Re: Rebuilding a Speccy...
the spectrum contained a ULA , an early (OTP) programmable logic for the address decoding and some other stuff', so no good just copying drawings
Posts by blemblem
2 publicly visible posts • joined 13 Dec 2012
Sinclair ZX Spectrum FAILS latest radio noise rules SHOCK
Thursday 13th December 2012 16:46 GMT
“rather fishy power supply and cable”
I may be mistaken, but I seem to recall that it was a bog standard iron core transformer and rectifier, with a linear reg inside the machine itself. Might be a bit crap, but not as noisy (rf-wise) as modern swicthers. (or was that the zx81?
probably both were like that.
Biting the hand that feeds IT
