build an infrasound generator circuit for ghost effects
#infrasound
#ghost effects
#low frequency
#audio generator
#sound effects
#signal generator
#frequency oscillator
#haunted house
#DIY projects
#entertainment
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Sound effects generator (UM3561)
A simple sound generator IC that can produce four sound effects. Designed for use in toys, the effects are selected by varying the connections to pins 1 and 6 as follows. More: A usual toy sounder IC circuit.
The sound generator...
RF Signal Generator
This signal generator is designed for the realignment of radio receivers. It is an economical and straightforward unit, adequate for its intended application. However, the output is not a pure sine wave, which may limit its suitability for more precise...
Test Signal Generator
This signal generator uses a three channel DAC to generate Composite video signal (CVBS) and S video signal (Y/C separated) at the same time, left one channel is not used in NTSC format. It is assigned for one of the...
The Multi-purpose signal generator circuit
The multi-purpose signal generator circuit consists of integrated circuit oscillators and frequency dividers. It generates square waves ranging from high frequencies to sub-audio frequencies and also produces a frequency standard in the VHF range. The alternative oscillator section feeds the...
1.8kHz signal generator circuit
The circuit depicted in the figure allows for the selection of optimal operating conditions and a suitable allocation of the temperature coefficient for the resonant circuit components. The resonance occurs at both ends of the circuit. Additionally, the exchange regulator...
Sound Effects Generators
The integrated circuit (IC) generates various sound effects, with the output at Pin 3 amplified by a transistor. A 64-ohm loudspeaker can replace the 56-ohm resistor and 8-ohm loudspeaker. A two-pole, four-way switch controls the sound effects, with position 1...
Signal Generator 20KHz
This function generator IC is specified to work to 20 MHz. So far, this unit works nicely to 50KHz. Since I seldom need signals higher than that, it has taken up a happy home on my workbench and further development...
RF Signal Generator circuit
This signal generator is designed for the realignment of radio receivers. The unit is inexpensive and relatively simple but adequately serves its intended purpose. However, the output is not a pure sine wave, which may make it unsuitable for more...
DIY Homemade Signal Generator with Pulse Width Modulation
Construct a signal generator using readily available components. It should produce a square wave with variable frequency and adjustable pulse width. This device can be utilized for various applications, including DC motor speed regulation, dimming of lamps or LEDs, transformer...