TGxA Series Function Generators: Internal and External Modulation
modulator and modulated waveforms are shown simultaneously
Sweep, Burst and Gated modes of operation are also available.
Digital Modulation, Internal and External
Both generators offer a comprehensive set of digitally based modulations.The internal modulation source can use any of the standard or arbitrary waveforms within the generator (including noise) thus removing the need for an external modulation source. A modulating frequency between 1µHz and 1MHz can be specified.
An external modulation input enables any external waveform source to be used when required. The bandwidth is DC to 20kHz.
AM, FM and PM
Sine, square, ramp or arbitrary waveforms can be modulated using amplitude, frequency or phase modulation.Amplitude depth is variable from 0.0% to 120.0%, frequency deviation from zero to Fmax/2, and phase deviation from -360.0 to +360.0 degrees.
PWM
Pulse width modulation is available for the pulse function using any standard or arbitrary waveform including noise.Pulse width deviation is variable between 0% and 100%.
FSK
Frequency shift keying between any two frequencies is available for sine, square, ramp or arbitrary waveforms using the internal trigger generator or an external trigger signal.The internal trigger generator is variable between 2mHz and 1MHz with 9 digit resolution.