Table of Contents
What should I look for when buying a function generator?
6 Things to Consider Before Buying a Great Signal Generator.
- Waveforms and modulations. It should go without saying, but it’s critical to consider the types of waveforms that could be produced with the signal generator.
- Frequency Limits.
- Resolution.
- Sampling rate.
- Output Impedance.
- Phase Lock Capability.
What are the different types of function generators?
However there are two main approaches that may be used:
- Analogue function generator: This type of function generator was the first type to be developed.
- Digital function generator: As the name indicates, digital function generators utilise digital technology to generate the waveforms.
What does a DDS signal generator do?
Direct digital synthesis (DDS) is a method of producing an analog waveform—usually a sine wave—by generating a time-varying signal in digital form and then performing a digital-to-analog conversion.
What makes a good function generator?
A common piece of electronic test equipment, a function generator has several high-quality waveforms with accurate, stable frequency and is a convenient source of time-varying electrical signals with an established amplitude, frequency, and waveform.
What is the difference between function generator and waveform generator?
Arbitrary Waveform Generators allow you to generate a user-defined waveform of any size, unlike an Arbitrary Function Generator which can only generate a custom periodic waveform. AWGs operating in Arbitrary Waveform mode only generate each sample of the waveform that is stored in memory in order.
What are the most common features of any function generator?
Typical specifications for a general-purpose function generator are:
- Produces sine, square, triangular, sawtooth (ramp), and pulse output.
- It can generate a wide range of frequencies.
- Frequency stability of 0.1 percent per hour for analog generators or 500 ppm for a digital generator.
What is RF synthesizer?
RF synthesizers generate a wide range of high frequencies from a single, typically lower, reference frequency with an internal PLL. The RF synthesizers are also used to directly provide a clock reference to high-speed RF converters (ADC/DAC). The output frequency range incorporates low MHz to 18GHz.
What is synthesizer in receiver?
A frequency synthesizer is an electronic circuit that generates a range of frequencies from a single reference frequency. The stability and accuracy of the frequency synthesizer’s output are related to the stability and accuracy of its reference frequency input.