Part Number
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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
|
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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