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. 136-2928
Mfr. Part No.BV0002B -1TP
£196.45
Each
Units
- - - - - - - - - - - - - -
RS Stock No. 175-9991
Mfr. Part No.BK4005DDS
£366.00
Each
Units
RSCAL 5MHz 1Hz 5MHz 1 Hz 5MHz 1Hz Yes Yes - - - - -
RS Stock No. 175-2533
Mfr. Part No.BK4011A
£403.00
Each
Units
- 5MHz 0.5Hz 5MHz 0.5 Hz 5MHz 0.5Hz - - - - - - ±10ppm
RS Stock No. 188-6967
Mfr. Part No.SQ100
BrandIKALOGIC
£102.34
Each
Units
- - - - - - - Yes - - - - Yes -
RS Stock No. 179-3504
Mfr. Part No.AFG31021
BrandTektronix
£1,680.00
Each
Units
- 25MHz - 20MHz 1 μHz 500kHz 1µHz Yes Yes Yes - Yes Yes -
RS Stock No. 179-3511
Mfr. Part No.AFG31022
BrandTektronix
£2,735.00
Each
Units
RSCAL 25MHz - 20MHz 1 μHz 500kHz 1µHz Yes Yes Yes - Yes Yes -
RS Stock No. 179-3515
Mfr. Part No.AFG31102
BrandTektronix
£4,835.00
Each
Units
RSCAL 100MHz - 80MHz 1 μHz 1MHz 1µHz Yes Yes Yes - Yes Yes -
RS Stock No. 181-3541
Mfr. Part No.TGF4082
BrandAim-TTi
£695.00
Each
Units
- 80MHz 1µHz - 1 μHz 5MHz 1µHz Yes Yes Yes Yes - Yes <±1 (Initial Settling Error) ppm, <±1(Oscillator Aging Rate) ppm, <1(Temperature Range) ppm
RS Stock No. 179-8129
Mfr. Part No.AFG31252
BrandTektronix
£11,100.00
Each
Units
- 250MHz 1µHz 160MHz 1 μHz - - Yes Yes Yes Yes Yes Yes -
RS Stock No. 179-3509
Mfr. Part No.AFG31102
BrandTektronix
£4,750.00
Each
Units
- 100MHz - 80MHz 1 μHz 1MHz 1µHz Yes Yes Yes - Yes Yes -
RS Stock No. 179-8136
Mfr. Part No.AFG31252
BrandTektronix
£11,193.00
Each
Units
RSCAL 250MHz 1µHz 160MHz 1 μHz - - Yes Yes Yes Yes Yes Yes -
RS Stock No. 179-8139
Mfr. Part No.AFG31151
BrandTektronix
£4,068.00
Each
Units
RSCAL 150MHz 1µHz 120MHz 1 μHz - - Yes Yes Yes Yes Yes Yes -
RS Stock No. 179-8132
Mfr. Part No.AFG31151
BrandTektronix
£3,940.00
Each
Units
- 150MHz 1µHz 120MHz 1 μHz - - Yes Yes Yes Yes Yes Yes -
RS Stock No. 175-9993
Mfr. Part No.BK4012A
£492.00
Each
Units
RSCAL 5MHz 0.5Hz 5MHz 0.5 Hz 5MHz 0.5Hz Yes Yes Yes Yes - - ±10ppm
RS Stock No. 179-8138
Mfr. Part No.AFG31152
BrandTektronix
£5,713.00
Each
Units
RSCAL 150MHz 1µHz 120MHz 1 μHz - - Yes Yes Yes Yes Yes Yes -
RS Stock No. 188-6970
Mfr. Part No.SP209i
BrandIKALOGIC
£386.14
Each
Units
- - - - - - - - - - - - - -
RS Stock No. 175-9992
Mfr. Part No.BK4011A
£474.00
Each
Units
RSCAL 5MHz 0.5Hz 5MHz 0.5 Hz 5MHz 0.5Hz - - - - - - ±10ppm
RS Stock No. 175-2534
Mfr. Part No.BK4012A
£421.00
Each
Units
- 5MHz 0.5Hz 5MHz 0.5 Hz 5MHz 0.5Hz Yes Yes Yes Yes - - ±10ppm
RS Stock No. 188-6969
Mfr. Part No.SP209
BrandIKALOGIC
£300.14
Each
Units
- - - - - - - - - - - - - -
RS Stock No. 188-6968
Mfr. Part No.SQ200
BrandIKALOGIC
£128.14
Each
Units
- 200MHz 10kHz 50MHz 1 Hz - - Yes - Yes Yes - Yes 50ppm