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Re: #bitx40 #ubitx #bitx40 #ubitx


 

Has anyone tried a H11F3M for the AGC on the newer uBITX ??It's a Photo FET Optocoupler made by ON Semi and actually shows an application note with AGC use. You could drive it with the existing second amplifier, minimal extra components, and a 6-pin socket which will fit on the board near the amplifier. I would also put in an 8-pin socket on the TDA2822M/NJM2073D amplifier for future convenience.....might as well, while you are messing around with the board. Just received some to try out.

73 Kees K5BCQ

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