Re: Narrow filter for CW #ubitxcw

MVS Sarma

My reply is for limited use at audio level. Sorry. May not be relavent. 

On Fri, 16 Aug 2019, 9:11 pm Mvs Sarma, <mvssarma@...> wrote:
Why not use max7400 as a n lpf. It is a nice 8 pin dip and/or smď
Spend a while to study the datasheet. It can become variable lpf.

On Fri, 16 Aug 2019, 4:38 pm _Dave_ K0MBT, <davesters@...> wrote:
Yes I was hoping to steal someones design and spend less than 10 dollars.

Have to agree  that adding a 300 dollar filter to a radio that I bought used for 45 dollars is not going to happen.

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