33220A 20 MHz Function/Arbitrary Waveform Generator
33250A 80 MHz Function/Arbitrary Waveform Generator
N6030A Arbitrary waveform generator, 1.25 G sample per second, 15 bit
N6031A Arbitrary waveform generator, 10 bit, 1.25 G Sa/s
N6032A Arbitrary Waveform Generator, 625 M Sample per second, 15bit
N6033A Arbitrary waveform generator, 10 bit, 625 M Sa/s
View all Agilent Function Generators
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FG2C-UA FUNCTION GENERATOR,3MHZ,COMBINED 110/220V
FG3C-UA SWP/FUNC GENERATOR,3MHZ,COMBINED 110/220V
View all Amprobe Inc. Function Generators
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4051 MULTI-FUNCTION GENERATOR WITH POWER SUPPLY
4070A 21.5 MHZ SYNTHESIZED ARB. WAVEFORM GEN. W/ SOFTWARE
4071 31.5 MHZ SYNTHESIZED ARB. WAVEFORM GEN. W/ SOFTWARE
View all B+K Precision Function Generators
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271-U 10MHZ DDS FUNCTION GENERATOR
281-U 40MS/S UNIVERSAL WAVEFORM GENERATOR
282-U 40MS/S 2CH UNIVERSAL WAVEFORM GENERATOR
284-U 40MS/S 4CH UNIVERSAL WAVEFORM GENERATOR
291-U 100MS/S ARBITRARY WAVEFORM GENERATOR
292-U 100MS/S 2CH ARBITRARY WAVEFORM GENERATOR
294-U 100MS/S 4CH ARBITRARY WAVEFORM GENERATOR
View all Fluke Function Generators
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2910-ARB 100 Msa arbitrary waveform generator (ARB)
View all Keithley Instruments Function Generators
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AM300 2 channel functions-/ arbitrary waveform generator, clock rate max. 100 MHz, 256 kB memory (P/N 1147.1998.03)
View all Rohde & Schwarz, Inc. Function Generators
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706011 FG110 1 Channel, with GPIB
706012 FG120 2 Channel, with GPIB
706111 FG210, 1 Channel
706112 FG220, 2 Channel
706121 FG310, 1 Channel with Arbitrary Sweep and Simple Arbitrary Waveform Generator Functions
706122 FG320, 2 Channel with Arbitrary Sweep and Simple Arbitrary Waveform Generator Functions
View all Yokogawa Function Generators
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Overview:
Function generator is a piece of electronic test equipment used to generate repetitive waveforms. These waveforms can then be injected into a device under test and analyzed as they progress through the device, confirming the proper operation of the device or pinpointing a fault in the device.
Function generators usually generate a triangle waveform as their basic output. The triangle is generated by repeatedly charging and discharging a capacitor from a constant current source. This produces a linearly-ascending or descending voltage ramp. As the output voltage reaches upper and lower limits, the charging and discharging is reversed, producing the linear triangle wave. By varying the current and the size of the capacitor, different frequencies may be obtained.
A 50% duty cycle square wave is easily obtained by noting whether the capacitor is being charged or discharged.
Most function generators also contain a diode shaping circuit that can convert the triangle wave into a reasonably-accurate sine wave.
Function generators, like most signal generators, may also contain an attenuator, various means of modulating the output waveform, and often contain the ability to automatically and repetitively "sweep" the frequency of the output waveform between two operator-determined limits. This capability makes it very easy to evaluate the frequency response of a given electronic circuit.