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Neil Purling · 11th Nov 2017, 9:12 am

The scanning IC is identical to a Beken BK1079, which is a ten pin 1mm pitch surface mount device.
the reduction to eight pins on the breakout board may be due to removal of a 32.768 crystal clock option and maybe to restrict the tuning range. There is one tiny component on that fragment of PCB. What it is I do not know. I know the BK1079 tunes 76-108Mhz. I know I could not solder wires to that SMD chip unless I had a very big lens
You can buy the BK1068 breakout board for nine euros from a German site. The BK1079 chip is thirty two pounds for a bag of fifty ICs. The MC34119 is dirt cheap, one pound nineteen for ten. Socket mount. The good thing about that chip is the lack of extra components needed to form a amplifier.
I was just trying to see if I could possibly buy the parts for less than the Haynes kit.

11th Nov 2017, 9:12 am	#10
Neil Purling Nonode Join Date: Jul 2005 Location: Hull, East Yorkshire, UK. Posts: 2,087	Re: Haynes Advent Calendar Radio The scanning IC is identical to a Beken BK1079, which is a ten pin 1mm pitch surface mount device. the reduction to eight pins on the breakout board may be due to removal of a 32.768 crystal clock option and maybe to restrict the tuning range. There is one tiny component on that fragment of PCB. What it is I do not know. I know the BK1079 tunes 76-108Mhz. I know I could not solder wires to that SMD chip unless I had a very big lens You can buy the BK1068 breakout board for nine euros from a German site. The BK1079 chip is thirty two pounds for a bag of fifty ICs. The MC34119 is dirt cheap, one pound nineteen for ten. Socket mount. The good thing about that chip is the lack of extra components needed to form a amplifier. I was just trying to see if I could possibly buy the parts for less than the Haynes kit.