Half a Super-het
 

after a couple of days tinkering I`v finished half of my Super-het radio, enough to start experimenting with the front end mixer stuff for it, there`s stil quite a few questions I have left regarding it, but Thanks to some of my questions being answered by You guys I`v worked out and designed the I.F bits, demodulator and the AF stage, and stuck what I`v learned on a board.
a perfectly working circuit as well I might add! :thumbsup:

the board itself is something Setsappeal may recognise, as it`s part of the packing peices that came with a Matress that he used to cover the dial glass on my Ekco with, and the wooden rails are sawn off peices of Firework rockets I found in the garden.
I`m using a little EL84 for the AF driver and it seems plenty loud enough that even I can hear it ;)
that is being fed with demodulator EBC90, which in turn is fed with an EF91, the cans are of course out of an old broken Cossor set that I salvaged.
it doesn`t have a volume control of AGC yet as I wanted it rigged as Fully working so I could test at each build stage without any dangly bits getting the way.

here`s a few pics:

Re: Half a Super-het
 

Coming along very nicely. I have been following your progress and reading the posts and learning quite a lot. Well done.

Paul.