Data redazione: 25/07/03
R.V.R. Elettronica S.r.l. (BO)
VJ30000-TE - R.F. Tube Amplifier
18
TABLE F PROJECT STRUCTURE SPECIFICATIONS
Amplifier cavity of the tetrode final stage 1/4 tuned with capacitor output coupling.
Grounded-grid configuration of the Final stage tetrode through by-pass capacitors.
Filter for output armonics attenuation the 9th order shunt type at concentraded constants installed
inside of the rack.
Filter for middle stage armonics attenuation of the 9th order at concentraded constants.
Aircooling fans for each equipment.
Power supply with insertion at two steps to limite the insertion overcurrents.
Inductive-capacitor filter on the tetrode anode power supply.
Capacitors for high voltages in film in no PCB oil (no polarized).
Power resistors not connected in series to tetrode anode power supplies of the final stage to limite
the energy of possible anodic discharges.
Stabilized tetrode filament power supply with electromechanical voltage stabilizer.
Single control and screen grid power supply and supplied by electromechanical voltage stabilizer.
Bleeder resistors on both grid power supplies.
Single protection circuits for each equipment.
Overvoltage soppression circuits on data line and internal measures.
Electronic corcuits protect against discharges coming from anode power supply.
Protection circuit against electrical arcs inside the amplifier cavity.
Each device under voltage is protected by fuses.
For personal safety each circuit is interrupted from the high voltage supply.
On the fron panel the general switch interrupts only the line of low power.
