Mese: Dicembre 2020

Vediamo in questo articolo della rubrica Firmware Reload una breve trattazione sugli alimentatori switching di tipo flyback e sulla questione dell’isolamento tra ingresso e uscita….

New Zealand is putting wireless power transfer (WPT) systems using 148.5 kHz to 30 MHz into the General User Radio Licence for Short Range Devices (GURL-SRD)…

JH1CBX Masaco introduces some advanced operation of the IC-705; Terminal mode, Image sharing, RTTY, FT8 and contest operation. Antenna 90’ MAGNETIC LOOP T3FD TERMINATED FOLDED…

Automatic antenna tuner specifically designed for IC-705 Antenna 80 Meter Shortened Inverted-L Bazooka Antenna October 05, 2015 No comments Bazooka Antenna A DOUBLE BAZOOKA antenna…

Today we take a look at the interesting freatures on the Yaesu FTdx-10 and I give you my review. Also, I explain why the FTdx-10…

QCX-mini: a feature-packed, high performance, single-band 5W CW transceiver kit, with WSPR beacon and built-in alignment/test equipment. Available for 80, 60, 40, 30, 20 or…

Questo articolo della rubrica Firmware Reload introduce la serie K di microcontrollori della famiglia Kinetis proposta da Freescale. Si tratta di microcontrollori a 32 bit…

Massimo, IZ5KID is active as 8Q7MM from Maldive Islands, IOTA AS – 013., 8Q7MM Maldives. From DXNews.com, ,

In questo articolo della rubrica Firmware Reload trattiamo le linee guida per una corretta procedura di start-up dei micro TMS570LS di TI. TMS570LS è la…

The Earth-Moon-Earth (EME) Communications in which Ham Radio Signal sent straight up to Moon using directional antenna making using of the moon as a passive…

In questo articolo si affronteranno gli step necessari per il passaggio da un qualsiasi sistema operativo verso Linux Embedded, una scelta importante che può avere…

Paulo, CT1FJZ is currently active again from Angola as D2FJZ., D2FJZ Angola. From DXNews.com, ,

Why is Coax 50 Ohms? Antenna 3 Element Yagi Antenna with 30/40 Loop Dipole Adder – SteppIR December 28, 2019 No comments 16 ft boom;…

ARRL Amateur Radio Emergency Service (ARES) volunteers remain ready to deploy in Williamson County, Tennessee, in the aftermath of an apparently intentional explosion early on…

Le applicazioni IoT richiedono requisiti stringenti in termini di bassa potenza e package compatto. In tal senso il modulo Avnet AVT9152, che combina le tecnologie…

Oggigiorno la presenza dei motori brushless DC in molte applicazioni ha portato i produttori di semiconduttori alla realizzazione di dispositivi dedicati al loro controllo per…

Wrapping up 2020 with a recap on my favorite things! This list includes both gear for ham radio and video creation. I hope you enjoy…

AH-705 HF/50 MHz Automatic Antenna Tuner Features Covers the 1.8 MHz to 50 MHz bands, using a long wire element 2-way power sources using alkaline…

Questo articolo descrive i requisiti tipici da soddisfare nel progetto di uno stadio di alimentazione per FPGA. Si prenderanno in considerazione due famiglie di prodotti…

  Well this year has certainly been one to remember, mostly for all the wrong reasons, however the extra time indoors has reignited people’s love…

Solar Flux and Fast Wind Boost for the Holidays | Solar Storm Forecast 12.24.2020 Antenna MONO 3 40 MOXON January 14, 2017 No comments MONO…

Reacting to Capacitance, Inductance, Resistance, Frequency Antenna W4OP Loop Antenna January 12, 2017 No comments It seems that more and more, amateurs are facing increasingly…

This MFJ-4713 HF 4-Position Remote Antenna Switch lets you switch between four antennas remotely. Covers 1.8 to 30 MHz. Run one coax from the indoor…

A simple change to make, it saves me time manually setting my default back to the computer every time I power up or plug in…

Il seguente articolo rappresenta il sequel di “Small Circuits Revival – Relè ad alta efficienza energetica”, tratto dal magazine Elektor e pubblicato in Firmware 2.0…