Varius Circuits
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Looks like a schmitt trigger oscillator. By the way the resistors and capacitor are used it is probably a saw-tooth wave generator with R2 & R3 determining the slope of the rising and trailing edges. The zener helps control the amplitude between 0 to 3V OR.... -
Colpitts oscillator circuit is shown in Figure 1, Q is the transistor. The Colpitts and Hartley oscillator circuit are similar, except the inductor, capacitor exchange of positions. Oscillator equivalent circuit shown in Figure 2. Capacitors C1, C2, and.... -
Q is the transistor, L1, L2, C resonant circuit formed, L2 double as feedback network, through the coupling capacitor Cb will be sent to feedback voltage transistor base. Figure 2 shows the communication channel, resonant circuit with three endpoints and the.... -
I like the circuit, because it is good and enjoy. It just the signal status ""1"" and ""0"" only. And frequency generator is.... -
We can bring the inverter CMOS digital IC is CD4049 Hex Inverting Buffer IC, to design the Square wave oscillator generator.... -
An oscillator circuit of this nature. Often used as a clock circuit. This circuit uses a million crystal frequency control with stability. And.... -
My Friend need to like a Pulse Generator Oscillator circuit that stable frequency at 32.768KHz,for digital cmos binary counter, so he tell to me even low.... -
In the Sine wave oscillator circuit often to be use the thermistor and Incandescent lamp, for upset the output of circuit has fixed value, the resistance of.... -
50 Hz 60 Hz frequency generator circuit using crystal oscillator You can generate 50Hz or 60Hz using this frequency generator. This oscillator.... -
Accurate 50Hz Oscillator Circuit Using 555 And 7490 This circuit is a getting a 50Hz pulse. It comprises a 555 timer and two 7490 divide-by-ten.... -
Colpitts 1MHz To 20 MHz Crystal Oscillator Circuit This is a simple Colpitts crystal oscillator for 1 to 20 MHz, PARTS.... -
Crystal Controlled Oscillator Circuit This general purpose signal source serves very well in signal-tracing applications. The output level is.... -
.jpg "Advantages and challenges of third-overtone IC crystals")
ICs with on-board oscillators requiring low-frequency fundamental crystals are commonplace, but nowG‚IC frequency multipliers require the higher frequencies of third overtone crystals. Compared to its fundamental implementation however, the third-overtone.... -
This was a small circuit made for driving an Impact counter. The heart being ICL8038. It must have been a Motor driving a Conveyor, the motor has a feedback attachment called Tachogenerator. Only part of the circuit is shown here. See the image of product.... -
LM311 is a comparator, It operates from single 5V supply or dual supplies, input current 150 nA, 50 V-50 mA output drive capability. TTL-CMOS compatible output. The Output is open collector so it can sink current but cannot source, a totem pole output can.... -
This is an improved version of the Darkroom Timer originally created by Stan Ockers (1999). Some extra features were added and the PIC code was modified accordingly The complete schematic, PCB and silkscreen are available in high resolution pdf format. The.... -
This simple code practice oscillator project for beginners to Continuous Wave Morse Code uses a 555 timer to generate a dit or dah sound when the key is pressed .. -
Colpitts Oscillator Tutorial and the theory behind the design of the Colpitts Oscillator which uses a LC Oscillator tank circuit to generate sine waves.... -
Electronics Tutorial about Quartz Crystal Oscillator including Harmonic, Overtone, Pierce Oscillator and Crystal Quartz Oscillator Circuits.... -
Hartley Oscillator Tutorial and the theory behind the design of the Hartley Oscillator which uses a LC Oscillator tank circuit to generate sine waves.... -
Electronics Tutorial about the RC Oscillator Circuit, RC Phase Shift Oscillators and how a Tuned RC Oscillator Circuit produces sine waves.... -
Wien Bridge Oscillator Tutorial about the Wien Bridge Oscillator Circuit which uses a RC Phase Shift Oscillator to produce sine waves.... -
Electronics Tutorial about the 555 Oscillator and How the 555 Oscillator can be used as a 555 Astable Oscillator Circuit to Generate Square Wave Waveforms.... -
The Wien-bridge oscillator, consists of an Operational Amplifier (OA) in a non-inverting configuration with gain 1 + R2/R1 and a RC feedback network.... -
Hey, Just wondering how to choose my L,C,R variables to achieve a desired frequency. Do I just choose any combination that yields X Mhz = 1 / ( 2pi *.... -
Hello. I am trying to design an LC Colpitts oscillator. This is the circuit. I came up with this based on the Colpitts oscillator shown on this.... -
The other thing I thought of is using a phase shift oscillator followed by an inverter to turn the sine into a square wave, but it semms a rather crude solution. I`m also looking for the schematics to a frequencydivider. I know you can use a flip flop to.... -
Build a sine wave generator. I use this schematic:. The op-amp I have used is the TL082 and the power supply of 9V. However, I do get a nasty sound, indicating that I am not getting a sine wave but rather a distorted waveform. Any idea why this is happening.... -
The 555 integrated circuit is a general-purpose timer useful for a variety of functions. In this experiment, we explore its use as an astable multivibrator, or oscillator. Connected to a capacitor and two resistors as shown, it will oscillate freely, driving.... -
This 1 Hz and 2Hz generator or oscillator is built with 4060 as an oscillator and a 14 bits counter. To obtain a 1Hz signal after 4060 we use 1/2 4013. This circuit provides a rectangular voltage with a amplitude between 0V and the power supply voltage...
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This project fits more for custom made battery casing that can have more space to hide things inside. This switch with few alterations can be used for any other project as well but is designed based on e-bike needs! This project use a clever functionality of.... -
The circuit described here uses ultrasonic oscillations and operates based on the propagation velocity of these oscillations in the air. Thus, we can easily determine the distance of two points if the time within which the wave travels this distance is.... -
Sometimes the precious metals are hidden too deep and are not detected except with complicated devices. In many cases, however, small pieces of precious metal buried near the surface can be detected by relatively simple means. Everyone is very attractive to.... -
Many times for various reasons we forget or can not water the plants that we have in our homes. And many humidity sensors units just notify us with a beeping sound or with a flashing light, that the pot needs watering. But what if we are away from home? This.... -
The principle behind a metal detector is really very simple. Proof of this is the circuit that follows, in which it proves that the construction of a metal detector can be done in the minute, with few components that we find very easily everywhere. With the.... -
The sub-harmonic bass generator is a sound producing unit for guitars. The sound it produces looks very much like that of the bass guitar. The octave generator is sometimes quite unusual since it does not produce any of the usual ways of coloring the sound,.... -
In the past the sounding (sea bottom measurement) was done with the "bullet", that is, with a heavy lead object that the seamen plucked into the sea hung from a calibrated rope. As soon as the "bullet" reached the bottom, the depth appeared directly from the.... -
This Amplifier was designed to have the following specifications: Distortion less than 0.1% at full power of 100W even at 20KHz. Power has to be attributed to an extended bandwidth. The output transistors must be protected against short circuits. The power.... -
A series of LEDs serve to alert the gardener when plants need water. Using two conventional digital integrated LEDs and a series of LEDs, we make a very useful device for gardening. The device detects the amount of water in the pot and alerts the grower.....
Popular Circuits
An LM556 dual oscillator/timer, U1, configured as a two-tone oscillator drives U2, a dual 4-watt...
The output voltage of a thermocouple is converted into frequency measured by a digital frequency...
This circuit provides the tum-on characteristics of an SCR, but turns off with ease. The switch...
A method of boosting the output current of a reference and also protecting against overloads is...
The wireless light switch circuit described here requires no physical contact for operating the...
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This is a deeper look into the Port-O-Rotary phone. We stuck the GM862 cellular module into an...
A simple but effective fixed gain transformerless microphonepreamplifier circuit diagramin the...
The basic techniques of designing electro-mechanical systems and to gain the knowledge on tuning...
The overall block diagram of the system. Audio comes in at the left, and is summed, differenced,...
LCD segment number growth increases the pin number of package in LCD driver. The LCD driver IC...
The ultrasonic signal which was received with the reception sensor is amplified by 1000...
Trimming is quite easy if you use matched NPNs for Q1 and Q2, and 1% tolerance resistors for R6...