Product category:
Communications ICs (Wired)
News Release from: Nu Horizons Electronics Corp | Subject: Atmel T4227 and U4223B
Edited by the Electronicstalk Editorial
Team on 05 March 2002
Time code receivers use nationwide
transmission
Now available from DT Electronics are two time-code receivers by Atmel that are ideal for radio-controlled clock applications such as programmable central heating timers.
Now available from DT Electronics are two time-code receivers by Atmel that are suitable for radio-controlled clock applications such as vehicle dashboard clocks, programmable central heating timers, alarm clocks and any clock application where real time accuracy is needed Both time-code receivers take real time data from a nationally broadcast reference signal, and can be synchronised to this signal by a microprocessor as often as necessary to suit the application during a given time period
This article was originally published on Electronicstalk on 25 Mar 2004 at 8.00am (UK)
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Particularly beneficial to users is the fact that changes due to daylight saving are automatically executed.
The Atmel T4227 and U4223B time-code receivers are bipolar integrated straight through receiver circuits and feature low power consumption coupled with very high sensitivity 0.4uV in the case of the T4227.
Both units feature a power down mode, AGC hold mode and require only a few external components to build a complete clock.
The U4223B includes an A/D convertor with a 4bit digital output.
Featuring a complementary output stage, the T4227 is ideal for use in low- voltage battery applications accepting a supply voltage range of 1.1 to 3.6V.
The device operates in the frequency range 40 to 120kHz, whereas the U4223B is for use from 40 to 80kHz.
Packaging for the T4227 is SSO16, while the U4223B uses the SSO20 style.
DT is able to supply parts from stock and importantly, engineering help and support via its experienced in-house team of application engineers.
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