![]() I may also do a similar board for the exciter at some point, but perhaps not the PA. I retained the obsolete RC4200 multiplier as they seem to be easy to get and the redesign to use another would have been significant. I only want one board for myself, before I order would anyone else like any?* Changes from Manfred's design: Nearly all 0603 SMT and SOIC ICs, a few through hole parts retained, particularly around the audio filters 19 and 38 kHz filters completely changed as I couldn't find suitable cores 160 x 100 mm double sided PCB 4.864 MHz crystal rather than 2.432 MHz due to availability. Manfred published a PCB design with single-sided tracking and through-hole parts but I wanted an SMT one. I have designed a PCB for the stereo encoder.
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