768A-3

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 components used to reduce the amplitude of an electrical signal without changing other signal parameters such as frequency, shape, or phase. The type of attenuator used mainly depends on the type of signal that needs to be attenuated, but can also depend on the amount of attenuation that is required. One type of attenuator is the 768A-3, which is a precision attenuator designed for use in automated test systems. This article will discuss the application field and working principle of the 768A-3 attenuator.

Application Field

The 768A-3 is designed for use in large automated test systems, and is designed to minimize mismatch errors when measuring signals with different impedances. The 768A-3 also provides a stable, low-power connection point for making the measurement. This makes it ideal for applications in both laboratory and production test environments. Some of the most common applications of the 768A-3 include:

• Measuring voltage, resistance, capacitance, and current in printed circuit boards.
• Measuring the frequency of digital signals.
• Measuring the impedance of AC signals.
• Testing transistors, integrated circuits, and other electronic components.
• Monitoring the electrical characteristics of electronic circuits.

Working Principle

The 768A-3 operates on a similar principle to a resistor divider. An input signal is received at the 768A-3, and is then divided into two signals, one of which is sent to the output and the other is sent to the impedance network. The impedance network then attenuates the signal before sending it to the output. This attenuation is controlled by the various dials located on the 768A-3.

Additionally, the 768A-3 features Variable Impedance Adjustment (VIA) which allows for an additional level of impedance control. This makes the output impedance customizable and allows for different impedance levels to be used. This allows for more accurate measurements to be taken at different levels of impedance.

The 768A-3 also features a built-in over-temperature protection system which prevents the instrument from overheating and damaging other components in the system. This helps to ensure that the circuit components are not damaged during the testing process.

Overall, the 768A-3 is a reliable, precision attenuator designed for use in automated test systems. It offers a wide range of features and is designed to minimize mismatch errors when measuring signals with different impedances. It is also easy to use and features a built-in over-temperature protection system which helps to keep other components safe.

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