Elettronica – Pagina 2 – PianetaRadio.it

Interfaccia radio modi digitali

Pubblicato il 01/04/2012, ultimo aggiornamento 01/11/2012 By iz8ewd

Interfaccia deluxe di connessione della radio al PC per i modi digitali.

VNWA

Pubblicato il 01/02/2012, ultimo aggiornamento 01/01/2013 By pianetaradio

Fino a qualche anno fa il VNA (Vector Network Analyzer) era il sogno di qualunque sperimentatore elettronico, ma troppo costoso per le tasche della maggior parte di essi. Uno strumento utile alla misura di qualunque […]

GPSDO GPS Disciplined Oscillator

Pubblicato il 01/01/2012, ultimo aggiornamento 30/11/2017 By iz8ewd

Un oscillatore di riferimento stabile e preciso

Altoparlante radio con filtri

Pubblicato il 01/12/2011 By iz8ewd

Partendo dall’altoparlante radio base, costituito dal solo speaker con mobile in legno, con una manciata di componenti elettronici si possono aggiungere dei filtri audio passa alto e passa basso del primo ordine con frequenza di […]

DDS 60

Pubblicato il 01/04/2008, ultimo aggiornamento 15/11/2019 By iz8ewd

DDS 60, kit VFO 60MHz con DDS AD9851

Programmatore universale

Pubblicato il 01/11/2007, ultimo aggiornamento 27/11/2017 By pianetaradio

Caratteristiche Questo semplice circuito permette di programmare una grande quantità di microcontrollori e memorie scaricando i dati in modo seriale. Il progetto è derivato da diversi programmatori ed è compatibile con il ProPic2, principalmente può […]

Segnali, armoniche e rumore

Pubblicato il 01/12/2005, ultimo aggiornamento 08/12/2017 By pianetaradio

In questo scritto si vuole approfondire teoricamente il significato di distorsione armonica e di rumore, definendo i principali indici utilizzati per la loro valutazione. La comprensione presuppone la conoscenza di alcune nozioni di analisi matematica. […]

Codice colore induttanze

Pubblicato il 01/12/2003, ultimo aggiornamento 01/08/2008 By pianetaradio

Tabella codice colore induttanze

Codice colore resistenze

Pubblicato il 01/12/2003, ultimo aggiornamento 01/08/2008 By pianetaradio

Tabella codice colore resistori

Alimentatore stabilizzato

Pubblicato il 01/02/2003, ultimo aggiornamento 19/12/2017 By iz8ewd

Alimentatore stabilizzato 13.5 V, 20 A Caratteristiche Tensione di uscita stabilizzata non regolabile di 13.5 V. Corrente fornita con continuità di 20 A. Protezione automatica istantanea dalle sovratensioni per valori >15 V. Protezione dai corto […]

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Worldwide Ham Radio Operators (2000-2022)

Amateur Radio Operator numbers worldwide from data 2000 to 2022. This data has been collected from multiple data sources. Some records only go up to 2018, so data to 2022 has been filled in with growth trend data. The last known collection of total hams worldwide was taken by the IARU in 2000.Source: Ham Radio DX [...]

XVIII Diploma COTA

L'Associazione Radioamatori Carabinieri C.O.T.A. in occasione del 208° anniversario della fondazione dell'Arma dei Carabinieri con la collaborazione del Comando Generale dell'Arma dei Carabinieri istituisce il XVIII Diploma COTA. Partecipazione: è aperta a tutti gli OM e SWL, italiani e stranieri; Periodo: fino alle ore 24:00 UTC del 5 giugno 2022; Bande: 3,5 MHz (80 m), 7 MHz (40 m),14 MHz (20 m), 21 MHz (15 m) 28 MHz (10 m), 144 MHz (2 m) nei segmenti raccomandati dalla IARU- Regione 1; Categorie/Modi: SSB, CW, Misto, (SSB+CW), RTTY, PSK31, FT8. Per scaricare il regolamento completo in PDF cliccare QUIManager del DiplomaGiovanni, U2IFIFonte: C.O.T.A. [...]

Il Mise sui ponti ripetitori

Disponibile, cliccando sull'immagine, la Circolare MiSE relative alla Nuova Procedura per il rilascio delle autorizzazioni generali per le stazioni automatiche non presidiate [...]

Ediradio acquisti più semplici!

Vi informiamo che è possibile pagare con carta di creditoper gli acquisti in Ediradio di libri e gadget radioamatoriali.Vi aspettiamo dal Lunedì al Venerdì dalle 12 alle 18! [...]

Bramea Award

Stazione Speciale valida per il Diploma Bramea della Sezione ARI di Melfi "Carmine Troiano" IQ8MJ dal 14/05/2022 al 29/05/2022Per leggere il regolamento completo cliccare QUI [...]

The K7RA Solar Update

Solar activity was up, up, up this week, with average daily sunspot numbers increasing from 74.4 to 134.1, and average daily solar flux from 120.3 to 157.3.To get some perspective, I averaged the weekly averages for sunspot number and solar flux from this bulletin and the previous three, then compared them to the bulletins from one year earlier.A year ago, the averages for 2021 Propagation For... [...]

The K7RA Solar Update

We saw some evidence of sporadic-e propagation this week on 6 and 10 meters, always surprising and exciting.Solar activity was about the same as last week, at least going by the numbers.Average daily sunspot numbers rose slightly from 68.6 to 74.4, while average daily solar flux only budged from 120 to 120.3.Geomagnetic indicators were quieter, with average daily planetary A index shifting from... [...]

Listen to ARRL Audio News for May 13, 2022

The latest edition of ARRL Audio News podcast for May 13, 2022 is available for listening now. This week's edition includes an update for the upcoming Dayton Hamvention®, an announcement for the Armed Forces Day Cross-Band Exercise which be held on May 14, and much more. ARRL Audio News is a summary of the week’s top news stories in the world of amateur radio, along with interviews and other fe... [...]

ARES® Activated in Oklahoma for Tornado Clean-Up Communications

To help with emergency communications support following an outbreak of tornadoes that hit this past week, the Oklahoma Department of Emergency of Management and Homeland Security requested support from the Oklahoma Amateur Radio Emergency Service® (ARES®).During the first week of May, 12 tornadoes touched down in the central and eastern parts of Oklahoma. The tornado that struck Seminole, Oklah... [...]

Día del Radioaficionado Celebrated May 10, 2022 in Puerto Rico

On May 10, 2022, radio amateurs in Puerto Rico celebrated 25 years of Día del Radioaficionado (Puerto Rico Amateur Radio Operator Day). The day was designated the second Tuesday in May by Law 50 of June 7, 1996. The Governor of Puerto Rico, Pedro Pierluisi, issued a proclamation to honor the event. Radio amateurs took to social media and the airwaves to celebrate and send good wishes. A special... [...]

Board proceedings – new online location

Following the introduction of our upgraded Membership Services system, the Board proceedings and reports have moved to a new location. They can now be found inside your new Membership Services portal. Proceedings and reports from the present day back to January 2019 have already been added to the new section; the remaining archive from 2015 […] [...]

GB70 QSL card

If you contact a GB70 station during June, a professionally-designed QSL card will be available on request from the appointed professional QSL Manager. Bureau QSL cards are free of charge, from M0OXO OQRS with the first batch of cards anticipated to be sent during July 2022. Cards requested by direct post will be subject to a […] [...]

GB2RS News Script for 22 May 2022

Tap or click the link below to download this week’s GB2RS news script GB2RS News Script for 22 May 2022 (19-page/440KB Microsoft Word document) Problems downloading the GB2RS news script? Try this alternative link [...]

High altitude balloon launch

A team from hi-impact on the Wirral will be working alongside the Oaktree Multi-Academy Trust, a Wirral based group of schools, on a High Altitude Balloon launch. This is planned for Thursday the 26 May at 11am from a location near Welshpool. The frequency in use will be 434.250MHz USB. There will be RTTY signals […] [...]

IARU Region 1 interim meeting

IARU Region-1 is holding its Interim Meeting on the 23 June. As outlined in the recent June RadCom, feedback is welcomed on proposals for global HF band changes to accommodate growth in digital modes and related matters. The meeting will also consider a series of EMC and Spectrum topics. RSGB have a consultation page with […] [...]

ANS-142 AMSAT News Service Weekly Bulletins for May 22

The AMSAT News Service bulletins are a free, weekly news and information service of AMSAT, The Radio Amateur Satellite Corporation. ANS publishes news related to Amateur Radio in Space including reports on the activities of a worldwide group of Amateur Radio operators who share an active interest in designing, building, launching and communicating through analog ... Read more [...]

ANS-135 AMSAT News Service Weekly Bulletins for May 15

AMSAT NEWS SERVICE ANS-135 The AMSAT News Service bulletins are a free, weekly news and information service of AMSAT, The Radio Amateur Satellite Corporation. ANS publishes news related to Amateur Radio in Space including reports on the activities of a worldwide group of Amateur Radio operators who share an active interest in designing, building, launching ... Read more [...]

ANS-128 AMSAT News Service Weekly Bulletins for May 8

AMSAT NEWS SERVICE ANS-128 The AMSAT News Service bulletins are a free, weekly news and information service of AMSAT, The Radio Amateur Satellite Corporation. ANS publishes news related to Amateur Radio in Space including reports on the activities of a worldwide group of Amateur Radio operators who share an active interest in designing, building, launching ... Read more [...]

ANS-121 AMSAT News Service Weekly Bulletins for May 1

AMSAT NEWS SERVICE ANS-121 The AMSAT News Service bulletins are a free, weekly news and information service of AMSAT, The Radio Amateur Satellite Corporation. ANS publishes news related to Amateur Radio in Space including reports on the activities of a worldwide group of Amateur Radio operators who share an active interest in designing, building, launching ... Read more [...]

ANS-114 AMSAT News Service Weekly Bulletins for Apr. 24

AMSAT NEWS SERVICE ANS-114 The AMSAT News Service bulletins are a free, weekly news and information service of AMSAT, The Radio Amateur Satellite Corporation. ANS publishes news related to Amateur Radio in Space including reports on the activities of a worldwide group of Amateur Radio operators who share an active interest in designing, building, launching and communicating ... Read more [...]

First Session — YOTA Contest 2022

Press Releaseby International Amateur Radio Union Region 1 – Youth Working Group Nicosia, Cyprus — Tuesday, 15.05.2022 The first YOTA contest session of 2022 is coming up soon. Take the opportunity to test your stations a week prior the CQWPX … [...]

IARUMS R1 Newsletter April 2022

The IARUMS Region 1 Newsletter April 2022 is now available.Click on the link to read it! … [...]

IARU R1 Youth WG invited by CARS

The IARU R1 Youth Working Group recently got invited by the Cyprus Amateur Radio Society (CARS) into their Nicosia Heaquarters. Philipp Springer (DK6SP — Chair, IARU R1 Youth Working Group) took up the opportunity and introduced a school class of … [...]

Provisional Results March Subregional Contest

Since we are collecting all the scores for the new IARU Region 1 VHF & Up Trophy, for the first time ever we evaluate also the Subregional Contests. The provisional results of the March Contest are available on the IARU … [...]

Provisional results IARU R1 50 MHz MGM Contest

Provisional results for the last 2022 IARU R1 50 MHz MGM Contest held on April 16th/17th are available on IARU Region 1 VHF & Up Contest Robot. The complete Results Table is visible at this link. For a deep look, you can … [...]

Radiorama Numero 116

Nuovo numero di Radiorama disponibile per il download. Vi ricordiamo che nel menu, alla voce RADIORAMA è possibile scaricare anche i numeri precedenti gratuitamente in formato PDF. Se non disponete di un lettore PDF... [...]

Radio Exterior de España: 80 anni!

Anche la nostra associazione desidera ricordare l’importante anniversario della Radio Exterior de España, i suoi primi 80 anni in onde corte. Emittente facilmente ascoltabile resta un punto di riferimento nel mondo dell’informazione internazionale. Per saperne... [...]

L’Ucraina in guerra – Notizie radiofoniche

In questi tragici momenti, che condanniamo, anche il mondo delle comunicazioni fa la sua parte. Tra mille difficoltà, interferenze e continui aggiornamenti. Per gli appassionati ecco alcune pagine pubblicate sul nostro BLOG per tenervi... [...]

AIR Contest 2022 – La classifica finale

AIR Contest 2022 – La classifica finale N° Partecipante – Paese Punti Cataldo Laddomada, Italia-AIR ... [...]

Radiorama Numero 115

JD1BOW – Ogasawara

After a 3 years, Nobuaki, JA0JHQ is again be active from Ogasawara as JD1BOW until June 5, 2022. He plans some SOTA activity while on the island, CW & FT8. QSL via H/c. The post JD1BOW – Ogasawara first appeared on DX-World. [...]

C5C – The Gambia

NEWS UPDATE – Credit C5C team for the pictures of their latest DXpedition to The Gambia. MAY 20 – C5C will again be on air from May 22 to June 7, 2022. Team will be M0NPT Abdel, F5NVF Gerard & F5RAV Luc. They also hope to be active from Bijol island as C5B sometime during […] The post C5C – The Gambia first appeared on DX-World. [...]

[QRV] 3D2RRR – Rotuma

NEWS UPDATE – 3D2RRR on 12CW today. Recording by IZ5CML MAY 24 – 3D2RRR started FT8 activity from Rotuma at 04:40z. MAY 23 @ 12:15z – Team endured a hard sailing but are now a few hours from arriving Rotuma. It’s midnight local, so they will attempt a landing only during daylight. The post [QRV] 3D2RRR – Rotuma first appeared on DX-World. [...]

3B8M – Mauritius

Team 3B8M will again be QRV during CQWW CW (November 26-27) and a few days before and after the contest. This will be a M/M operation and confirmed operators so far are G0CKV, KX7M, M0SDV. More here The post 3B8M – Mauritius first appeared on DX-World. [...]

3B9 – Rodrigues Island

3B8FA, 3B8GF, 3B8CF, 3B8FV and 3B8BAN plan activity from Rodrigues island (callsign to be announced) during August 5-9, 2022. QRV on HF bands using G5RV’s; also activity on QO-100 SAT. The post 3B9 – Rodrigues Island first appeared on DX-World. [...]

3B8M Mauritius. From DXNews.com

3B8M Team will be active from Mauritius Island, IOTA AF - 049, in CQ WW DX CW Contest, 26 - 27 November 2022. [...]

4L8A Tbilisi Georgia. From DXNews.com

Vakhtang, 4L8A will be active from Tbilisi, Georgia in CQ WW WPX CW Contest, 28 - 29 May 2022. [...]

OX3LX Greenland. From DXNews.com

Bo, OZ1DJJ will be active as OX3LX from Greenland, IOTA NA - 018, 27 - 30 May 2022. [...]

7P8CW Lesotho. From DXNews.com

7P8CW Team will be active from Lesotho, 1 - 9 November 2022. [...]

3D2RRR Rotuma Island. From DXNews.com

All ok here. Little hard ride but we should be on Rotuma in 3h. It's midnight so we Will enter the harbor daylight [...]

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Tag: Elettronica

Interfaccia radio modi digitali

VNWA

GPSDO GPS Disciplined Oscillator

Altoparlante radio con filtri

DDS 60

Programmatore universale

Segnali, armoniche e rumore

Codice colore induttanze

Codice colore resistenze

Alimentatore stabilizzato

Ponti radioamatoriali

CatRotator e Log4OM

CatRotator

Link Progettazione Antenne

Radiantistica Expò