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U4224B - Time Code Receiver

General Description

The U4224B is a bipolar integrated straight through receiver circuit in the frequency range of 40 to 80 kHz.

The device is designed for radio controlled clock applications.

Key Features

  • D D D D Very low power consumption Very high sensitivity High selectivity by using two crystal filters Power down mode available D Only a few external components necessary D Digitalized serial output signal D AGC hold mode Block Diagram PON GND VCC 3 1 15 Power Supply TCO 16 Decoder 93 7727 e 11 10 9 FLB FLA DEC IN 2 4 SB Q1A AGC Amplifier 5 6 13 14 Q2B Rectifier & Integrator 7 REC 8 INT 12 SL Q1B Q2A.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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U4224B Time Code Receiver Description The U4224B is a bipolar integrated straight through receiver circuit in the frequency range of 40 to 80 kHz. The device is designed for radio controlled clock applications. Features D D D D Very low power consumption Very high sensitivity High selectivity by using two crystal filters Power down mode available D Only a few external components necessary D Digitalized serial output signal D AGC hold mode Block Diagram PON GND VCC 3 1 15 Power Supply TCO 16 Decoder 93 7727 e 11 10 9 FLB FLA DEC IN 2 4 SB Q1A AGC Amplifier 5 6 13 14 Q2B Rectifier & Integrator 7 REC 8 INT 12 SL Q1B Q2A TELEFUNKEN Semiconductors Rev.