Dear OM's I was pondering over using the horizontal TV-deflection system as a PA for LF. By stretching the flyback time to 50 percent of the period, using a push-pull stage with two identical circuit
Dear Jim, LF group, The average LF aerial together with losses of the tuner coil and ground loss poses a Q of about 100. It means, that after putting RF on the aerial the RF amplitude will rise to 90
Dear Alan, LF group Art. 38-2670 Ferrite rod is interesting. The six slots act as a gutter for the connecting wires. Material is 3A10, permeability about 350 only usable for receiving purposes. I use
Dear OM's For circuit simulation I use MicroCap III, student version, for years. I bought it in a 2nd hand bookstore for about L3.50 together with the instruction book. It was even possible to simula