Two 4CX1000A’s in grounded-screen push-pull – an amplifier that did not work. Describing this amplifier may seem a really silly thing to do, as it never worked well. However, someone else might learn from our mistakes, or even perhaps someone can tell us why it did not work. Background.A friend Paul G8WYI and I were
Tokyo Hy-Power, world famous Japanes amateur radio equipment manufacturer filed for bankruptcy on 24th December 2013. Tokyo Hy-Power, founded by JA1DJW Nobuki Wakabayashi, since 1975 has been an industry leader in military, medical, commercial and amateur product market, and is particularly famous in the ham radio market for their HF and VHF RF power amplifiers.