Agilent Technologies - 8904A

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Contents

8904A 04 SERVICE NOTE SUPERSEDES None 8904A Multifunction Synthesizer Option 006 H16 Serial Numbers 2948A04593 2948A04693 Replacement of Audio Transformer to Correct Inverted Waveform Parts Required 9100 4833 Audio Transformer Situation Some 8904A Multifunetion Synthesizer Option 006 H16 with serial numbers listed above may have inverted OUTPUT 1 waveforms This is because the primary of Audio Transformer T1 was wound backwards resulting in a 180 degree phase shift from the pri mary to the secondary OUTPUT 2 waveforms are not affected The most noticeable waveform is the ramp because it is asymmetrical Sinewave square and triangle waveforms are inverted but are less noticeable because they are symmetrical Normally the ramp waveform starts a ...