t4224b-cf ETC-unknow, t4224b-cf Datasheet
t4224b-cf
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t4224b-cf Summary of contents
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Time Code Receiver Description The U4224B is a bipolar integrated straight through receiver circuit in the frequency range kHz. The device is designed for radio controlled clock applications. Features D Very low power consumption D Very ...
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U4224B Pin Description Pin Symbol Function Supply voltage Amplifier – Input 3 GND Ground 4 SB Bandwidth control 5 Q1A Crystal filter 1 6 Q1B Crystal filter 1 7 REC Rectifier output ...
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Q1A, Q1B In order to achieve a high selectivity, a crystal is con- nected between the pins Q1A and Q1B used with the serial resonance frequency of the time code transmitter (e.g. 60 kHz WWVB, 77.5 kHz DCF ...
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U4224B Q2A, Q2B According to Q1A, Q1B a crystal is connected between the pins Q2A and Q2B used with the serial resonance frequency of the time code transmitter (e.g. 60 kHz WWVB, 77.5 kHz DCF or 40 kHz ...
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Afterwards, the two frequencies where the voltage of the rf signal at the probe drops 3 dB down can be measured. The difference between these two frequencies is called the bandwidth BW of the antenna circuit. As the value A ...
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U4224B Electrical Characteristics reference point pin 3, input signal frequency 80 kHz Parameters Test Conditions / Pin Supply voltage range Supply current without reception signal with reception signal = 200 OFF-mode Set-up time after ...
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Parameters Test Conditions / Pin Decoding characteristics JG2AS based on the values of the application circuit page KEIN MERKER: TCO pulse width 200 ms TCO pulse width 500 ms TCO pulse width 800 ms Delay compared with the transient of ...
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U4224B Test Circuit (for Fundamental Function) Vd 1.657V 300k Stco Vtco U4224B 100k Ivcc V STABILISATION CC Iin 1M IN GND Vin Vsb 8 (17) Test point: DVM with high and low input Ipon current ...
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Application Circuit for DCF 77.5 kHz + V CC Ferrite Antenna 77.5 kHz res U4224B 5 2) 77.5 kHz 6.8 nF Application Circuit for WWVB 60 kHz + V ...
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U4224B Application Circuit for JG2AS 40 kHz + V CC Ferrite Antenna kHz res U4224B kHz 680 220 ...
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... PAD Coordinates The T4224B is the die version of the U4224B. DIE size: 2. " PAD size: 100 x 100 m (contact window Thickness: 300 Symbol x-axis/ m IN1 128 IN 128 GND 354 SB 698 Q1A 1040 Q1B 1290 REC 1528 INT 1766 ...
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U4224B Information Regarding German Transmitter Station: DCF 77, Frequency 77.5 kHz, Transmitting power coding when required Example:19. sec minutes Start Bit Modulation: ...
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Information Regarding British Transmitter Station: MSF Frequency 60 kHz Transmitting power 50 kW Location: Teddington, Middlesex TIME FRAME 1 MINUTE year switch over to the next time frame 0 1 500 ms 500 ms Example: ...
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U4224B Information Regarding US Transmitter Station: WWVB Frequency 60 kHz Transmitting power 10 kW TIME FRAME 1 MINUTE hours minutes Example: UTC 18.42 h TIME FRAME seconds ...
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... The carrier amplitude is 100% at the beginning of each se- cond and is switched off after 500 ms (binary one) or after 800 ms (binary zero). Ordering and Package Information Extended type number U4224B-CFL U4224B-CFLG3 T4224B-CF T4224B-CC TELEFUNKEN Semiconductors Rev. A3, 02-Apr-96 Location: Sanwa, Ibaraki Geographical coordinates 11’ N, 139 _ 51’ E Time of transmission: permanent ...
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U4224B Dimensions in mm Package (17) 94 8961 TELEFUNKEN Semiconductors Rev. A3, 02-Apr-96 ...
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Ozone Depleting Substances Policy Statement It is the policy of TEMIC TELEFUNKEN microelectronic GmbH to 1. Meet all present and future national and international statutory requirements. 2. Regularly and continuously improve the performance of our products, processes, distribution and operating ...