Re: LF: Dumb homebrewer - Advice needed

[Marco IK1ODO -2 <ik1odo@spin-it.com>]

At 13:51 02-02-11, you wrote:
> Hello LF,
>
> I would like to improve a bit my home-made pre-selector for LF/MF. I 
> would appreciate very basic advice on "mechanical" aspects like the 
> following: the pre-selector has some molded inductors that can be 
> selected by means of a rotary switch (band selector). Is it 
> advisable to mount the inductors directly on the switch terminals or 
> on a separate (small) PCB? Shorter is better in this case or not?
> Best regards
> Daniele
With Lambda=2200 m everthing shorter than L/10 (220 m) is "short" :-)
Don't worry, 30 cm at 137 kHz is like a low inductance microwave 
bonding. Mechanical considerations prevail.
73 - Marco IK1ODO