Thread: Lrl from Italy
View Single Post
Old 10-11-2017, 04:15 PM
FrancoItaly FrancoItaly is offline
Join Date: Feb 2006
Location: Liguria, Italy
Posts: 924

Originally Posted by Dubulumach View Post
FrancoItaly does this simple teardown, worth also for HEF4046 PLL-LRL version or only for your 8Mhz quartz version ?

Question: Does R2 should be increased from 220K to 470K, 560k, 680k or even 1M or not ?
Does C1 should be increased from 22nF to upper value 47nF, 100nF, 470nF or need stay the same value or maybe less ?

This is for 8Mhz and for CD4046 version, R2=220K and P2=1M, C1 is no critic but high values (220nF or 470nF) could slow down the search, I think 47nF is the optimal value.
Reply With Quote