Oscilloscopes are time-domain instruments, but because they digitize waveforms, oscilloscopes can process time-domain signals into the frequency domain. The FFT (Fast Fourier Transform), spectrum ...
B&K Precision launched its 4060 Series line of dual channel function/arbitrary waveform generators. The series includes three models that generate sine waveforms up to 80 MHz (4063), 120 MHz (4064), ...