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150-Hz Oscillator/Counter Circuit. Simplified Schematic Diagram – Circuit Schematic
150-Hz Oscillator/Counter Circuit. Simplified Schematic Diagram
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More About Oscillators – Circuit Schematic
More About Oscillators
Online Electronics Course, Science of Radio Frequency Engineering, Electronics, Microwave, Waveguide, Antenna, Technologies, Tubes, History, Klystron, Magnetron...
Advanced Triangular wave generator – Circuit Schematic
Advanced Triangular wave generator
Triangular wave generator in this website has more advantage triangular wave with maximum peak level and minimum peak level circuit diagram and description of t...
Electronics Grasshopper using 555 – Circuit Schematic
Electronics Grasshopper using 555
Here is another fun project for children as well as electronics beginners. We often hear the sound of grasshopper or cockroach (i. e. shrill sound) at night. Th...
Simple variable frequency oscillator – Circuit Schematic
Simple variable frequency oscillator
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Astable Multivibrator – Circuit Schematic
Astable Multivibrator
Transistorised Astable Multivibrator is a cross coupled transistor network capable of producing sharp continuous square wave. It is free running oscillator or s...
Function Generator – Circuit Schematic
Function Generator
The design includes a buffered virtual ground circuit provided by an LM741, LM318 or similar Op Amp, which sets a fixed voltage half way between the input volta...
Is this a certain kind of oscillator – Circuit Schematic
Is this a certain kind of oscillator
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oscillator VCO sawtooth and duty cycle – Circuit Schematic
oscillator VCO sawtooth and duty cycle
The circuit generates square and triangle wave. I wonder if I can add a couple of diodes and a potentiometer to be able to skew between triangle-ramp/saw and ch...
oscillation Oscillator circuit – Circuit Schematic
oscillation Oscillator circuit
The first thing I need to know how C1 is related to resonance frequency f of the circuit. It seems like I can choose a frequency and I automatically get a neede...
Damped Oscillations Start with a Delay – Circuit Schematic
Damped Oscillations Start with a Delay
The top channel is my signal to the gate of a mosfet. The mosfet is driving a tank circuit that contains a large coil wrapped on ferrite with a 5uF capacitor. T...
op amp Op Amp based Colpitts oscillator – Circuit Schematic
op amp Op Amp based Colpitts oscillator
An op-amp based Colpitts oscillator in multisim. When I press run button it shows- "timestep too smaall error". I`ve googled and tried everything but it still s...
rfid How to design an Oscillator Circuit (500 MHz range) with no Op amps – Circuit Schematic
rfid How to design an Oscillator Circuit (500 MHz range) with no Op amps
An Oscillator circuit which can produce a good sine wave with a frequency of at least 500 Mhz. This is for RFID applications. I have tried to use an class E osc...
capacitor Whats wrong with this Phase Shift Oscillator – Circuit Schematic
capacitor Whats wrong with this Phase Shift Oscillator
A phase shift oscillator, using a CE Amplifier. I have a Vc of approximately 6V, gain of approximately 40(>29, as required). I aim for an oscillation frequency ...
oscillator circuits operation – Circuit Schematic
oscillator circuits operation
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clock Crystal circuit works in breadboard but not in perfboard – Circuit Schematic
clock Crystal circuit works in breadboard but not in perfboard
It works perfectly on the breadboard, where I can see the LED blinking at 2 Hz. However, when I try to solder it on the perfboard, it blinks much faster. I don`...
Can a Hartley Oscillator be built using Fixed Inductors – Circuit Schematic
Can a Hartley Oscillator be built using Fixed Inductors
An Hartley Oscillator circuit can be made from a pair of series connected coils. I had a couple of 22mH fixed inductors, which I hooked up on a breadboard with ...
Incorrect frequency from crystal oscillator – Circuit Schematic
Incorrect frequency from crystal oscillator
Acquired an old Eistar SJ-1 Digital pulser. However the frequency it generates is always 66% of what its supposed to produce. Turns out that the frequency comin...
How to connect a crystal oscillator to generate Square wave – Circuit Schematic
How to connect a crystal oscillator to generate Square wave
If you want a 1MHz square wave, I would suggest using a higher frequency crystal and dividing it down, for two reasons: (1) 4MHz crystals are apt to be cheaper ...
transistors Role of capacitor in this circuit – Circuit Schematic
transistors Role of capacitor in this circuit
We expect oscillation at the resonant frequency at which the positive feedback is at 0 degrees (in phase) with the input. For oscillation to occur, the gain has...