Search found 2 matches

by Transmitter Man
Wed Mar 30, 2005 8:44 pm
Forum: AM transmitters
Topic: Home Brew ISOTRON
Replies: 13
Views: 131111

Isotron

MOSFET,

Whare you you using for an impedance matching network?

Also, how did you trim the antenna to resonance/

Tnx

Phil
www.radionord.fi
by Transmitter Man
Sat Jul 03, 2004 4:38 pm
Forum: AM transmitters
Topic: ISOTRON AM BROADCAST ANTENNA WITH AM MAX II
Replies: 15
Views: 57510

Robert, The Isotrons for medium wave come pretuned to your proposed operating frequency from the factory. However, there is fine-tuning adjustment on the antenna to allow set resonance +/- 30KHz. If you're intending to mount the antenna that 60ft above ground I don't need to tell you to use at the v...