Nice WEB Site from AC0C that I Recommended. A lot’s of useful tips for old Heathkit “SB200” Linear Amplifier and additional DiY ideas and not just for PA stuff. Photo by AC0C I have loved RTTY since I was a young ham. Had a Western Electric RTTY machine in my bedroom as a kid. My…
The revolutionary Elecraft KX3 HF transceiver puts the world in the palm of your hand! Despite its small size, it covers all amateur bands from 160-6 meters, operates in all modes, and has DSP-based features usually found only on larger radios. The KX3’s unique form-factor allows you to operate from anywhere. Fold out the rear…
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
The KN-Q7A single band SSB transceiver kit was designed specifically for the worldwide market by BA6BF, and kitted by BD6CR/4. As the upgraded version of the popular KN-Q7 (more than 500 kits were sold worldwide), the KN-Q7A has an improved circuit design and component selection, which makes it an ideal candidate for field operation, back…
R&S FK2910: 2 kW R&S FK2920: 4 kW The power combiner section consists of three individual couplers, arranged at two levels so as to maximize the power management possibilities. The individual couplers are zero-degree couplers. This ensures perfect power combination if the two inputs are in phase (coherent combining). The coupling device is designed as…