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  • 60 HZ not pass filter using IC 741

    2015-01-15 01:49:08174

    In sometimes when want to decrease especial frequency noise that want only. This circuit can help you , it does will not let 60HZ frequencies s can cha...

  • Digital volume control principle explanation

    2015-01-15 01:40:12181

    This article is a digital volume control principle explanation. The combination of text read schematics would be more effective to grasp this principle...

  • Differential Analog Circuit Switch

    2015-01-15 01:01:2167

    This circuit is a differential analog circuit switches. TheFM1208monolithic dual differential multiplexer used in applications where the RDS (ON) must ...

  • Digital Combination Lock

    2015-01-15 00:52:0268

    Description A multiple input combination loack using CMOS counter IC's. Flexibility and code change is allowed by changing output connections. Notes Th...

  • Explain the principle of programmable digital code lock

    2015-01-15 00:46:1673

    This article is to explain the principles of programmable digital code lock. The combination of text read schematics would be more effective to grasp t...

  • Adjustable notch filter

    2015-01-15 00:25:11310

    In applications where the rejected signal might deviate slightly from the null on the notch network, it is advantageous to lower the Q of the network. ...

  • Digital temperature measuring

    2015-01-15 00:16:2974

    The output voltage of a thermocouple is converted into frequency measured by a digital frequency meter. The output thermocouple signal is proportional ...

  • Filter the Scratch and Rumble Noise

    2015-01-15 00:15:3175

    If a friend gets into trouble about the noise. Try out this circuit before, may like. It is Filter the Scratch and Rumble Noise Circuit. That make a fr...

  • Analog to Digital Converter Circuit using LM2907

    2015-01-14 23:17:53104

    Here isanalog to digital convertercircuit.To start a analog to digital converter ?cycle the processor generates a reset pulse to discharge the integrat...

  • Digital Automatic Level Control (Alc) Circuit

    2015-01-14 23:13:38109

    This approach to automatic level control (ALC) makes use of digitally switched audio attenuators in the signal path. The output level of the system is ...

  • Razor-sharp CW filter

    2015-01-14 22:16:48229

    The circuit consists of four stages of active bandpass filtering provided by two type-?μ integrated-circuit dual op amps and includes a simple thresho...

  • Impedance Matching (Shunt Stub)

    2015-01-14 21:57:3366

    Java-Runtime is required for Circuit Simulation. Download Java for Windows Download Java for Linux Download Java for Other OS Start Simulation Circuit ...

  • TC9400 Analog Frequency Meter

    2015-01-14 21:47:2570

    Any frequency below 100kHz will be converted into an output voltage by TC9400 frequency-to-voltage converter. The TC9400 is linear to the input frequen...

  • Infrared Modulation Identifier Via Remote Control

    2015-01-14 21:41:0563

    Figure 1 The circuit illustrates how the modulated carrier of infrared is measured by displaying the waveform on a frequency counter after the signal r...

  • The summary of a remote digital thermometer circuit diagram

    2015-01-14 20:47:0686

    This article is the introduction of a remote digital thermometer circuit diagram. Do you have any idea on the circuit and opinions, welcome to contact ...

  • Low pass filter - Subwoofer

    2015-01-14 20:15:2098

    The acoustic spectrum is extended by very low frequencies 20Iz and reaches as the 20000Iz in high frequencies. In the low frequencies is degraded the s...

  • Digital-logic-probe

    2015-01-14 19:17:0392

    The probe relies on the power supply of the CUT (circuit-under-test). The input to the probe, at probe tip, is fed along two paths. One path flows to t...

  • How to build Digital Volume Control

    2015-01-14 18:59:39122

    Description This circuit could be used for replacing your manual volume control in a stereo amplifier. In this circuit, push-to-on switch SW1 controls ...

  • Rejection filter

    2015-01-14 18:55:5074

    This narrowband filter using the 741 operational amplifier can provide up to 60 dB of rejection. With resistors equal to 100 K and capacitors equal to ...

  • Digital Potentiometer circuit

    2015-01-14 18:36:42104

    Xicors digitally controlled E2POT ICs provide ergonomic and long-lasting alternatives to mechanical potentiometers. The ICs in the X9CMME series have a...

  • Digital Step-Km Counter (BC327)

    2015-01-14 18:26:3868

    Max. range: 9,950 meters with two digits Circuit diagram: Parts: R1,R3____22K 1/4W ResistorR2________2M2 1/4W ResistorR4________1M 1/4W ResistorR5,R7,R...

  • Digital scoreboard circuit

    2015-01-14 17:15:02837

    Digital scoreboardcircuit functions to display values from 0 to 9 on the 7 segment display. 7 segments using a type of common anode. 7 segment driver I...

  • Current-Limit Switch Is Digitally Programmable

    2015-01-14 16:23:1167

    Current-limit switches are virtually ubiquitous in system controls. They provide a safe means for regulating the current delivered to a load circuit. T...

  • Low-Voltage Linear Taper Digital Potentiometer

    2015-01-14 15:37:2567

    The MAX5394 single, 256-tap volatile, low-voltage linear taper digital potentiometer offers three end-to-end resistance values of 10k?, 50k?, and 100k?...

  • Digital Tachometer Circuitry

    2015-01-14 15:35:2984

    This system can be used with 4-, 6-, or 8-cylinder automobiles. The timebase formed by IC5 is an oscillator th at drives counter IC6, which divides by ...

  • High Q notch filter

    2015-01-14 15:30:5293

    In the circuit shown, Twin-T network connections with LM102 in form of High Q notch filter. Usually, the junction of R3 and C3 to ground, is bootstrapp...

  • Digital Volume instead of a rotary press using IC DS1669

    2015-01-14 15:16:0078

    This is the Digital Volume Push button, which will replace Volume traditional rotation.With simple circuits.Using only a single IC that is at the heart...

  • Hum Filter, An Ultimate Weapon To Remove AC Line Noise

    2015-01-14 15:02:1273

    You might think that hum noise is produced by electronic device with improper design, yes youre right. And you might choose to solve the trouble maker,...

  • Digital To Analog Converter Circuit

    2015-01-14 14:24:1474

    Figure A is an R/2R resistor ladder. Each switch that is closed increases the amount of current at . A simple channel A/D converter is shown in Fig. B....

  • AM FM Simultaneous Transmitter Using Digital IC

    2015-01-14 13:49:2963

    Download this schematic in doc Reprinted Url Of This Article: http://www.diy-electronic-projects.com/p128-AM-FM-Simultaneous-Transmitter-Using-Digital-...

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