Re: Band pass filter

iz oos
 

For TX I would only use toroids or air wound coils. For RX you could use radial or SMD. The Q might be better with toroids, although.


Il 14/nov/2019 16:39, "Doug W" <dougwilner@...> ha scritto:
On Thu, Nov 14, 2019 at 08:15 AM, Jack, W8TEE wrote:
I built a QRP version for my 49-er that works quite well.
At QRP levels is there an advantage or disadvantage to using wound toriods versus radial inductors (or even SMD), especially on the receive side?
 
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