Advertisement
74S124 High Frequency VCO with Varactor – Circuit Schematic
74S124 High Frequency VCO with Varactor
The following schematic diagram shown a conventional which is modified to become a VCO (voltage-controlled oscillator) circuit. By replacing the conventional fi...
Square Wave Oscillator using Comparator/Op-Amp – Circuit Schematic
Square Wave Oscillator using Comparator/Op-Amp
The circuit shown in this schematic diagram is a square-wave oscillator circuit.  The main component of this oscillator circuit is LP165/365 comparator. As.....
Electronic Gain Control in Quartz-Stabilized Oscillator – Circuit Schematic
Electronic Gain Control in Quartz-Stabilized Oscillator
This is a quartz-stabilized oscillator circuit with electronic gain control. Replacing the common filament lamp  for amplitude stabilization, this circuit use....
Crystal Oscillator with CMOS Inverter – Circuit Schematic
Crystal Oscillator with CMOS Inverter
This is an astable multivibrator  (oscillator) circuit using CMOS inverter. This circuit uses CD4007 or MC14007. This circuit has operating frequency range of....
Pulse Generator Produces 3-Phase Output – Circuit Schematic
Pulse Generator Produces 3-Phase Output
This is a schematic diagram of a three-phase pulse generator circuit. This circuit produce 3 phase overlapped output similar with 3 phase  AC powerline, you.....
Voltage Controlled Oscillator for Commercial FM Band – Circuit Schematic
Voltage Controlled Oscillator for Commercial FM Band
VCO (voltage controlled oscillator) is an electronic signal generator which produce a signal that has variable frequency depends on a voltage level at its.....
Starting Network for Astable Multivibrator – Circuit Schematic
Starting Network for Astable Multivibrator
A flip-flop that generates two unstable states (high-low) is called astable multivibrator, a fancy name for you to say it`s an oscillator. The very basic of.....
Wien-Bridge Sine-Wave Oscillator – Circuit Schematic
Wien-Bridge Sine-Wave Oscillator
This is a Wien-bridge sine-wave oscillator circuit. This circuit uses negative-feedback stabilization to make sure the gain won`t go higher than unity to.....
Cmos Pair 2-Mhz Crystal Oscillator – Circuit Schematic
Cmos Pair 2-Mhz Crystal Oscillator
This is a 2 MHz crystal circuit using CMOS pair. This circuit is ideal for uses in digital watches and clock because this circuit has low power drain. The.....
100MHz Varicap Oscillator – Circuit Schematic
100MHz Varicap Oscillator
This is a 100MHz Varicap Oscillator circuit. This circuit can provide modulation signals less than 28V and frequency deviation of 28 MHz peak-to-peak. This.....
Low Distortion Wien Bridge Oscillator – Circuit Schematic
Low Distortion Wien Bridge Oscillator
This Wien bridge oscillator uses incandescent lamp to stabilize its amplitude. This amplitude stabilization gives a low distortion output.  Multiple frequency....
Precision Oscillator With 20ns Switching – Circuit Schematic
Precision Oscillator With 20ns Switching
Precision oscillator can be built using quartz crystal, but with proper component selection, you can also build one with RC  (resistor and capacitor) circuit.....
Micropower VCO (Voltage-Controlled Oscillator) – Circuit Schematic
Micropower VCO (Voltage-Controlled Oscillator)
This is a schematic diagram of a micropower voltage-controlled oscillator circuit. This circuit can generate square and triangle wave outputs and only need.....
Oscillator With Quadrature Output Using 567 IC – Circuit Schematic
Oscillator With Quadrature Output Using 567 IC
Oscillator circuit is an electronic circuit that produce a periodic signal. The term quadrature refers to a fourth (1/4) phase shift of full wave cycle (1/4 of....
Simple Metronome With Transistors – Circuit Schematic
Simple Metronome With Transistors
Flip-flop, as an astable multivibrator, can be used to generate timing signal in music: metronome. By adjusting transistor bias resistor using a 100k.....
Sine Wave Oscillator – Circuit Schematic
Sine Wave Oscillator
This is a Sine Wave Oscillator circuit. This circuit as known as  amplitude-stabilized sine-wave oscillator. It can gives high purity sine-wave output down to....
Precision Squarer – Circuit Schematic
Precision Squarer
Squarer circuit is used to shape signal, to get more defined square wave. This circuit is useful to make convert the signal so it has very fast rise time. Here....
Crystal Oscillator – Circuit Schematic
Crystal Oscillator
Crystal oscillator, especially the low frequency one, can be easily implemented using op-amp as the amplifier. Here is the schematic diagram of such circuit:.....
Crystal Oscillator – Circuit Schematic
Crystal Oscillator
Crystal oscillator, especially the low frequency one, can be easily implemented using op-amp as the amplifier. Here is the schematic diagram of such circuit:.....
555 IC for Square Wave Tone Burst Generator – Circuit Schematic
555 IC for Square Wave Tone Burst Generator
Square wave tone bursts is provided by depressing the pushbutton. It`s duration depends on the duration for which the voltage at Pin 4 exceeds a threshold.....