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  • Tahometru digital bicicleta

    2015-01-14 13:25:52105

    Adaugat in Masura/control | fara comentarii Mai multe scheme cu: 4011 4026 tahometre Acesttahometru digital pentru bicicletafoloseste doua relee Reed p...

  • How to build Digital Step-Km Counter Circuit Schematic

    2015-01-14 13:24:4498

    Description This circuit measures the distance covered during a walk. Hardware is located in a small box slipped in pants' pocket and the display is co...

  • Digital Selector with 8 Sources

    2015-01-14 13:22:3682

    Figure 1 The objective of the circuit is to develop an electronic selector coming from 8 sources with an up-down motion in series. 4584 – a CMOS cons...

  • Automotive Analog Extended Range Meter

    2015-01-14 12:39:4965

    Automotive Analog Extended Range Meter Zener diode D1 is used to suppress the first 6 V scale, This is a period of sixto 8 VA useful vehicle electrical...

  • How to Circuit a Digital Speedometer using LM324

    2015-01-14 11:29:52197

    The circuit shown below diagramshow to make a digital speedometerwhich can measure up to 99kmph with a resolution of 1kmph for i.e LML Vespa, Kinetic H...

  • ICL7107 based, 4 channel digital thermometer

    2015-01-14 11:26:42366

    7107 is a old, good and versatile AD converter. Im absolutely sure that 7106-7107 family will be in use since 2005 or maybe more ( in Romania of course...

  • Digital Remote Thermometer

    2015-01-14 10:42:1371

    Remote sensor sends data via mains supply Temperature range: 00.0 to 99.9 ?C Transmitter circuit diagram: Transmitter parts: R1,R3 100K 1/4W Resistors ...

  • Encoding and modulation of digital signals

    2015-01-14 09:43:1674

    We know that digital signals are stored as binary numbers in memory cells. Lets see how these digital signals can be transferred in other words how the...

  • Low Pass Filter with Enhanced Step Response

    2015-01-14 09:35:1881

    Effect on the systems time-domain response is a common problem when designing lowpass filters. The system may fail to recognize significant changes in ...

  • AMC 2V and 3.3V Hot Swap Controller Application with Digital

    2015-01-14 09:29:3066

    View Full Size Image View Original LT Journal The LTC4222 Hot Swap controller allows two power paths to be safely inserted and removed from a live back...

  • Digital Compass

    2015-01-14 09:00:0496

    A four output Hall sensor combined with a few logic gates produce this digital compass. The NOR gates resolve the four Hall outputs into eight distinct...

  • Four-stage Bessel low pass filter circuit diagram

    2015-01-14 08:35:2685

    Reprinted Url Of This Article: http://www.seekic.com/circuit_diagram/Basic_Circuit/Four_stage_Bessel_low_pass_filter_circuit_diagram.html Declaration W...

  • Filtered-sample-and-hold

    2015-01-14 08:12:2867

    Itis often required that a signal be filtered prior to sampling. This can be accomplished with only one device. Use any of the inverting and noninverti...

  • Analog to Digital Conversion (ADC) and Communicating (MAX232

    2015-01-14 06:55:1878

    This article describes the Analog to Digital Conversion (ADC) and Communicating (MAX232). The principle is very simple, very practical. The circuit com...

  • Temperature-reporting-digital-thermometer

    2015-01-14 06:48:0780

    The ROMs or PROMs must have the correct code for converting the data from the NE5037 -used as address for the ROMs or PROMs-to the appropriate segment ...

  • 50Hz Ripple filter circuit

    2015-01-14 06:40:5094

    The ripple filter circuit is specially deisgned to filter out 50 Hz ripple signals from audio lines. A 50 Hz noise is usually found in european countri...

  • Digital Bike Tachometer(CD4026)

    2015-01-14 06:28:55169

    This article describes the Digital Bike Tachometer (CD4026). The principle is very simple, very practical. The circuit components can help you understa...

  • Series Inductor Filter

    2015-01-14 06:16:3488

    Series Inductor Filter. series-inductor-filter In this arrange-ment a high value inductor or choke L is connected in series with the rectifier element ...

  • 20Hz to 200Hz Variable High-Pass Filter

    2015-01-14 05:43:52118

    Figure 1 The circuit was designed to create a high-pass filter that can be variably change to work with frequency range from 20 Hz to 200 Hz. High Pass...

  • Introduce the principle of Digital IC FM Transmitter

    2015-01-14 05:17:1869

    This article is a digital integrated FM transmitter introduce the principle. The principle of combining text comprehension is a good suggestion. The di...

  • 4 - Channel Digital Logic Analyzer electronic circuit diagra

    2015-01-14 04:38:3596

    This is one of the simplest circuit for a PC parallel port based DLA. The Circuit is mainly used to protect the port which is fabricated on the motherb...

  • DC, RMS, And Peak-to-Peak High Impedance Voltmeter

    2015-01-14 04:37:0394

    Analog meter normally doesnt have high impedance since they dont have buffer circuit inside. With active buffering, the input impedance of this circuit...

  • Digital IC Transmits Both FM and AM Simultaneously (BC548C)

    2015-01-14 04:34:3170

    This article describes the Digital IC Transmits Both FM and AM Simultaneously (BC548C). The content is very simple, very helpful. Components in this ar...

  • Digital Measurements Temperature by LM335

    2015-01-14 03:49:40165

    Here is circuit Digital Measurements Temperature by IC LM335, IC LM335Z (TEMP SENSOR) volt at IC 2.73V, 10mV : C VR1 adjustable temp. This circuit forI...

  • LTC1407 Analog to Digital Converter Pin Configuration and Da

    2015-01-14 03:45:4974

    This is the top view picture ofLTC1407/LTC1407a Analog to Digital Converter (ADC) Pin configuration. According to the datasheet, LTC1407 are 3Msps samp...

  • Current Loop SCR Control

    2015-01-14 02:47:32129

    This circuit allows a 4-to 20-mA current loop to control an isolatedSCRdrive.IC1Aand are one-shots. Q2 detects zero crossings of the 120 Vac line, whic...

  • Active Second-Order Bandpass Filter Circuit

    2015-01-14 02:47:01200

    This filter circuit which uses LM1458 or similar op amp has a response of 300 Hz to 3.4 kHz with 12 dB/octavc roll-off outside the pass band. Sqction A...

  • Digital Electronics

    2015-01-14 02:24:08187

    Circuit Properties of LS and HC Digital Logic In digital systems, a limited number of circuit states, usually two in the nearly universal binary logic,...

  • Digital Radar Speedometer electronic circuit diagram

    2015-01-14 00:41:46188

    This circuit is a Digital Radar Speedometer. It allows us to evaluate the speed of any object moving, especially cars and other vehicles. The speed is ...

  • Digital IC Transmits Both FM and AM Simultaneously

    2015-01-14 00:17:0668

    The transmitters that either working in FM or in AM is familiar. This is transmitters circuit that can transmit both FM and AM signal simultaneously at...

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