Seconda parte della serie “Entriamo nei dettagli del DSP o “Digital Signal Processing”” all’interno della Rubrica Firmware Reload di Elettronica Open Source. I FILTRI DIGITALI
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Entriamo nei dettagli del DSP o “Digital Signal Processing” – Parte 1
In questo articolo della Rubrica Firmware Reload diamo dei rapidi cenni sui filtri e sulle tecniche per il trattamento dei segnali. Queste nozioni di base
Read moreWhy is my signal so strong? My HF ham radio portable antenna kit
What do I carry with me when I hit the road for a Parks on the Air or some other kind of portable radio activity.
Read moreCAD in Rete: Signal Integrity
Sul blog di Elettronica Open Source puoi leggere non solo tutti gli articoli Premium riservati agli abbonati Platinum 2.0 e inseriti nella rivista Firmware 2.0
Read moreAdding dB Gain to your Transmit Signal. Howe much difference?
There are a number of ways to add dB gain to your transmitted signal. But how much difference does 3dB or 6dB make? Is it
Read moreI nuovi oscilloscopi Mixed Signal Serie 2 di Tektronix
Tektronix, Inc, leader nel mercato delle soluzioni innovative per test, misurazione e monitoraggio, ha annunciato l’introduzione degli oscilloscopi a segnali misti della Serie 2, strumenti
Read moreYaesu FTDX10 vs Kenwood TS590SG on weak signal RX
“You decide. Not scientific, but just a video showing the similarities in these 2 rigs on weaker signals on 15M CW as the band was
Read moreSignal Stick Super Elastic Antennas | Every HT Needs One
Reviewing the Super Elastic Signal Stick Antenna by SignalStuff Features: Frequency range: Dual band version – 1/4 wave on 2 meter (144-148Mhz) and 3/4 wave
Read moreRadio Receiver Signal to Noise Ratio SNR Specification
One of the key performance attributes of any radio receiver old or new, professional or domestic is its sensitivity. It needs to be able to
Read moreHow well is the VHF Repeater Hearing your Signal?
VHF Repeater “Collin, K0NNK, is having some trouble with is antenna and a nearby repeater. He hit a 2 meter repeater full quieting but the
Read moreMysterious Radio Signal Discovered in Milky Way Center | What Is It!?
Ziteng (Andy) Wang is a PhD student at the University of Sydney. He recently discovered an unusual radio signal coming from the direction of the
Read moreFTdx10 & IC-7300 Weak CW Signal RX Comparison
“My good friend Joel, KC4WZB, loaned me his brand new Yaesu FTdx10. When I say loaned, I mean he picked it up at Ham Radio
Read moreHT Antenna Comparison – Signal Stick, Diamond SRH770S and Abbree
“In this video I compare three antennas to see which one, if any, out performs the others. I will be comparing the Signal Stick from
Read moreBritish Columbia Radio Amateur Copies Signal from Mars-Orbiting Satellite
As reported on Spaceweather.com, Canadian radio amateur Scott Tilley, VE7TIL, has snagged another signal from deep space. His latest conquest has been to copy the signal
Read moreThe new ISS FM repeater is AWESOME! 30-degree pass and I had S9 signal on the downlink for 90 seconds here in Minnesota
The new ISS FM repeater is AWESOME! 30-degree pass and I had S9 signal on the downlink for 90 seconds here in Minnesota The new
Read moreThe Super Elastic Signal Stick antenna review and testing
< Who is Signal Stuff? In a world where Amateur Radio ought to be on the cutting edge of technology, far too often hams
Read moreAM and Single Sideband Signal Spectra
Equipment HF Mini Whip Active Antenna 10Khz – 30 MHz May 25, 2020 No comments Read more Rotator Genius – 4O3A May 24, 2020 No
Read moreDigital Signal Processor: la tecnologia digitale applicata all’analisi dei segnali
L’elaborazione numerica dei segnali, di qualunque natura essi siano, rappresenta senza ombra di dubbio una delle tecnologie che hanno riscosso il maggiore successo ed attenzione
Read moreBIG SIGNAL 6BS-70 – 432 MHz
Specifications: Band: 432 MHz. Active elements: 6. Gain: 12.6 dBi. F / B: 23.00 dB. · Polarization: Horizontal or Vertical · SWR: 1.1: 1 ~ 1.5: 1. Impedance: 50 Ohm. · Power rating: 5000
Read moreBIG SIGNAL 2BS-5B – 5 band antenna
In BIG SIGNAL we present the multi-band cubic antenna with 2 elements and 5 bands. The true queen of DX! E ste is a model that breaks all the
Read moreSignal Integrity: cos’è e quando preoccuparsene
Considerare una segnale digitale coma un’onda quadra ideale è solo un’approssimazione che non sempre è applicabile. Ecco cosa succede in realtà. Tutti ci rendiamo conto che considerare un
Read moreHams Help Trace “Mystery” Signal Disrupting Keyless Entry Devices in Ohio
“A recent article in The New York Times reported that many garage door openers and keyless vehicle entry fobs in an Ohio town near Cleveland mysteriously stopped working. While
Read moreN1MM+ Logger – SSB signal detection and QSY via keyboard
VHF Slide Lock for Ham Radios April 24, 2015 No comments The ET-850 Locking Slide Mount provides convenience, ease of use and security in a black, powder-coat
Read moreBIG SIGNAL DX-Quad – 5 Bands!
Discover the BIG SIGNAL DX-Quad antenna , this new design of a single element Multi-Band Quad covers up to 5 bands in HF from 10 to 20 meters. An
Read more2.5 milliwatt OPERA signal via Es’hail-2 geostationary satellite
Markus Vester DF6NM successfully used the digital mode OPERA to send a 2.5 milliwatt signal on 2.4 GHz through the amateur radio transponder on the Es’hail-2
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