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U4223B

Part Number	U4223B
Manufacturer	ATMEL Corporation
Description	Time-Code Receiver with A/D Converter
Published	Apr 16, 2005
Detailed Description	U4223B Time-Code Receiver with A/D Converter Description The U4223B is a bipolar integrated straight-through receiver ci...
Datasheet	U4223B PDF File

Overview

U4223B Time-Code Receiver with A/D Converter Description The U4223B is a bipolar integrated straight-through receiver circuit in the frequency range of 40 kHz to 80 kHz.
The device is designed for radio-controlled clock applications.
Features D Very low power consumption D Very high sensitivity D High selectivity by using two crystal filters D Power-down mode available D Only a few external components necessary D 4-bit digital output D AGC hold mode Block Diagram PON VCC 1 GND 16 Power supply 3 9 Impulse circuit 2 4 AGC amplifier 5 6 14 15 Rectifier & integrator 7 REC 8 INT 13 SL CLK D3 12 17 D2 18 ADC D1 19 D0 20 Decoder 11 10 FLB FLA DEC IN SB Q1A Q1B Q2A Q2B Figure 1.
Block diagram O...

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