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  • Digital Thermostat

    2015-01-15 13:05:0279

    The figure below shows the schematic of a Digital Thermostat. The output of LM35 is digitized by the A/D. TheLM35is a temperature transducer IC with an...

  • Two Op-Amps 60 Hz Notch Filter

    2015-01-15 12:18:2386

    Notch filteris a filter that remove a certain B. Ideally a notch filter will remove only single point of frequency? component, but practically it will ...

  • Digital Step-km Counter electronic circuit diagram

    2015-01-15 11:51:4472

    Parts: R1,R3____22K 1/4W Resistor R2________2M2 1/4W Resistor R4________1M 1/4W Resistor R5,R7,R8__4K7 1/4W Resistor R6_______47R 1/4W Resistor R9_____...

  • Butterworth Filter Circuit Diagram for Voice Signal Applicat

    2015-01-15 11:32:53138

    A unity gain multipoleButterworth filter circuit diagramwith ripple less than 0.15dB in the human voice band is shown in the following picture. By usin...

  • Monolithic/Hybrid Analog To Digital (A/D) Converter

    2015-01-15 11:04:2270

    The basic ANALOG TO DIGITAL (A/D) CONVERTER CIRCUIT has already been explained in an earlier post. Apart from it, there are also many types of monolith...

  • Oil - digital DC voltage gauge

    2015-01-15 09:23:0583

    This double-digit oil pressure gauge by the integrated circuit, display selection, circuit, calibration and zero components. The integrated circuit IC ...

  • Input Impedance Booster Circuit Diagram(TLC271)

    2015-01-15 09:15:03102

    The paper gives a brief introduction of the Input Impedance Booster Circuit Diagram (TLC271). The circuit is easy to understand, but also very practica...

  • High-Q Notch Filter with Active Twin T Network

    2015-01-15 08:24:05169

    This is a circuit of High-Q Notch Filter. This circuit consist of LM102 and a twin T network. Twin T network sum two signal from different path with di...

  • High impedance DC voltmeter.

    2015-01-15 07:44:1182

    Description. A high impedance DC voltmeter using a uA741 IC is shown here. The operational amplifier is used as a non-inverting DC amplifier in which t...

  • How to build RC Notch Filter (Twin T)

    2015-01-15 07:36:2481

    Description The twin T notch filter can be used block an unwanted frequency or if placed around an op-amp as a bandpass filter. The notch frequency occ...

  • Switched Capacitors and Filters

    2015-01-15 07:34:3267

    CMOS offers voltage controlled switches of low resistance that never wear out. This makes many things possible, among them a way to get a negative supp...

  • Pre Microphone low impedance using TL084

    2015-01-15 07:25:00122

    Pre microphone model Low impedance circuit,that interesting. Because be the circuit has small-sized. It uses integrated number circuit TL084 be op-amp ...

  • Three Pole State Variable Filter Module Based on ssm2164

    2015-01-15 07:17:13130

    Three PoleState Variable Filter Module Based on ssm2164 I build a three pole state variable filter PCB from Neil Johnson which uses the Analog Devices ...

  • 60Hz Notch Filter

    2015-01-15 07:05:3086

    View Full Size Image View Original Datasheet High input impedance amplifiers are ideal for buffering high impedance networks. Here a twin-T notch filte...

  • Digital Transmission Isolator (LM111)

    2015-01-15 06:54:2886

    This article describes the Digital Transmission Isolator (LM111). The content is very simple, very helpful. Components in this article can help you und...

  • Pre Microphone low impedance (TL084)

    2015-01-15 06:06:34110

    This article describes the Pre Microphone low impedance (TL084). The principle is very simple, very practical. The circuit components can help you unde...

  • Sallen and Key Lowpass Filter

    2015-01-15 06:03:2577

    This a Sallen and Key Lowpass Filter circuit. This circuit is a second-order active filter. This circuit can be changed to highpass filter by interchan...

  • Pulse generator control frequency by digital IC

    2015-01-15 05:29:2280

    This circuit uses frequency pulse generator, its continuity or Astable Multi Vibrator circuit. By the number 555 is compatible with IC1 VR1, R1, R2, an...

  • DIY Digital Thermometer Circuit

    2015-01-15 05:22:24147

    This diy digital thermometer circuit can measure temperatures up to 150°C with an accuracy of ±1°C. The temperature is read on a 1V full scale-defle...

  • Pulse Width to Analog Voltage Demodulator CIRCUIT (2N656)

    2015-01-15 05:19:3475

    This article describes the Pulse Width to Analog Voltage Demodulator CIRCUIT (2N656). The content is very simple, very helpful. Components in this arti...

  • Galaxy Noise Filter (2SC2712)

    2015-01-15 05:11:2278

    This article is a schematic diagram of the noise filter galaxies show. The schematic diagram in your reading, we give you to explain the galaxy noise f...

  • 16 bit Analogue to Digital Converter LTC1052

    2015-01-15 05:01:1174

    The circuit here is a A/D converter, that consisting of A2, a flip-flop, some doors and a current sink, is based on a current balancing technique. Agai...

  • Digital Voltmeter Circuit

    2015-01-15 04:33:501350

    DIY Digital Voltmeter Circuit Adigital voltmeter circuitis a circuit used to measure the voltage of electrical devices and circuits. For the measuremen...

  • Amplitude Modulation Tutorial

    2015-01-15 04:18:2865

    If you connect a long wire to the output terminals of your Hi-Fi amplifier and another long wire to the input of another amplifier, you can transmit mu...

  • Tunable active filter

    2015-01-15 03:05:16120

    The high-pass and low-pass outputs cov- output. The potentiometers must have a re-ering the range of 300 Hz to 3000 Hz have been verse log taper Fixed-...

  • How to Perform DS3904 Digital DIP Switch Resistor into High-

    2015-01-15 02:48:2278

    The advantages of using a digital DIP switch instead of a conventional mechanical one is that the digital offers small size and better security. The DS...

  • PIC 16F84 12 24 Hour Digital Clock Circuit And Programming

    2015-01-15 02:46:53476

    PIC16F84 12 or 24 Hour Digital Clock Circuit Diagram And Programming This PIC digital clock is based on a 16F84 microcontroller. it uses four 7-segment...

  • Digital system equation

    2015-01-15 02:39:0165

    Back to DSP thread. Lets talk about digital system equation. Every digital system can be described using this equation. The output of digital filter ge...

  • contact less Infra Red digital tachometer (BC547)

    2015-01-15 02:01:1793

    The contact with the rotating shaft is avoided with an optical sensing mechanism that uses an infrared (IR) light emitting diode and a photo detecting ...

  • Differential Low-Pass Filter and The Design Formula

    2015-01-15 01:53:52406

    Multiple Feedback (MFB) is the best filter topology to use for differential low pass filters. Heres the circuit diagram: To design this filter, a corne...

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