SPECTRUM ANALYZER PANCA WAHYU MANDIRI ALAT SURVEY & TELECOM FIBER OPTIC: FUSION SPLICER SUMITOMO Z1c, FUSION SPLICER SUMITOMO T81c, FUSION SPLICER FUJIKURA 70s, FUSION SPLICER FUJIKURA 80s, FUSION SPLICER FUJIKURA 62s, FUSION SPLICER FUJIKURA 22s, FUSION SPLICER INNO VIEW Terlengkap

Spectrum Analyzer or spectral analyzer is a device used to examine the spectral composition of some electrical, acoustic, or optical waveform. It may also measure the power spectrum. There are analog and digital spectrum analyzers: * An analog spectrum analyzer uses either a variable band-pass filter whose mid-frequency is automatically tuned (shifted, swept) through the range of frequencies of which the spectrum is to be measured or a superheterodyne receiver where the local oscillator is swept through a range of frequencies. * A digital spectrum analyzer computes the discrete Fourier transform (DFT), a mathematical process that transforms a waveform into the components of its frequency spectrum. Some spectrum analyzers (such as "real-time spectrum analyzers") use a hybrid technique where the incoming signal is first down-converted to a lower frequency using superheterodyne techniques and then analyzed using fast fourier transformation (FFT) techniques.