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Canary chirp generator – Circuit Schematic
Canary chirp generator
This is a simple electronic alarm circuit that imitates the chirping of a canary. The circuit is nothing but a Hartley oscillator with few more passive componen...
Audio Oscillators – Circuit Schematic
Audio Oscillators
So 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 t...
Audio oscillator circuit based on ICL8038 – Circuit Schematic
Audio oscillator circuit based on ICL8038
ICL8038 based audio oscillator circuit. Simultaneous sine, triangle and square wave forms. Dual supply operation. Cover full audio frequency range.....
RC Phase Shift Oscillator Using Transistor (BJT): Circuit & Working – Circuit Schematic
RC Phase Shift Oscillator Using Transistor (BJT): Circuit & Working
In this section we would like to introduce you a transistor oscillator circuit, called as RC Phase shift Oscillator. First of all we need to know what is an osc...
Wein Bridge Oscillator using ic 741 op amp – Circuit Schematic
Wein Bridge Oscillator using ic 741 op amp
Wien bridge oscillator is an audio frequency sine wave oscillator of high stability and simplicity. Before that let us see what is oscillator An oscillator is a...
Triangular wave generator using Op Amp 741 circuit working and simulated output waveform – Circuit Schematic
Triangular wave generator using Op Amp 741 circuit working and simulated output waveform
Operational amplifier based triangular wave form generator is simple circuit that is widely used in function generators. Here is the circuit for Triangular wave...
Astable Multivibrator using transistors – Circuit Schematic
Astable Multivibrator using transistors
We can also take output from collector terminals of the transistors, such circuit is show below. To know the working of below circuit you must read How transist...
oscillator – Circuit Schematic
oscillator
Circuit Colpitts Oscillator schematics Circuit Electronics, Colpitts oscillator is very similar to the shunt-fed Hartley oscillator. The principal difference is...
Accurate Sine Wave Generator Circuit PCB – Circuit Schematic
Accurate Sine Wave Generator Circuit PCB
Many electronic devices depend upon the shape of the signals. It is very simple to produce square wave signals from sine signal, but doing vice versa is quite d...
Rain Sound Generator Using NE555 PCB – Circuit Schematic
Rain Sound Generator Using NE555 PCB
The circuit diagram shows a timer 555 based rain sound generator. The circuit requires a 9V dc power supply and can be fed from a 9V battery. The loud speaker f...
Schematic Diagram Schema HO Train Model Lighthouse Flasher – Circuit Schematic
Schematic Diagram Schema HO Train Model Lighthouse Flasher
The aboriginal accessory forms a archetypal oscillator ambit whose achievement is both a triangle waveform arresting and a aboveboard beachcomber signal. The tr...
Symmetric Noise Source – Circuit Schematic
Symmetric Noise Source
If a transistor junction operating in Zener breakdown is used as a noise source, the amplitude of the noise signal is asymmetric. This problem can be solved by ...
Comparator Based Crystal Oscillator – Circuit Schematic
Comparator Based Crystal Oscillator
Although a simple crystal oscillator may be built from one comparator of an LT1720/LT1721, this will suffer from a number of inherent shortcomings and design pr...
Baud Rate Generator – Circuit Schematic
Baud Rate Generator
In this article, an RC oscillator is used as a baud rate generator. If you can calibrate the frequency of such a circuit sufficiently accurately (within a few p...
Thrifty 2Hz Clock – Circuit Schematic
Thrifty 2Hz Clock
CMOS circuits are known for their low current consumption. This is particularly important for battery-powered circuits. Unfortunately, oscillators often require...
low frequency sinewave – Circuit Schematic
low frequency sinewave
The two circuits below illustrate generating low frequency sinewaves by shifting the phase of the signal through an RC network so that oscillation occurs where ...
experimental pendulum clock – Circuit Schematic
experimental pendulum clock
Using this design, you can construct an electromagnetically impulsed pendulum clock with a 1-second beat. On the prototype, the pendulum rod is 115cm long with ...
building synchronous clock – Circuit Schematic
building synchronous clock
The quartz clocks which have dominated time-keeping for the past 20 years or so have one problem: their errors, although slight, are cumulative. After running f...
low frequency oscillator – Circuit Schematic
low frequency oscillator
The circuit is a standard RC phase shift oscillator using a single bipolar transistor as the active element. When power is applied regenerative feedback is appl...
10.58 to 10.74 mhz vfo oscillator circuit – Circuit Schematic
10.58 to 10.74 mhz vfo oscillator circuit
Figure 1 shows the 10. 58 to 10. 74 MHz VFO oscillator circuit. Yes, this is the same circuit that was presented last, but I`ve re-designed to show the Colpitts...