Automotive Electronics Practice Test

What type of lead connector is used in oscilloscopes?

1. Banana plugs

2. Double banana plugs

3. Single conductor plugs

4. BNC

The correct answer is: BNC

Oscilloscopes commonly utilize BNC connectors for their lead connections due to their superior reliability and performance. The BNC connector, which stands for Bayonet Neill-Concelman, features a locking mechanism that ensures a secure connection, preventing accidental disconnections during measurements. This is vital in oscilloscopes, where consistent, stable connections help maintain accurate signal analysis. BNC connectors are designed to handle high-frequency signals without significant loss, making them suitable for the precise requirements of oscilloscopes. They are characterized by their 75-ohm and 50-ohm versions, allowing them to be tailored for specific applications in telecommunications and broadcasting, as well as for general-purpose testing and measurement. Other types of connectors, such as banana plugs and single or double banana plugs, serve different purposes. Banana plugs are often used in general circuit testing and laboratory equipment but do not offer the same level of security or signal integrity as BNC connectors in high-frequency scenarios. The specific design and application needs of oscilloscopes make BNC connectors the ideal choice for connecting probes to the device.