' upgrade for your existing PA

• Simple wiring to one compact PC board

• Protects your Triodes, and helps them deliver a high-quality signal

• Versatile – use with either one or two tubes, including 3-500Z, 3CX800, 8877/3CX1500, GS35b, GI7b, TH308, YD1336 

• Easy to build – detailed 'how-to' instructions in 38-page User Manual

• Highest RFI immunity – high-level CMOS logic, extensive RF filtering, groundplane shielding

• Designed for 'key-down forever' reliability

• Compact – only 5.7 x 3.3in (145 x 84mm) 
  Height above chassis can be as low as 1.5in (38mm)

• Tried and tested – over 750 in use world-wide, with many different tubes from Top Band to microwaves!

• Cathode bias supply:  adjustable 3-33V, precision regulated up to 2.5A or more

• Grid and anode current metering, with meter protection

• Status output to four LEDs

• Relay TX/RX switching

• Warm-up timer – also controls your High Voltage supply

• Grid current and HV monitored – fast trip circuits protect your triodes

• Anode current monitored for surge protection – also controls mains to your High Voltage supply

• 12/24V DC supply for external relays (uses external mains transformer).