Tektronix 511 Instruction Manual page 49

Fig. 4-25. Amplified sweep sawtooth of X2 de­
flection plate, 10 (isec recurrent
sweep. Amplitude 200 volts.
Fig. 4-27. The same pulse at V2 grid. Negative
Trigger polarity. Amplitude .25 volt.
These photographs should be used in conjunction with the
Adjustment section of this manual during adjustment of the
video amplifier.
Fig. 4-29. Normal response
square wave.
VIDEO AMPLIFIER WAVEFORMS
to a 50-cycle
T Y P E 5 1 1 - M A I N T E N A N C E
Fig. 4-26. 1 iisec negative pulse at VI grid
from either video amplifier or TRIG­
GER INPUT.
Fig. 4-28. The same pulse, amplified, at V2
plate. Amplitude 5 volts.
Fig. 4-30. Response to 50 cycle square wave
when low-frequency compensation is
excessive, indicating need for ad­
justment of R99 and/or R116.
Amplitude .5 volt.
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