Ultrasonic Circuits
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The medical ultrasonic atomizer circuit is composed of power supply circuit, ultrasonic oscillator and atomizer circuit, it is shown in the figure 9-110. The power supply circuit is made of timer Q, fuse FU, current transformer T, bridge rectifiers UR,.... -
The medical ultrasonic atomizer circuit is composed of power supply circuit, atomization amount liquid level detection control circuit, ultrasonic oscillator and fan motor M, it is shown in the figure 9-111. The power supply circuit is made of timer Q, fuses.... -
The medical ultrasonic atomizer circuit is composed of power supply circuit, on the low side of liquid level protection control circuit, ultrasonic oscillator and fan drive circuit, it is shown in the figure 9-112. The power supply circuit is made of power.... -
The ultrasonic atomizer circuit is composed of the power supply circuit, oscillator circuit and the water level control circuit, and the cirucuit is shown in Figure 3-189. Power supply circuit is composed of the power transformer T, rectifier diodes VDl-VD4,.... -
The ultrasonic drilling machine circuit is composed of power supply circuit, ultrasonic oscillator circuit, preamplifier, promoting amplifier circuit and power amplifier output circuit, and the circuit is shown as the chart. Ultrasonic oscillator circuit.... -
This circuit shows both sections of an LM833 that is connected as a filter to reject undesired ultrasonic signals. The filter characteristic is 4th-order Bessel with the -3-dB frequency at about 40 kHz. Resistors and capacitors should be 1%-tolerance.... -
You won`t be disappointed with the performance of this sensitive ultrasonic receiver. It can let you listen to bugs, bats, engines, and virtually any other source of ultrasonic sounds. This circuit uses a piezo tweeter as an ultrasonic microphone, amplifier.... -
The picture shows the ultrasonic liquid level indicator circuit. This circuit is made up of ultrasonic transmitter circuit and receiver circuit.The ultrasonic transmitter circuit is made up of 555, R1, W1, C1 and ultrasonic transmitter head UCM40T. The.... -
The SC41343 is designed as one kind of infrared, ultrasonic or RF remote control launch coding circuit. The internal circuit is composed of the sequence generator, control logic circuit?4-bit shift register?data extraction circuit and the latch circuit..... -
Work of the circuit The circuit consists of power supply circuit, ultrasonic oscillator circuit, pre-amplifier, amplifier and power amplifier drive output circuit. (It is showed in picture 8-125.)Power supply circuit consists of power switch Sl, fuse FU,.... -
This is ultrasonic proximity detector circuit. This circuit consist of micropower opamp and a pair of matched piezo-ceramic tranducers. It uses a 9V battery as.... -
Ultrasonic sound wave can be generated using electronic circuit. This simple electronic circuit can generate an ultrasonic wave with frequency range of 12 to.... -
This ultrasonic movement detector circuit uses a crystal locked circuit to get maximum performance from the ultrasonic transmitter. However, the detection circuit is different. think it is more sensitive. Check all the components against the parts list. It.... -
This ultrasonic anemometer serves for the 2-dimensional capture of the horizontal components of the wind speed and the wind direction as well as the virtual temperature. On account of the high measuring rate this device is suited very well to capture gusts.... -
This circuit detects motion within approximately 5 inches of a piezo-ceramic element ultrasonic transducer. The detection distance is much smaller than obtainable with other ultrasonic techniques, however, it only requires a single transducer, as opposed to.... -
Five-stage amplifier Q1-5 amplifies both control signals, 38. 285 kc and 41. 805 kc, while Q6 and Q7 operate as class B detector-amplifiers to eliminate need for separate diode detectors. Desired control frequency energizes only one coil of double-fulcrum.... -
This basic ultrasonic generator can be built easily and quickly. An NE555 drives a speaker. The frequency range is 12 to 50 kHz. SPKRI is a piezo tweeter, etc. .. -
The device emits ultrasonic sound waves that sweep between 65, 000 and 25, 000 hertz. Designed around a 556 dual timer, one half operated as an astable nultivibrator with an adjustable frequency of 1 to 3 Hz. The second half is also operated as an astable.... -
The 4046 PPL is used as the heart of a tunable ultrasonic receiver that can be used to locate unheard ultrasonic sounds. The receiver might also be used, along with a simple ultrasonic generator, to send and receive Morse code. The incoming ultrasonic signal.... -
This circuit is a 555 timer IC connected as a square-wave generator. Its base frequency is approximately 45 kHz, as determined by the values of R1, R2, and C1. The 45-kHz carrier is frequency modulated by a modified trapizoidal voltage waveform applied to.... -
Ultrasonic Cleaning the main role in the use of ultrasonic cavitation. Role in the sound field, there is liquid in the bubble will have high-frequency micro-vibration, when the sound pressure reaches a certain value, the rapid growth of air bubbles and then.... -
It`s well known that many animals are particularly sensitive to high-frequency sounds that humans can`t hear. Many commercial pest repellers based on this principle are available, most of them operating in the range of 30 to 50 kHz. My aim was, however, to....
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This project fits more for custom made battery casing that can have more space to hide things inside. This switch with few alterations can be used for any other project as well but is designed based on e-bike needs! This project use a clever functionality of.... -
The circuit described here uses ultrasonic oscillations and operates based on the propagation velocity of these oscillations in the air. Thus, we can easily determine the distance of two points if the time within which the wave travels this distance is.... -
Sometimes the precious metals are hidden too deep and are not detected except with complicated devices. In many cases, however, small pieces of precious metal buried near the surface can be detected by relatively simple means. Everyone is very attractive to.... -
Many times for various reasons we forget or can not water the plants that we have in our homes. And many humidity sensors units just notify us with a beeping sound or with a flashing light, that the pot needs watering. But what if we are away from home? This.... -
The principle behind a metal detector is really very simple. Proof of this is the circuit that follows, in which it proves that the construction of a metal detector can be done in the minute, with few components that we find very easily everywhere. With the.... -
The sub-harmonic bass generator is a sound producing unit for guitars. The sound it produces looks very much like that of the bass guitar. The octave generator is sometimes quite unusual since it does not produce any of the usual ways of coloring the sound,.... -
In the past the sounding (sea bottom measurement) was done with the "bullet", that is, with a heavy lead object that the seamen plucked into the sea hung from a calibrated rope. As soon as the "bullet" reached the bottom, the depth appeared directly from the.... -
This Amplifier was designed to have the following specifications: Distortion less than 0.1% at full power of 100W even at 20KHz. Power has to be attributed to an extended bandwidth. The output transistors must be protected against short circuits. The power.... -
A series of LEDs serve to alert the gardener when plants need water. Using two conventional digital integrated LEDs and a series of LEDs, we make a very useful device for gardening. The device detects the amount of water in the pot and alerts the grower.....
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