• Frequency Coverage: 50-52MHz and 70-72MHz amateur bands,switchable. • Power Output: 1400W PEP or 1000W continuous carrier. • Intermodulation Distortion: Better than 35 dB below rated output. • Hum and noise: Better than 40 dB below rated output. • Harmonic Output Suppression: Better than 50 dB below rated output. • Input and Output Impedances: –…
Bodo DL3OCH will be in Abuja as 5N7Q between March 7-14, 2012 for maintenance (work) of the broadcasting station based there. Operating using one of the largest fully rotatable short wave antennas in the world. The antenna gain is over 20dBi on all bands from 10m-40m. QRV on CW/SSB. 5N7Q QSL via DF8DX. About largest…
– Output power 1000W pep – All HF bands + 50MHz – High gain – High efficiency – Drain voltage indicator – Drain current indicator – MOSFET case temperature indicator – Forward and reverse power indicator – Adjustable gain for 5W – 20W input power – Using single Freescale MOSFET MRFE6VP61K25H – Temperature controlled fan…
Letter from the President, Steve Farkas, WA2NFR I’m spending about eighty percent of my time on Alpha’s new A4040 Autotuner. It’s great to get back to engineering – my true love. It’s picture time! This was shot as we were assembling the first article and things look really good. A few holes in the wrong…
Published : October 24th 2011 Updated : February 26 2012 with new Video (See below) New Kojinsha 4KWT (Max Power is 5 KWT) HF Linear Amplifier “KL-1” on 3cx3000a7 Triode tube. Price: $10-12K USD Video: Pictures from Tokyo HAMFAIR 2011 by Mr. Yano Hirokazu Read also: https://www.cqdx.ru/ham/?p=33029