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Op-Amp Colpitts Oscillator – Circuit Schematic
Op-Amp Colpitts Oscillator
Colpitts oscillator can be implemented using op-amp as long as we have an op-amp with proper bandwidth. Here is an example of such circuit: LT1190 or  LT1191.....
555 Oscillator With 50% Duty Cycle – Circuit Schematic
555 Oscillator With 50% Duty Cycle
To generate 50% active factor (duty cycle) using 555 IC, we can use two diodes to separate the charging and the discharging path. With no diodes, we can also.....
555 Oscillator With 50% Duty Cycle – Circuit Schematic
555 Oscillator With 50% Duty Cycle
To generate 50% active factor (duty cycle) using 555 IC, we can use two diodes to separate the charging and the discharging path. With no diodes, we can also.....
High Frequency Function Generator Using MAX038 – Circuit Schematic
High Frequency Function Generator Using MAX038
Function generator ranging from 0.1 Hz to 20 MHz can be easily built using MAX038 integrated circuit chip. Here is the most simple implementation of high.....
High Frequency Function Generator Using MAX038 – Circuit Schematic
High Frequency Function Generator Using MAX038
Function generator ranging from 0.1 Hz to 20 MHz can be easily built using MAX038 integrated circuit chip. Here is the most simple implementation of high.....
Sawtooth Signal Generator – Circuit Schematic
Sawtooth Signal Generator
This sawtooth wave generator gives not only the sweep signal at out 1, but also a synchronization output at out 2 when the sawtooth fly back and begin sweeping....
Sawtooth Signal Generator – Circuit Schematic
Sawtooth Signal Generator
This sawtooth wave generator gives not only the sweep signal at out 1, but also a synchronization output at out 2 when the sawtooth fly back and begin sweeping....
PLL Oscillator for Medium Wave Frequency – Circuit Schematic
PLL Oscillator for Medium Wave Frequency
What is a PLL oscillator? PLL stands for phase locked loop, and this means a control method by comparation of the controlled plant or system to a reference.....
PLL Oscillator for Medium Wave Frequency – Circuit Schematic
PLL Oscillator for Medium Wave Frequency
What is a PLL oscillator? PLL stands for phase locked loop, and this means a control method by comparation of the controlled plant or system to a reference.....
Wien Bridge Oscillator Design – Circuit Schematic
Wien Bridge Oscillator Design
One of the simplest sinewave oscillators is the Wien Bridge Oscillator. Any circuit requires 2 conditions to oscillate. Tracing the path from the input, round t...
Wien Bridge Oscillator Design – Circuit Schematic
Wien Bridge Oscillator Design
One of the simplest sinewave oscillators is the Wien Bridge Oscillator. Any circuit requires 2 conditions to oscillate. Tracing the path from the input, round t...
Quartz Crystals – Circuit Schematic
Quartz Crystals
The drive level of a crystal unit is shown by the level of the operating power or the current consumption (see Figures 9, 10, and 11). Operating the crystal uni...
Quartz Crystals – Circuit Schematic
Quartz Crystals
The drive level of a crystal unit is shown by the level of the operating power or the current consumption (see Figures 9, 10, and 11). Operating the crystal uni...
Square Tesla Coil – Circuit Schematic
Square Tesla Coil
The circuit consists of little more than a few coils, a step-up power transformer, and a capacitor. Power from an AC wall receptacle is fed to transformer T1 (a...
Square Tesla Coil – Circuit Schematic
Square Tesla Coil
The circuit consists of little more than a few coils, a step-up power transformer, and a capacitor. Power from an AC wall receptacle is fed to transformer T1 (a...
Variable_audio_oscillator_with_a_range_of_20_hertz_to_20_kilohertz – Circuit Schematic
Variable_audio_oscillator_with_a_range_of_20_hertz_to_20_kilohertz
Variable audio oscillator with a range of 20 hertz to 20 kilohertz. The chip used is an Intersil 8038 waveform generator, which is a 14-pin DIP (courtesy Inters...
Variable_audio_oscillator_with_a_range_of_20_hertz_to_20_kilohertz – Circuit Schematic
Variable_audio_oscillator_with_a_range_of_20_hertz_to_20_kilohertz
Variable audio oscillator with a range of 20 hertz to 20 kilohertz. The chip used is an Intersil 8038 waveform generator, which is a 14-pin DIP (courtesy Inters...
Ultrasonic Drilling Machine Two – Circuit Schematic
Ultrasonic Drilling Machine Two
Work of the circuit The circuit consists of power supply circuit, ultrasonic oscillator circuit, pre-amplifier, amplifier and power amplifier drive output circu...
Ultrasonic Drilling Machine Two – Circuit Schematic
Ultrasonic Drilling Machine Two
Work of the circuit The circuit consists of power supply circuit, ultrasonic oscillator circuit, pre-amplifier, amplifier and power amplifier drive output circu...
UNIVERSAL TEST OSCILLATOR – Circuit Schematic
UNIVERSAL TEST OSCILLATOR
Crystal is in feedback path of Pierce oscillator, between base and collector of al, with 2.5-mH RF choke in place of tuned collector circuit. Oscillator works f...