Elements and internal function diagram shown in Figure 9-50, c, i, C2 is the feedback capacitance t change in capacity - low frequency change within a certain range of the cuto
Click here to download the full size of the above Circuit.
ff frequency, C thirty, C5 is the output coupling capacitor, under normal circumstances, plus large 4 7 0r.rF can, C6.C 7 to eliminate vibration capacitance, without influence also can not, C3 for the power supply decoupling capacitors should be increased. TDA2822 is dual power amplifier integrated circuit, when the power supply voltage Vc-6V, RL. A 8fl. THD 10%, the output power per channel is lOOOmW o level when working, the quiescent current is very small, only about 8mA, and internal short circuit protector mouth considering, and often carry out regional power and easy to use, the active with speakers on battery box can be installed four on the 5th power pool, in addition, for ease of use, you can purchase a power rectifier circuit shown in Figure 9-52, is an active speaker powered speakers with an external power supply is on switch, when not in use, the switch is on the left, that is, disconnect the power mother is suspected quality problems when TDA2822 measure O, pin voltage is l/2Vc, and also on the speakers emitting diodes, high power when the light emitting diode brightness with the intensity of the music signal winking. Another species ~ active speaker shown in Figure 9-53. The speaker for the plastic structure, volume control and power switch on the box set catchy FIG lOOn.3.3kfl in, 2.7kfl resistors form a simple surround sound circuit shown in Figure 9-54, the left and right channels and remove a section intersect signal amplification.
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.....
characters left: