Speech Processor and Antenna Tuner/SWR meter for BITX

By Bill Meara

Check out the blog of homebrew wizard K.P.S. Kang. OM has a nice speech processor based on the LM386. He also has a very simple antenna tuner and SWR bridge. FB OM.

http://smallwonderqrp.blogspot.com/2017/08/two-essential-add-ons-for-bitx-and.html …read more

Source:: Bitx Hacks

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