WebThis chip is a Silicon Labs product. It is a I2C device, currently on 0x63 address. Basically, it has transmission and signal noise level measurement features. The Si4713 integrates transmit functions for FM broadcast stereo transmission. The chip also allows integrated receive power scanning to identify low signal power FM channels. WebMar 25, 2024 · Here is the tinySA Ultra FM measurement of the 100 MHz carrier modulated with a 1 kHz tone at 2.405 kHz deviation: The tinySA Ultra thinks this is 3.0 kHz deviation, when spectral analysis and Mr. Bessel's functions show quite clearly that it is 2.4 kHz deviation. This is why I cannot recommend that you use the FM measurement function …
Quickly Monitor FM Deviation using a Spectrum Analyzer
WebResidual FM measures the unwanted frequency variation in the CW signal of the DUT. This test supports two equipment setups: A Phase Noise System is used to demodulate the … WebFeb 19, 2008 · Could someone please describe to me the calculation behind FM deviation measurement using an oscilloscope? I've made the measurement thousands of times, … the link treatment center
Deviation meter - VK5DJ
WebMain / FM deviation measurement Using a 2kHz tone it is possible to see the carrier dip with a deviation of 2.4, 5.52 and 8.66 times the 2kHz tone. Using a 2M transmitter, a 2kHz tone and a deviation of 5kHz you get the sharp dip at the carrier frequency Using a deviation of 11kHz you get the next bessel zero WebNov 1, 2024 · A quick estimate of FM deviation using a spectrum analyzer that my former lab used was: 1). Capture the unkeyed carrier [Display->Store Trace], 2). Key the carrier … WebApr 4, 2024 · The FM carrier will have a stable amplitude, so given a time domain recording you might look at the zero crossings. The time between crossings in the record will have a maximum and a minimum value. The reciprocals of twice those dtmax and dtmin values will give the maximum frequency deviation in the recording. ticket inspector