I will be assembling a Softrock Ensemble II HF receiver, and I know I'm going to want it on air as soon as I build it, so I'm challenging myself to build an antenna for it first.
The plan is to do a simple balanced line inverted V dipole, such as the $4 special, but my receiver has a BNC antenna connection.
The receiver schematic shows the antenna going into an ungrounded BNC connector, then connecting to a transformer which I'll be winding myself from the instructions. However I want to be able to connect all sorts of antennas so I don't want to alter the receiver just for this antenna.
Assuming the BNC isn't grounded, can I just attach a BNC to the 300Ω twinlead and that to the receiver, or should I attempt to do some amount of impedance matching between the twinlead and the receiver? I'm not transmitting, so it won't destroy anything to try, but I'd like to have decent reception.