Author: iz4wnp

Traslatori di Livello digitali
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Traslatori di Livello digitali

Una rassegna d’interfacce digitali nella Babele delle tensioni di alimentazione dei moderni circuiti logici. C’erano una volta i Circuiti Logici TTL, realizzati completamente con transistor…

Clear Frequencies Requested for Storm Emergency Traffic
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Clear Frequencies Requested for Storm Emergency Traffic

Storm Emergency Traffic IARU HF Championship Contesters: The Hurricane Watch Net (HWN) is active on 14.325 MHz and 7.268 MHz in response to Category 1 Hurricane Barry….

New Ranger CB Radio TRE-936FFB

TEXAS RANGER ELITE TRE-936FFB 40 Channel AM CB Radio with Frequency Counter For over 40 years, Ranger Communications has built the world’s best amateur and…

Progettazioni secondo normative
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Progettazioni secondo normative

Affinché un sistema elettronico sia certificato, è necessario il rispetto, in fase di progettazione, di numerose normative. Ecco un esempio pratico di progettazione per un sistema di alimentazione per…

3. LDMOS HF AMPLIFIER 100W INPUT 2400W OUTPUT BLF188XR 2 PCS 1.8-54 MHZ
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3. LDMOS HF AMPLIFIER 100W INPUT 2400W OUTPUT BLF188XR 2 PCS 1.8-54 MHZ

LDMOS HF amplifier 90W  input 2400W CW SSB output  1.8-54 MHzThis a ready power amplifier. You will need a case and power supply only!Water-cooled hermetically. You can…

10-40M 100W Base Loop setup video
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10-40M 100W Base Loop setup video

Digital Modes Prof Dr Joe Taylor, K1JT: Welcome Address and Questions & Answers July 04, 2019 No comments Read more World Wide Digi DX Contest…

FAA Reauthorization Act Language Serves to Exclude Vast Majority of Amateur Radio Towers
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FAA Reauthorization Act Language Serves to Exclude Vast Majority of Amateur Radio Towers

Language in the Federal Aviation Administration (FAA) Reauthorization Act of 2018 will exclude all but a small number of Amateur Radio towers from marking requirements. Thanks to…

HWN, WX4NHC at National Hurricane Center to Activate for Tropical Storm Barry
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HWN, WX4NHC at National Hurricane Center to Activate for Tropical Storm Barry

Responding to Tropical Storm Barry, the Hurricane Watch Net (HWN) and WX4NHC— the Amateur Radio station at the National Hurricane Center (NHC) in Miami — have…

New Hope for the Coming Cycle | Space Weather News 07.12.2019
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New Hope for the Coming Cycle | Space Weather News 07.12.2019

News 10-40M 100W Base Loop setup video July 12, 2019 in: News No comments Read more FAA Reauthorization Act Language Serves to Exclude Vast Majority…

LED bianchi: pilotarli a corrente costante
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LED bianchi: pilotarli a corrente costante

In questo articolo si parlerà di LED bianchi, del perché pilotarli a corrente costante e si metteranno a confronto sei diversi LED di due marchi. L’obbiettivo è capire pregi e difetti dei…

Li-Fi – Un percorso “luminoso” per la trasmissione dati ad alta velocità
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Li-Fi – Un percorso “luminoso” per la trasmissione dati ad alta velocità

Risorsa indubbiamente preziosa, lo spetto radio, ovvero la parte dello spettro elettromagnetico utilizzato per le comunicazioni wireless, si sta rapidamente affollando. Non c’è voluto molto…

Infineon Technologies lancia il marchio MERUS dedicato agli amplificatori audio in classe D
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Infineon Technologies lancia il marchio MERUS dedicato agli amplificatori audio in classe D

Infineon Technologies ha lanciato il suo marchio MERUS, unendo il portafoglio esistente di moduli multi-chip e prodotti audio discreti sotto un’unica organizzazione. La Infineon, ligia…

Walliemania 2020
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Walliemania 2020

The Somerset Wallies are some of the most well known CB operators in the UK and they have planned a reunion which will take place…

L’Acquedotto storico per Diploma
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L’Acquedotto storico per Diploma

La Sezione A.R.I. di Genova indice il “2° diploma Acquedotto storico di Genova nella Val Bisagno ANNO 2019” dalle ore 12.00 (UTC) del 20 luglio 2019 …

W1AW, NU1AW to be Headquarters Multipliers for the IARU HF Championship
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W1AW, NU1AW to be Headquarters Multipliers for the IARU HF Championship

During the IARU HF Championship contest July 13 – 14, the ARRL HQ station will be W1AW/7, on the air from Nevada with Tom Taormina, K5RC, as…

2 Meter Band Explorations
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2 Meter Band Explorations

“This band-exploration video looks at the amateur 2 meter band. We walk through the band. I talk about frequency coordination and band plans. I also…

Remote Antenna Switches – Ham Nation 410
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Remote Antenna Switches – Ham Nation 410

News IARU President Offers Assurances Regarding French 144 – 146 MHz Allocation Proposal July 10, 2019 No comments International Amateur Radio Union (IARU) President Tim…

Questi i risultati delle votazioni per il rinnovo del C.D.N. e C.S.N.

Nomina Codice Socio TotVoti CONSIGLIERE I1JQJ PREGLIASCO MAURO 1.876 CONSIGLIERE I2VGW VILLA GABRIELE 1.639 CONSIGLIERE I0SSH SARTORI GRAZIANO 1.350 CONSIGLIERE IT9IZY FAVATA VINCENZO 1.286 CONSIGLIERE…

Chameleon MPAS 2.0 Modular Portable Antenna System
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Chameleon MPAS 2.0 Modular Portable Antenna System

“Chameleon Antennas recently updated their Modular Portable Antenna System or MPAS with the goal of it being the most versatile, high performance, and rugged HF…

IARU President Offers Assurances Regarding French 144 – 146 MHz Allocation Proposal
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IARU President Offers Assurances Regarding French 144 – 146 MHz Allocation Proposal

International Amateur Radio Union (IARU) President Tim Ellam, VE6SH/G4HUA, said his organization empathizes with the concerns of radio amateurs worldwide regarding a French proposal to…

ICOM EMCOMM-1 Emergency Communications Vehicle
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ICOM EMCOMM-1 Emergency Communications Vehicle

Equipment Ultra-compact transceiver Lab599 Discovery TX-500 July 07, 2019 No comments The Lab599 Discovery covers 160-6 meters, all modes, with a maximum power output of…

Chinese CAS-7B Satellite Carrying an FM Transponder to Launch
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Chinese CAS-7B Satellite Carrying an FM Transponder to Launch

Another Amateur Radio satellite is set to launch from China. CAMSAT CEO Alan Kung, BA1DU, reports that CAS-7B (BP-1B) is expected to launch on July…

The Best DMR Radio? Anytone AT-D878UV Bluetooth GPS
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The Best DMR Radio? Anytone AT-D878UV Bluetooth GPS

  To fully utilize all the features you have to use Windows PC to program this radio. Not Compatible with CHIRP and RT systems software….

IAR Embedded Workbench
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IAR Embedded Workbench

Embedded Workbench è l’IDE di IAR per lo sviluppo di applicazioni con microcontrollori di svariate case madri. Eccone una descrizione dettagliata con riferimento al microcontrollore…

Microchip rilascia prodotti per l’elettronica di potenza ad alta tensione al carburo di silicio
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Microchip rilascia prodotti per l’elettronica di potenza ad alta tensione al carburo di silicio

La Microchip ha annunciato la produzione di prodotti affidabili per l’elettronica di potenza ad alta tensione al carburo di silicio (SiC). La versione di produzione…