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  • Digital Volume Control Circuit With DS1669 IC

    2015-01-17 18:25:02100

    Description: The following circuit shows a digital volume control circuit diagram. This circuit based on the DS1669 IC. Features: has no pot to wear ou...

  • 4-Bit Analog to Digital Converter(TLC3074 )

    2015-01-17 18:17:02116

    This article briefly describes the 4-Bit Analog to Digital Converter (TLC3074). This principle is easy to understand, but also very practical. Depth un...

  • Linear ac analog coupler

    2015-01-17 18:16:42107

    With the coupler biased in the linear region by the 10 mA dc bias on the IRED and the voltage divider on the phototransistor base, photodiode current f...

  • DVI (Digital Visual Interface)

    2015-01-17 18:08:2572

    pinout 29 pin DVI femaleconnector at the computer DVI was developed by the Digital Display Working Group (DDWG). It carries the same type of signal as ...

  • 19 KHz MPX Low Pass Filter

    2015-01-17 17:56:19113

    19 KHz MPX Low Pass Filter This map, armored also enables automatic MONO / MPX through a low-pass filter, even with a multiplex on its entry by using a...

  • Low-Pass Filter

    2015-01-17 17:40:4179

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

  • Pulse Width Modulation DC Motor Control CIRCUIT (PIC16C84)

    2015-01-17 17:38:3466

    This article describes the Pulse Width Modulation DC Motor Control CIRCUIT (PIC16C84). The principle is very simple, very practical. The circuit compon...

  • Notch Filter

    2015-01-17 17:23:4180

    Description: A variable notch filter with both high and low pass filters. Circuit Notes At first glance this circuit looks fairly complex, but when bro...

  • Drive SCR thyristor with 555

    2015-01-17 16:46:5174

    This circuit gives a burst of pulses to fire 2 SCRs, when pin 4 is taken to 12V the SCR is turned on, to use this circuit you need 12V short pulses pha...

  • TC9400 VFC for PLL FM Demodulation (TC9400)

    2015-01-17 16:41:0779

    This article describes the TC9400 VFC for PLL FM Demodulation (TC9400). The content is very simple, very helpful. Components in this article can help y...

  • Single Supply 10MHz Lowpass Filter Features the LT1819 Op Am

    2015-01-17 16:39:1198

    View Full Size Image View Original Design Note Low noise, low distortion LT1819 circuit trades parts count and components sensitivity for an adjustable...

  • Variable Q Filter For 400Hz Circuit

    2015-01-17 16:28:14129

    A bootstrapped twin notch filter in this circuit can yield an effective Q of up to 10. Rs adjusts the feedback, hence the Q. Values of C1 and C2 can be...

  • Digital Delay Unit For Surround Sound, Reverb & Echo

    2015-01-17 16:18:42858

    Digital Delay Unit For Surround Sound, Reverb Echo Introduction This is a project thats been waiting for some time, but I finally got my act together, ...

  • Variable Bandpass Audio Filter Circuit

    2015-01-17 16:02:30274

    This circuit is a variable audio bandpass filter that has a low cutoff variable from about 25 Hz to 700 Hz and a high cutoff variable from 2.5 kHz to o...

  • AD8137 Analog-Digital Converter Driver Pin Configuration

    2015-01-17 15:53:5384

    The following schematic showsAD8137 Analog-Digital Converter (ADC) Driver Pin Configuration. This device is manufactured by Analog Devices, Inc., which...

  • Digital Pressure Gauge

    2015-01-17 14:39:0487

    The gauge uses Sensym firm pressure sensor SXlOOpn (100 psi range), Intersils ICL7106 A / D converter chip and LEDdisplay module. The pressure gauge in...

  • Digital Stopwatch 0-60sec

    2015-01-17 14:28:0865

    Introduction By using the same circuit of the Digital Stopwatch 0-99sec, we can add an AND gate, and transform the 0 ? 99sec stopwatch to a 0 ? 60sec s...

  • Subwoofer Lowpass Filter Single Op-Amp Ic(uA741 )

    2015-01-17 14:17:16153

    This article briefly describes the Subwoofer Lowpass Filter Single Op-Amp Ic (uA741). This principle is easy to understand, but also very practical. De...

  • PT2399--the digital reverberation integrated circuit 1

    2015-01-17 14:01:46314

    PT2399--the digital reverberation integrated circuit 1.function featuresPT2399 includes the sampling signal process circuit, reverberation comparing pr...

  • Digital Stopwatch 0-60sec(74HC164)

    2015-01-17 13:53:00149

    This article describes the Digital Stopwatch 0-60sec (74HC164). The principle is very simple, very practical. The circuit components can help you under...

  • High impedance voltmeter shows the principle

    2015-01-17 13:51:2968

    Next is the principle of high impedance voltmeter display. The most effective way is to grasp the principle of combining schematic view text, combined ...

  • Analogue to digital converter circuit

    2015-01-17 12:47:2687

    That simple 4 digits converter circuit has OUTPUT COUNT = 1 according to my f-IMHz to 10.000. All diodes are IN4146 `POLYSTYRENE` NPO. The circuit uses...

  • Digital Isolation and Termination (TSSOP20)

    2015-01-17 12:24:2768

    This is a digital isolation and termination circuit. This circuit uses The CLT3-4 that is a digital termination device with quadruple input. The CLT3-4...

  • Active Filter Types

    2015-01-17 12:23:1398

    Types of Active Filters Butterworth, Chebyshev, Bessel and Elliptic filters. There are basically 4 types of active? filters. They are butterworth, Cheb...

  • CW filters (LM324)

    2015-01-17 12:18:41162

    This article describes the CW filters (LM324). The content is very simple, very helpful. Components in this article can help you understand better unde...

  • DC Response Analog Data Recording using Audio System

    2015-01-17 11:22:3265

    If we want to record very low frequency or DC signal on an audio recording system, we have to convert the DC/low frequency signal into the spectrum of ...

  • High pass active filter by LM741

    2015-01-17 11:18:47173

    The high pass filter circuit is a high frequency filter, only through it. In this circuit we are use operational amplifiers IC 741 number, it is allows...

  • Digital Compass Module HMC6352

    2015-01-17 09:18:2577

    The Honeywell HMC6352 is a fully integrated compass module that combines 2-axis magneto-resistive sensors with the required analog and digital support ...

  • High frequency analog switch

    2015-01-17 09:08:2683

    Commutator circuit provides low impedance gate drive to the PN4091 analog switch for both on and off drive conditions This circuit also approaches the ...

  • Digital Keypad Combination Lock

    2015-01-17 08:52:1076

    This simple circuit is the electronic version of the combination lock. Using the special purpose LS7220 digital lock IC, the circuit allows a 4 digit c...

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