Thread Starter Externet Joined Nov 29, 2005 1,559 Dec 4, 2015 #1 Does anyone know of an IC dedicated for VOX circuit operation ? Microphone or vibration sensor can be a piezoelectric 'buzzer', or microphone, or electret. Capable of a drop-off time near 1 minute.
Does anyone know of an IC dedicated for VOX circuit operation ? Microphone or vibration sensor can be a piezoelectric 'buzzer', or microphone, or electret. Capable of a drop-off time near 1 minute.
Dodgydave Joined Jun 22, 2012 9,838 Dec 4, 2015 #2 Yes MC2830 chip https://www.google.co.uk/url?sa=t&s...ghDMAo&usg=AFQjCNExSokbQHhZ3_dQn5U5RTVpBBn17A
K KMoffett Joined Dec 19, 2007 2,918 Dec 4, 2015 #4 Wow. You might still be able to get one. http://www.aliexpress.com/item/MC28...rcuit-automatic-level-control/1388011390.html Ken
Wow. You might still be able to get one. http://www.aliexpress.com/item/MC28...rcuit-automatic-level-control/1388011390.html Ken
Thread Starter Externet Joined Nov 29, 2005 1,559 Dec 4, 2015 #5 Thanks, Ken; THAT link shows "No longer available" This shows hope ---> http://www.aliexpress.com/wholesale?SearchText=mc2830&opensearch=true Why my search result is different than yours ? Can someone explain ? I run Linux, never Windows and never use Google. ANY other chip doing the same 'VOX' that anyone knows of ? Last edited: Dec 4, 2015
Thanks, Ken; THAT link shows "No longer available" This shows hope ---> http://www.aliexpress.com/wholesale?SearchText=mc2830&opensearch=true Why my search result is different than yours ? Can someone explain ? I run Linux, never Windows and never use Google. ANY other chip doing the same 'VOX' that anyone knows of ?
BR-549 Joined Sep 22, 2013 4,938 Dec 5, 2015 #6 Your right, didn’t know they were such a rare thing. There seems to be plenty of roll your own, if you are so inclined. Circuits, that is.
Your right, didn’t know they were such a rare thing. There seems to be plenty of roll your own, if you are so inclined. Circuits, that is.
bertus Joined Apr 5, 2008 21,028 Dec 5, 2015 #7 Hello, The mentioned MC2830 is available at box73 in germany, both in DIL and SMD: http://www.box73.de/product_info.php?products_id=983 http://www.box73.de/product_info.php?products_id=982 Bertus
Hello, The mentioned MC2830 is available at box73 in germany, both in DIL and SMD: http://www.box73.de/product_info.php?products_id=983 http://www.box73.de/product_info.php?products_id=982 Bertus
Dodgydave Joined Jun 22, 2012 9,838 Dec 5, 2015 #8 Ebay have them... http://m.ebay.co.uk/itm/5pcs-MC2830P-MC2830-Genuine-Motorola-DIP-8-Chip-/181177065257?nav=SEARCH
Ebay have them... http://m.ebay.co.uk/itm/5pcs-MC2830P-MC2830-Genuine-Motorola-DIP-8-Chip-/181177065257?nav=SEARCH
bertus Joined Apr 5, 2008 21,028 Dec 5, 2015 #9 Hello, How "genuine" will they be when they come from Hong Kong? Bertus