What is a signal generator?

A signal generator is an electronic device that generates repeating or non-repeating electronic signals (in either the analog or digital domains). These signals can be used to test, design, and troubleshoot various types of electronic devices and systems.

How are signal generators used?

Function generators and Source Measure Units (SMUs) are versatile tools used in various applications across electronics and engineering. Function generators are commonly used for circuit testing, where they help assess the performance of filters, amplifiers, and signal conditioning circuits. In communication systems, they test modulation and demodulation processes as well as signal integrity. They are also valuable in educational settings for demonstrating waveform generation and supporting student projects. Additionally, function generators are used for troubleshooting, diagnosing faults, and calibrating equipment, as well as in audio testing to evaluate frequency response and distortion in audio devices. Medical equipment testing and development also benefit from function generators by allowing for the testing and calibration of diagnostic tools.

SMUs are primarily used for semiconductor testing, measuring current-voltage characteristics and leakage currents. They play a crucial role in material testing, assessing resistivity and conductivity. Battery testing and power supply analysis involve conducting charge and discharge cycles. SMUs are also used for component testing, measuring resistance and capacitor leakage. In LED and photodiode testing, SMUs help characterize electrical and light properties. They are essential in electrochemical applications, testing electrochemical cells and corrosion processes. Finally, in research and development, SMUs are used for precise measurements in nanotechnology and physics research. These tools are indispensable for testing, analyzing, and developing a wide range of electronic systems and components.

What are the types of signal generators?

• Function Generators: Produce simple repetitive waveforms such as sine, square, triangle, and sawtooth waves.
• Pulse Generators: Generate pulse waveforms with variable duration, period, and amplitude, used for digital circuits and timing analysis.
• Arbitrary Waveform Generators: Can produce any waveform shape defined by the user, providing flexibility for complex signal creation.
• Source Measure Units (SMUs): Provide precise voltage and current sourcing along with measurement capabilities, used for testing and characterizing electronic components and circuits.
• RF Signal Generators: Generate high-frequency signals in the radio frequency range, typically used for testing communication equipment.