An input signal is mixed with sampling signals from oscillators which vary the frequency of the sampling signal from a first frequency to a second frequency. The resulting Intermediate Frequency (IF) signal is processed and digital values are stored in a memory in response thereto. Waveforms are then...http://www.google.fr/patents/US4244024?utm_source=gb-gplus-shareBrevet US4244024 - Spectrum analyzer having enterable offsets and automatic display zoom
Spectrum analyzer having enterable offsets and automatic display zoom
