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U4221B - Radio Controlled Clock Receiver

General Description

The U4221B is a bipolar integrated straight through receiver circuit in the frequency range of 60 to 80 kHz.

The device is designed for radio controlled clock application.

Key Features

  • D Low power consumption D Very high sensitivity D High selectivity by quartz resonator D Stop-function available D Only a few external components necessary D Digitized serial output signal Block Diagram PON 14 TCO 13 FSI 12 NC 10 VCCD 9 VCCA 16 Power supply Driver Comparator FSS 11 GND 15 AGC CAGC 4 IN2 1 IN1 2 Amplifier 1 Amplifier 2 Demodulator 3 GND (analog) 8 OUTA1 6 INA2 Figure 1. 7 GND (digital) 5 CDEM 93 7506 e.

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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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www.DataSheet.co.kr U4221B Radio Controlled Clock Receiver Description The U4221B is a bipolar integrated straight through receiver circuit in the frequency range of 60 to 80 kHz. The device is designed for radio controlled clock application. Features D Low power consumption D Very high sensitivity D High selectivity by quartz resonator D Stop-function available D Only a few external components necessary D Digitized serial output signal Block Diagram PON 14 TCO 13 FSI 12 NC 10 VCCD 9 VCCA 16 Power supply Driver Comparator FSS 11 GND 15 AGC CAGC 4 IN2 1 IN1 2 Amplifier 1 Amplifier 2 Demodulator 3 GND (analog) 8 OUTA1 6 INA2 Figure 1. 7 GND (digital) 5 CDEM 93 7506 e TELEFUNKEN Semiconductors Rev. A1, 15-May-96 1 (12) Preliminary Information Datasheet pdf - http://www.