4. Amplifiers
  5. With semiconductor amplifying device
  6. Including differential amplifier

Bengt O. Berg

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Apparatus in a loudspeaking telephone set for supplying power to

Telephonic communications – Substation or terminal circuitry – For loudspeaking terminal
Patent

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Balanced amplifier output stage

Amplifiers – With semiconductor amplifying device – Including differential amplifier
Patent

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Gain control circuit

Amplifiers – With semiconductor amplifying device – Including differential amplifier
Patent

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High input impedance low output impedance amplifier

Amplifiers – With semiconductor amplifying device – Including combined diverse-type semiconductor device
Patent

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Profile ID: LFUS-PAI-P-715307

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