Function Generators

A function generator is a test and measuring device which creates electronic signals in many different waveforms. The generator's main purpose, when connected to a circuit, is to produce controllable waveforms with adjustable frequencies, amplitude outputs, or DC offsets. Function generators help to save time in building oscillators when you are fabricating prototype audio circuits or low and high-pass filters.

Function generators produce a range of different waveforms, such as sine waves, triangular waves, sawtooth waves and square waves. The signal generator can produce repetitive signals and can also change some characteristics of the wave. You can view the signals generated by the device by attaching it to an oscilloscope. Function generators may provide other functions, such as DC offset and variable symmetry. There is usually a screen on the generator which displays the monitoring of the output.

Frequency range and waveforms

  • 0.001 Hz to 2000 MHz Sine wave
  • 0.001 Hz to 160 MHz Square wave
  • 0.001 Hz to 800 kHz Triangle wave

Where are function generators used?

  • Integrated electronic testing
  • Embedded systems
  • Digital circuits
  • Analogue signal processing
  • Laboratory testing

Function Generators vs. Arbitrary Waveform Generators (AWGs)

Function generators are usually slightly cheaper than AWGs and they perform quite similarly. However, Arbitrary Waveform Generators generally provide more functions and offer the ability to create a custom waveform output of any size. Function generators offer a periodic waveform.


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Description Price Calibrated Maximum Frequency Range Sinewave Minimum Frequency Range Sinewave Maximum Frequency Range Square Pulse and Arbitrary Waveform Minimum Frequency Range Square Pulse and Arbitrary Waveform Maximum Frequency Range Triangle/Saw Minimum Frequency Range Triangle/Saw Digital Frequency Digital Amplitude and Offset Internal Linear and Log Sweep Variable Sweep Internal and External Amplitude Modulation FM Modulation Time Base Accuracy
RS Stock No. 123-3556
BrandRS PRO
£315.00
Each
Units
- 5MHz 0.5Hz 5MHz 0.5 Hz 5MHz 0.5Hz Yes Yes Yes Yes Yes Yes ±10ppm
RS Stock No. 124-0252
BrandRS PRO
£442.00
Each
Units
RSCAL 25MHz 0.1Hz 25MHz 0.1 Hz - - Yes Yes Yes - Yes - ±20ppm
RS Stock No. 191-9723
BrandRS PRO
£381.19
Each
Units
- 25MHz - - - - - - Yes Yes - - Yes ±20ppm
RS Stock No. 191-9724
BrandRS PRO
£656.97
Each
Units
- 25MHz - - - - - - Yes Yes - - Yes ±20ppm
RS Stock No. 191-9725
BrandRS PRO
£417.00
Each
Units
- 25MHz - - - - - - Yes Yes - - Yes ±20ppm
RS Stock No. 124-0226
BrandRS PRO
£349.00
Each
Units
- 25MHz 0.1Hz 25MHz 0.1 Hz - - Yes Yes Yes - Yes - ±20ppm
RS Stock No. 191-9722
BrandRS PRO
£312.00
Each
Units
- 25MHz - - - - - - Yes Yes - - Yes ±20ppm
RS Stock No. 191-9784
BrandRS PRO
£953.97
Each
Units
RSCAL 25MHz - - - - - - Yes Yes - - Yes ±20ppm
RS Stock No. 191-9727
BrandRS PRO
£868.97
Each
Units
- 25MHz - - - - - - Yes Yes - - Yes ±20ppm
RS Stock No. 191-9783
BrandRS PRO
£640.15
Each
Units
RSCAL 25MHz - - - - - - Yes Yes - - Yes ±20ppm
RS Stock No. 191-9726
BrandRS PRO
£555.15
Each
Units
- 25MHz - - - - - - Yes Yes - - Yes ±20ppm
RS Stock No. 191-9782
BrandRS PRO
£502.00
Each
Units
RSCAL 25MHz - - - - - - Yes Yes - - Yes ±20ppm
RS Stock No. 191-9781
BrandRS PRO
£727.97
Each
Units
RSCAL 25MHz - - - - - - Yes Yes - - Yes ±20ppm
RS Stock No. 191-9780
BrandRS PRO
£452.19
Each
Units
RSCAL 25MHz - - - - - - Yes Yes - - Yes ±20ppm
RS Stock No. 191-9779
BrandRS PRO
£383.00
Each
Units
RSCAL 25MHz - - - - - - Yes Yes - - Yes ±20ppm
RS Stock No. 467-7418
Mfr. Part No.TG315
BrandAim-TTi
£326.00
Each
Units
RSCAL 3MHz 0.03Hz 3MHz 0.03 Hz 3MHz 0.03Hz Yes Yes - - - - ±10ppm
RS Stock No. 898-8692
Mfr. Part No.AFG1062
BrandTektronix
£914.00
Each
Units
RSCAL 60MHz 1µHz 30MHz 1 μHz - - Yes Yes Yes - Yes Yes ±1ppm
RS Stock No. 898-6858
Mfr. Part No.AFG1062
BrandTektronix
£844.00
Each
Units
- 60MHz 1µHz 30MHz 1 μHz - - Yes Yes Yes - Yes Yes ±1ppm
RS Stock No. 465-8906
Mfr. Part No.TG315
BrandAim-TTi
£255.00
Each
Units
- 3MHz 0.03Hz 3MHz 0.03 Hz 3MHz 0.03Hz Yes Yes - - - - ±10ppm
RS Stock No. 467-7452
Mfr. Part No.TG330
BrandAim-TTi
£420.00
Each
Units
RSCAL 3MHz 0.03Hz 3MHz 0.03 Hz 3MHz 0.03Hz Yes Yes Yes Yes Yes - ±10ppm