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124 lines
2.2 KiB
124 lines
2.2 KiB
#LyX 2.0 created this file. For more info see http://www.lyx.org/
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\lyxformat 413
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\begin_document
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\begin_header
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\textclass article
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\use_default_options true
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\maintain_unincluded_children false
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\language english
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\index Index
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\shortcut idx
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\end_index
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\tocdepth 3
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\end_header
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\begin_body
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\begin_layout Section
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Ausgangsspannung der PSU:
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\end_layout
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\begin_layout Standard
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Richtig dimensionieren weil:
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\end_layout
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\begin_layout Itemize
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zu hoch: spannung wackelt, unruhe am verstärker
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\end_layout
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\begin_layout Itemize
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zu niedrig: PSU verbrennt unnötig Leistung, Verstärker hat weniger Headroom
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\end_layout
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\begin_layout Standard
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Verfügbare Spannung des Trafo:
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\begin_inset Formula $V_{\sim}\cdot\sqrt{2}=42.42V$
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\end_inset
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\end_layout
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\begin_layout Standard
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Spannungsabfälle unter Volllast (5A):
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\end_layout
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\begin_layout Itemize
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2*0.8V Gleichrichterdioden
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\end_layout
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\begin_layout Itemize
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2V LM317
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\end_layout
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\begin_layout Itemize
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0.7V Basis des Leistungstransistors
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\end_layout
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\begin_layout Itemize
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2.84V Hub am Kondensator (
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\begin_inset Formula $5A\cdot10ms/17.6mF$
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\end_inset
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)
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\end_layout
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\begin_layout Itemize
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Innenwiderstand des Trafos, sagen wir 15% (6.3V)
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\end_layout
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\begin_layout Itemize
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Sicherheitsabstand, sagen wir 2V
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\end_layout
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\begin_layout Standard
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=> 27V
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\end_layout
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\end_body
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\end_document
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