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 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 Attenuation
RS Stock No. 667-2591
Mfr. Part No.33210A
SGD2,114.72
Each
units
10MHz 0.001Hz 3 MHz, 5 MHz, 10 MHz 0.001 Hz, 1 mHz 100kHz 0.001Hz Yes Yes Yes Yes Yes Yes ±20ppm -
RS Stock No. 763-9125
Mfr. Part No.33511B
SGD3,304.35
Each
units
20MHz 1µHz 20MHz 1 μHz 20kHz 1µHz Yes Yes Yes Yes Yes Yes ±0.1ppm -
RS Stock No. 121-7543
Mfr. Part No.BK4013B
SGD774.34
Each
units
12MHz 0.1Hz 12MHz 0.1 Hz 1MHz 0.1Hz Yes Yes Yes Yes - - - -
RS Stock No. 123-3555
BrandRS PRO
SGD540.73
Each
units
3MHz 0.3Hz 3MHz 0.3 Hz 3MHz 0.3Hz Yes Yes Yes Yes Yes Yes ±10ppm -20dB
RS Stock No. 121-7544
Mfr. Part No.BK4014B
SGD936.40
Each
units
12MHz 0.01Hz 12MHz 0.01 Hz 1MHz 0.01Hz Yes Yes Yes Yes Yes Yes - -
RS Stock No. 686-2093
Mfr. Part No.U2722A
SGD3,974.25
Each
units
- - - - - - - - - Yes - - - -
RS Stock No. 388-593
Mfr. Part No.HM8150
SGD2,283.47
Each
units
12.5MHz 10mHz 12.5MHz 10 mHz 250kHz 10mHz Yes Yes Yes Yes Yes - - -20dB
RS Stock No. 465-8906
Mfr. Part No.TG315
BrandAim-TTi
SGD518.03
Each
units
3MHz 0.03Hz 3MHz 0.03 Hz 3MHz 0.03Hz Yes Yes - - - - ±10ppm -60 dB, -40 dB, -20 dB, 0 dB
RS Stock No. 800-8248
Mfr. Part No.TG2512A
BrandAim-TTi
SGD1,507.75
Each
units
25MHz 1µHz 6 MHz, 6.25 MHz, 25 MHz 1 μHz, 500 μHz 500kHz 1µHz Yes Yes Yes Yes Yes Yes 1ppm -
RS Stock No. 123-3533
BrandRS PRO
SGD527.52
Each
units
25MHz 0.1Hz 25MHz 0.1 Hz 1MHz 0.1Hz Yes Yes Yes Yes Yes Yes ±20ppm -
RS Stock No. 123-3529
BrandRS PRO
SGD347.45
Each
units
5MHz 0.1Hz 5MHz 0.1 Hz 1MHz 0.1Hz Yes Yes Yes Yes Yes Yes ±20ppm -
RS Stock No. 123-3554
BrandRS PRO
SGD446.19
Each
units
3MHz 0.3Hz 3MHz 0.3 Hz 3MHz 0.3Hz Yes Yes Yes Yes Yes - ±10ppm -20dB
RS Stock No. 800-3173
Mfr. Part No.TG5011A
BrandAim-TTi
SGD1,389.82
Each
units
50MHz 1µHz 10 MHz, 12.5 MHz, 50 MHz 1 μHz, 500 μHz 1MHz 1µHz Yes Yes Yes Yes Yes Yes - -
RS Stock No. 763-9144
Mfr. Part No.33522B
SGD5,375.25
Each
units
30MHz 1µHz 30MHz 1 μHz 20kHz 1µHz Yes Yes Yes Yes Yes Yes ±0.1ppm -
RS Stock No. 454-6689
Mfr. Part No.GF266
BrandELC
SGD762.49
Each
units
12MHz 11µHz - - - - Yes Yes Yes - Yes - - -40 dB, -20 dB, 0 dB
RS Stock No. 707-2853
Mfr. Part No.TG1000
BrandAim-TTi
SGD919.91
Each
units
10MHz 1mHz 10MHz 1 mHz 1MHz 1mHz Yes Yes Yes Yes Yes Yes ±10ppm -
RS Stock No. 763-9122
Mfr. Part No.33510B
SGD4,427.65
Each
units
20MHz 1µHz 20MHz 1 μHz 20kHz 1µHz Yes Yes Yes Yes Yes Yes ±0.1ppm -
RS Stock No. 879-3826
Mfr. Part No.GX310
BrandMetrix
SGD1,053.71
Each
units
10MHz 0.001Hz 10MHz 0.001 Hz 2MHz 0.001Hz Yes Yes Yes - - - - -
RS Stock No. 123-3534
BrandRS PRO
SGD835.15
Each
units
25MHz 1µHz 25MHz 1 μHz 1MHz - Yes Yes Yes Yes Yes Yes ±20ppm -
RS Stock No. 465-8928
Mfr. Part No.TG330
BrandAim-TTi
SGD701.23
Each
units
3MHz 0.03Hz 3MHz 0.03 Hz 3MHz 0.03Hz Yes Yes Yes Yes Yes - ±10ppm -60 dB, -40 dB, -20 dB, 0 dB