C cpemma Member Joined 2003 cpemma.co.uk 2007-04-04 11:23 pm #21 2007-04-04 11:23 pm #21 The multiplexing method also appeared in ETI magazine, basics was like this. Attachments vumeter_block.gif 11.1 KB · Views: 229 C cpemma Member Joined 2003 cpemma.co.uk 2007-04-05 12:05 am #22 2007-04-05 12:05 am #22 Vellemann also did a kit K4300 many years ago, the U2067B bargraph chip used is long obsolete AFAIK, but I think the LM391x would fit. Some info on the circuit and a parts list. Prev 1 2 First Prev 2 of 2 Go to page Go Status Not open for further replies.
C cpemma Member Joined 2003 cpemma.co.uk 2007-04-05 12:05 am #22 2007-04-05 12:05 am #22 Vellemann also did a kit K4300 many years ago, the U2067B bargraph chip used is long obsolete AFAIK, but I think the LM391x would fit. Some info on the circuit and a parts list.
Vellemann also did a kit K4300 many years ago, the U2067B bargraph chip used is long obsolete AFAIK, but I think the LM391x would fit. Some info on the circuit and a parts list.
