Date: 25/07/03
R.V.R. Elettronica S.r.l. (BO)
VJ8000-TR - R.F. Tube Amplifier
42
CHAPTER 4
TUBE MEASURES CARD CALIBRATION
4.1
NOTICE
Pay attention, this calibration is been executed initially on the final power amplifier during
the checking test, only in case of card replacement, after that is been verified that is the
cause of the equipment anomaly, is necessary to proceed to the calibration of the card as
described later on. Before to proceed to the calibration, check on the card if J3 is in short
circuit, and if it’s verified, the card is been configured for a tetrode amplifier.
If the short-circuit is on J4 the card is been set for a triode amplifier.
4.2
INTRODUCTION
To calibrate the measures card for tube amplifiers, placed near to mains voltage switch in
the rear part of the high tension panel, 9 HE (fig.3 ), it’s necessary to have:
-N_1 power supply 0-20V, 0-10 adjustable both in tension and in current.
-N_1 multimeter.
Summary of Contents for VJ8000-TR
Page 4: ...Date 25 07 03 R V R Elettronica S r l BO VJ8000 TR R F Tube Amplifier 4 ...
Page 43: ...Date 25 07 03 R V R Elettronica S r l BO VJ8000 TR R F Tube Amplifier 43 N_1 DC ammeter ...
Page 49: ...Date 25 07 03 R V R Elettronica S r l BO VJ8000 TR R F Tube Amplifier 49 ...
Page 66: ...Date 25 07 03 R V R Elettronica S r l BO VJ8000 TR R F Tube Amplifier 66 ...