oscillators
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Latest blogosphere posts tagged “oscillators”
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Travelwires.com home-office environment in pictures
Travelwires.com —
Authority: 438
Blogging provides me an opportunity to work from home, thus I miss traffic, rude taxi drivers on the road and save on petrol expenses. I’m mostly online from 7 am until 7pm daily or late if there is... Send your news worthy industry press releases for publication today to muzi at travelwires dot com.19 hours ago -
Longer Term Bond Indicators Flash Sell
GreenLightAdvisor Views —
Authority: 436
The yield of ten-year US Treasury Notes has surged by 34 basis points since the middle of October as market participants started adopting a more upbeat outlook on the economy and shied away from safe-haven assets. Unsurprisingly, the following comes from the minutes of the meeting of November 4 of the Treasury ...4 days ago -
How to Use the RSI and Williams Percent Range
Forex Trading Education : Forex Trading Blog by FOREXYARD —
Authority: 487
With so many tools at your disposal on ForexYard’s trading platform it can sometimes be a daunting task when trying to pick the right one, or combination thereof. A discussion of how to use 2 such tools which operate in a similar manner will therefore be discussed herein. The 2 tools explained in this article [...]3 weeks ago -
Sweep-Frequency Generator
Free Electronics Projects-Electronics circuits and hobby designs diagrams —
Authority: 127
A sweep frequency generator is a special type of signal generator which generates a sinusoidal output whose frequency is automatically varied or swept between two selected frequencies. One complete cycle of the frequency variation is called a sweep. The rate at which the frequency is varied can be either linear or ...3 weeks ago -
Signal Generators
Free Electronics Projects-Electronics circuits and hobby designs diagrams —
Authority: 127
The signal generator, like an oscillator, is a source of sinusoidal signals but the signal generator is also capable of modulating its sinusoidal output signal with other signals. This is the main difference between the two instruments (signal generator and oscillator). When the signal generators are employed for ...3 weeks ago -
Selection Of An Oscillator
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Authority: 127
While selecting an oscillator for a particular application, the following particulars are to be considered.Frequency Range. The oscillator selected for a particular application should be capable of supplying an output signal that’s upper and lower frequency limits exceed those required by the application.Power ...3 weeks ago -
Negative Resistance Oscillators
Free Electronics Projects-Electronics circuits and hobby designs diagrams —
Authority: 127
Negative resistance oscillators make use of negative resistance elements such as tetrodes, tunnel diodes, uni junction transistors etc. There are two types of negative resistance oscillators, which are commonly used for high frequency generation. These are dynatron and tunnel diode oscillators.Dynatron operates in ...3 weeks ago -
Beat Frequency Oscillator (BFO)
Free Electronics Projects-Electronics circuits and hobby designs diagrams —
Authority: 127
The beat frequency oscillator used to be the most common type of oscillator to give variable frequency output in the audio-frequency (AF) range. It gives a very large frequency range with a single dial rotation and, therefore, it is mostly used when it is desired to cover a very large frequency range with a single ...3 weeks ago -
Wien Bridge Oscillator
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Authority: 127
It is one of the most popular type of oscillators used in audio and sub-audio frequency ranges (20 – 20 kHz). This type of oscillator is simple in design, compact in size, and remarkably stable in its frequency output. Furthermore, its output is relatively free from distortion and its frequency can be varied ...3 weeks ago -
Transistor Phase Shift Oscillator
Free Electronics Projects-Electronics circuits and hobby designs diagrams —
Authority: 127
The circuit arrangement of a phase-shift oscillator using N-P-N transistor in CE configuration is shown in figure. As usual, the voltage divider R1-R2 provides dc emitter base bias, RE and CE combination provides temperature stability and prevent ac signal degeneration and collector resistor RC controls the ...3 weeks ago -
Phase Shift Oscillator
Free Electronics Projects-Electronics circuits and hobby designs diagrams —
Authority: 127
We select the so called phase shift oscillator as a first example as it exemplifies very simply the principles set forth in the previous blog post. The circuit is drawn to show clearly the amplifier and feedback network. The circuit consists of a common source FET amplifier followed by a three section R-C phase ...3 weeks ago -
Audio Oscillators
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Authority: 127
An introduction to Audio Oscillators also known as RC OscillatorsSo far, we have considered the oscillators which use L-C tuned circuit that causes a phase shift of 180° due to inductive or capacitive coupling in addition to a 180° phase shift produced by the transistor itself. The oscillators employing L-C ...4 weeks ago -
Crystal Oscillator
Free Electronics Projects-Electronics circuits and hobby designs diagrams —
Authority: 127
In crystal oscillators, the usual electrical resonant circuit is replaced by a mechanically vibrating crystal. The crystal (usually quartz) has a high degree of stability in holding constant at whatever frequency the crystal is originally cut to operate. The crystal oscillators are, therefore, used whenever great ...4 weeks ago -
Hartley Oscillator
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Authority: 127
The Hartley oscillator is as popular as Colpitt’s oscillator and is widely used as local oscillator in radio receivers. The circuit arrangement is shown in figure. Hartley oscillator circuit is similar to Colpitt’s oscillator circuit, except that phase-shift network consists of two inductors Lr and L2 and a ...4 weeks ago -
Clapp Oscillator
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Authority: 127
The Clapp oscillator shown in figure. is a refinement of the Colpitt’s oscillator. The single inductor found in the Colpitt’s oscillator is replaced by a series L-C combination. Addition of capacitor Ca in series with L improves the frequency stability and eliminates the effect of transistor parameters on the ...4 weeks ago -
Colpitts Oscillator
Free Electronics Projects-Electronics circuits and hobby designs diagrams —
Authority: 127
The Colpitt’s oscillator circuit is a superb circuit and is widely used in commercial signal generators upto 100 MHz. The basic circuit of a Colpitt’s oscillator is shown in figure. It basically consists of a single stage inverting amplifier and an L-C phase shift network, as obvious from the circuit diagram ...4 weeks ago -
Tuned Base Oscillator
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Authority: 127
When a parallel tuned L-C circuit is placed in the base-to-ground circuit, the oscillator is known as the tuned-base oscillator. The basic circuit of a tuned-base oscillator is shown in figure. The circuit is also named as the tickler oscillator or Armstrong oscillator (named after its inventor). The dc bias is ...4 weeks ago -
Tuned Collector Oscillator
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Authority: 127
The basic circuit of a tuned collector oscillator is shown in figure. It is called the tuned-collector oscillator, because the tuned circuit is connected to the collector. The tuned circuit, constituted by the capacitor C and transformer primary coiL, forms the load impedance and determines the frequency of ...4 weeks ago -
LC Oscillators and Types
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Authority: 127
What are LC Oscillators and its types ?Oscillators, which use inductance-capacitance (L-C) circuits as their tank or oscillatory circuits are called L-C oscillators.L-C oscillators are very popular for generating high-frequency outputs (e.g. 10 kHz to 100 MHz). There is a large variety of L-C oscillators such ...4 weeks ago -
Transistor Oscillators
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Authority: 127
Essentials of Transistor OscillatorsAn oscillator must have the following three elementsOscillatory circuit or element.Amplifier.Feedback network.The oscillatory circuit or element, also called the tank circuit, consists of an inductive coil of inductance L connected in parallel with a capacitor of capacitance C. The ...4 weeks ago
