A brief preview of the “Product Review” review of the Tokyo High Power HL350V 2-meter amplifier scheduled to appear in the May 2012 issue of QST magazine. Read also : https://www.cqdx.ru/ham/new-equipment/tokyo-hy-power-vhf-pa-hl-350vdx/
Product Description Compact “Plug And Play” Quad band GSM modems can be directly connected to the serial port of a desktop or notebook computer through the RS232 interface. A standard SIM card can be inserted in the integral card-holder within the metal enclosure. The modems’ metal casing makes it an appropriate solution for tough industrial…
One of the series of films made by Dave Bell, W6AQ, for the ARRL. This one comes from approximately 1970. It is interesting to see how many things have changed in ham radio since then – but some things remain. ARRL HQ
This multifunction power supply incorporates built-in battery back-up and numerous power accessories within a single 2RU chassis. Regulated power supply/charger, back-up battery, low voltage disconnect, output metering, LED status and alarm contacts. Description The Integrated Power System (IPS) is a unique multifunction power supply which incorporates built-in battery back-up and numerous power accessories within a…
Build and test circuits right in your browser ONLINE by CircuitLab.com Design with our easy-to-use schematic editor. Accurate analysis (DC, AC & more) in seconds. Beautiful printouts, images, and live links to share. No installation required — try it instantly. For Students & Educators Draw and print beautiful schematics for lab reports. In-browser simulations make…