AT-308(40)

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Attenuators are electrical devices used to reduce the level of an electrical signal without introducing additional noise or reflections. AT-308(40) is one such example of an attenuator, a rheostat attenuator with a concentric knob rotary switch. This device is commonly found in laboratories and test centres in the fields of electrical and electronic engineering.

Applications

The principal applications of AT-308(40) attenuators include controlling the amplitude of signals in measuring instruments, adjusting the level of output signals, and reducing the gain of amplifiers. AT-308(40) attenuators may be used in a variety of industries, including telecommunications, instrumentation, medical and industrial electronics.

The AT-308(40) attenuators are especially useful in providing precise levels of signal attenuation in applications where high frequencies or wide ranges are of paramount importance. Additionally, these attenuators are also used in devices that require a precise level of attenuation such as in audio amplifiers, transducers, and electro-mechanical sensors.

Working Principle

When the concentric knob of AT-308(40) attenuator is rotated, it changes the resistance between the signal source and the device, thereby reducing the amplitude of the signal. The attenuation achieved is proportional to the degree to which the knob is rotated. As the knob is rotated, the resistance decreases and the signal amplitude is reduced. The device is capable of providing signal attenuation up to 40 dB.

AT-308(40) attenuators use a three-terminal configuration consisting of two non-switched terminals and one switched terminal. The two non-switched terminals are connected to the signal source and the load respectively, whereas the switched terminal is connected to the concentric knob. When the knob is rotated, the switch contact is opened or closed, providing signal attenuation. The attenuation level achieved is determined by the degree to which the knob is rotated.

Advantages

The primary advantage of AT-308(40) attenuators is that they are capable of providing precise levels of signal attenuation. This eliminates the need for additional components or tuning. Additionally, as the attenuator is factory set and requires no outside adjustment, it eliminates the risk of wrong settings or misadjustments. The device also requires only minimal power, making it ideal for applications involving high frequencies or wide ranges.

Furthermore, the device is compact and easy to install. It is also highly reliable, making it suitable for use in industries where reliability is of the utmost importance. The device is also maintenance-free, eliminating the need for regular maintenance.

Conclusion

AT-308(40) attenuators are a highly versatile and reliable device that is commonly used in a variety of industries. They are capable of providing precise levels of signal attenuation, and are easy to install. Additionally, these attenuators require minimal maintenance and are highly reliable. This makes them an ideal choice for applications involving high frequencies or wide ranges.

The specific data is subject to PDF, and the above content is for reference