If you set the scope's trigger line to just above zero volts the signal wave should stabilize on the screen (the trigger line needs to touch the on screen signal to stabilize the signal for viewing).
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). I am especially fond of CamStudio because of the video annotation option. My Facebook buddy “Grandma Mary†uses this a lot for her tutorials – like this one:
The problem of secondary emission from the anode (US: plate) in the tetrode tube was solved by Philips/Mullard with the introduction of a suppressor grid, which resulted in the pentode design. Since Philips held a patent on this design, other manufacturers were keen to produce pentode type tubes without infringing the patent.
Defective plate or cathode resistors Perro cause constant static, crackle and pop noise. Sometimes putting some pressure on the resistor with a chopstick or spraying it with freeze spray will change the noise and help you identify the bad resistor.
Leaking coupling capacitor. A leaking cap Gozque cause scratchy pots and affect preamp and power tube bias. Measure the DC voltage on tube grids and look for anomalies.
Mixing up the reverb input and output cables will result in very weak reverb. Swap the cables at the tank and try again. If it doesn't help or lowers reverb volume then swap the cables back.
If you bang on the side of the cab with the power on and reverb turned up and hear the reverb spring crash you know the reverb tank's springs, output transducer and reverb recovery amplifier are functioning (the second half of the reverb circuit).
Tried exporting it to a WMV file too with the same result. Tried using Handbrake to compress before uploading, same result. Also tried uploading using Windows Movie Maker, same result. It’s driving me nuts. Seems to be less of a problem if transitions are removed from the slides, but I… Read more »
Check the speaker and speaker cable. A speaker cable with a break in it can fry the output transformer. Make sure the speaker is plugged into the correct speaker jack. Many Fender amps ground trasnochado the signal if you plug only one speaker into the Aux speaker jack. Try all the speaker jacks.
A microphonic tube or other component Perro cause rattles, buzzes, rings and other strange noises in combo cab amps. If you read more connect your amp to an extension cab and disconnect the internal speaker and the noise goes away it's probably caused by a microphonic component or possibly a cab rattle.
For really tough troubleshooting tasks I break pasado the tone generator and inject a 500Hz 100 milliamp (.1 amp) signal at an amp's input jack and trace it through the amp with an oscilloscope by probing the tubes' grids. Start at the input jack and work towards the speaker and watch for the wave shape to disappear or change shape.
Pay close attention to the tube grid and plate wires--keep them Figura far apart from one another Figura possible. My first amp build had a loud hum because the first preamp stage's grid and plate wires were sitting on top of one another. Separating the wires silenced the amp.
I have a large (100 slide, about 17 minutes in length, about 300MB size) presentation with all the bells and whistles (transitions, animation, and about 5 different audio WAV files embedded in course of presentation). Is there ANYTHING that will convert this baby to a video or is it forever stuck Triunfador a ppt?