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DD300996A7
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Preselection stage for two frequency ranges
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DD290759A5
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Oscillator level with large frequency variation range
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DD287133A5
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Circuit arrangement for image size stabilization
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DD279131A1
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Selection level with switchable parallel resonance circuits
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DD276382A1
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Pre-selection circuit for several frequency ranges
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DD275562A1
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Circuit arrangement for automatic frequency tuning
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DD274308A1
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Locking transformer switching part with standby operation
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DD272556A1
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Method for tuning high-frequency receivers, especially television receivers
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DD284787A5
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Circuit arrangement for automatic frequency tuning
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DD263169A1
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Circuit arrangement for obtaining control signals for a microprocessor used for tuner tuning
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DD263871A1
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UHF tuning
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DD260597A1
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Sekundaer circuit for switching parts
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DD256215A1
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Tunable belt filter for one or more frequency ranges
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DD256222A1
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Circuit arrangement for automatic frequency tuning
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DD256214A1
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Circuit arrangement for mirror shaft suppression
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DD256216A1
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Microprocessor-controlled channel probe with band filter tuning
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DD250818A1
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Circuit arrangement for amplification in multiport reception levels
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DD245324A1
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Method and arrangement for the foreign magnetization of in-line color pipes
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DD244874A1
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Circuit arrangement for automatic frequency tuning
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DD245323A1
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Circuit arrangement for automatic frequency tuning
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