Astra Microwave Products Rf Testing Engineer Interview Questions and Answers

Choose a MOSFET based on voltage, current, power dissipation, switching speed, and package type.

• Consider voltage and current requirements

• Look at power dissipation and thermal considerations

• Evaluate switching speed needed for the application

• Choose the appropriate package type for mounting and heat dissipation

• Check for additional features like built-in protection circuits

• Example: For high power applications, choose a MOS

I have designed various tooling elements and selected materials based on their properties and application requirements.

• Designed tooling elements for manufacturing processes such as injection molding, stamping, and machining

• Selected materials based on properties such as strength, durability, and heat resistance

• Considered application requirements such as cost, weight, and environmental factors

• Examples include designing i...read more

We use a combination of CNC machining and injection molding for our manufacturing process.

• CNC machining is used for precision parts

• Injection molding is used for high volume production

• We also use 3D printing for prototyping

• Our manufacturing process is constantly evolving to improve efficiency and quality

Surface finish requirement for tooling elements is critical for achieving desired product quality.

• Surface finish affects the performance of the tooling element.

• It impacts the appearance and functionality of the final product.

• Surface finish is measured in Ra (roughness average) or Rz (roughness depth).

• The required surface finish depends on the application and material being used.

• For example, a mirror finish may be requi...read more

GD&T stands for Geometric Dimensioning and Tolerancing. It is a system of symbols and rules used to specify the geometry of mechanical parts.

• GD&T is used to ensure that parts fit together correctly and function properly.

• Some common symbols used in GD&T include concentricity, perpendicularity, and flatness.

• GD&T is often used in industries such as aerospace, automotive, and manufacturing.

• It allows for more precise commun...read more

CMM software is used to control and operate coordinate measuring machines.

• CMM software is used to create measurement programs for coordinate measuring machines.

• It allows for precise measurement of objects and parts.

• CMM software can analyze data and generate reports.

• Examples of CMM software include PC-DMIS, Calypso, and Metrolog.

My strength is my ability to problem-solve and think critically under pressure.

• Strong problem-solving skills

• Ability to think critically

• Perform well under pressure

• Adaptability to changing situations

• Effective communication skills

I tend to be overly critical of my own work, which can sometimes lead to perfectionism.

• I have a tendency to spend too much time on a task to ensure it is perfect

• I can be overly self-critical and struggle to delegate tasks to others

• I am working on finding a balance between striving for excellence and accepting good enough

Types of communication used in RF units include wireless, Bluetooth, Zigbee, and NFC.

• Wireless communication

• Bluetooth

• Zigbee

• NFC (Near Field Communication)