1kHz precision sine generator using PIC 16F628
This is a very simple circuit where the PIC and an internal 1kHz sinewave table do all the hard work of making an accurate sinewave. Then it needs only a few ex...
68HC08 PLL Clock Generator
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68HC08 PLL Clock Generator
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DIY Homemade Tesla Coil Tuner
DIY Homemade Tesla Coil Tuner. How to make a Tesla Coil Tuner from easily obtainable parts. Find the resonant frequency of Tesla Coil parts.....
DIY Homemade Tesla Coil Tuner
DIY Homemade Tesla Coil Tuner. How to make a Tesla Coil Tuner from easily obtainable parts. Find the resonant frequency of Tesla Coil parts.....
DIY Mini Tesla Coil
This coil operates from 12V or 24V SLA batteries. A pair of car ignition coils are used to provide around 20kV for charging the capacitor bank. The ignition coi...
DIY Mini Tesla Coil
This coil operates from 12V or 24V SLA batteries. A pair of car ignition coils are used to provide around 20kV for charging the capacitor bank. The ignition coi...
DIY Homemade Signal Generator with Pulse Width Modulation
Make a signal generator from easily obtainable parts. Square wave, variable frequency, variable pulse width. This can be used for many things such as DC motor s...
DIY Homemade Signal Generator with Pulse Width Modulation
Make a signal generator from easily obtainable parts. Square wave, variable frequency, variable pulse width. This can be used for many things such as DC motor s...
Crystals circuits
All you need to do is substitute transistors for the tubes used in these fundamental oscillator circuits to bring this article`s content up to date. Or, maybe y...
Crystals circuits
All you need to do is substitute transistors for the tubes used in these fundamental oscillator circuits to bring this article`s content up to date. Or, maybe y...
2 Transistor LED Flasher
This is a classic 2 transistor astable multivibrator. Many other NPN small signal or switching transistors can be used, including 2N4401, PN2222 or 2N2222 using...
2 Transistor LED Flasher
This is a classic 2 transistor astable multivibrator. Many other NPN small signal or switching transistors can be used, including 2N4401, PN2222 or 2N2222 using...
Temperature Compensation ICOMs and TCXOs
This page deals with the subject of replacing the crystal in any type of Temperature Compensated Crystal Oscillator (TCXO), be it a Motorola "Channel Element", ...
Temperature Compensation ICOMs and TCXOs
This page deals with the subject of replacing the crystal in any type of Temperature Compensated Crystal Oscillator (TCXO), be it a Motorola "Channel Element", ...
VFO/BUFFER circuit
It`s basically a standard Hartley oscillator, output is +7 dBm into 50 Ohms. Don`t be tempted to add a gate diode, this circuit doesn`t need it, and it will deg...
Signal Generator circuit
The output level was set to 3. 8V peak to peak, not for any good reason, the first aim was to compare a few different op-amps before trying to further optimise ...
Spot-frequency Sine wave Generator
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1.5V LED Flasher Oscillator
The 8-lead plastic mini-DIP LM3909 IC was developed by National Semiconductor in the mid `seventies of the past century. It was a monolithic oscillator specific...
Low-distortion Audio-range Oscillator
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