Search found 6 matches

by jc123
Mon Mar 09, 2020 3:15 pm
Forum: Everyones Projects
Topic: DHT Heater using VCCS - PCB or Kit (Possible Group buy)
Replies: 1182
Views: 413339

Re: DHT Heater using VCCS - PCB or Kit (Possible Group buy)

Allow 4v for regulation. So for a 300B (5v + 4v) is 9v peak, over 1.414 is 6.36v RMS 6.3v tx should be ok. 6v might be if your primary is 5% high. I went for a dual 7v toroidal with 4.4A secondaries to give plenty of headroom. I also used the 63mm heatsinks for the 300B. These are onboard the small...
by jc123
Mon Mar 09, 2020 3:50 am
Forum: Everyones Projects
Topic: DHT Heater using VCCS - PCB or Kit (Possible Group buy)
Replies: 1182
Views: 413339

Re: DHT Heater using VCCS - PCB or Kit (Possible Group buy)

Thanks RhythMick, what is the least voltage input for normal operation on Andrews board for 300B ?
by jc123
Sat Mar 07, 2020 2:09 am
Forum: Everyones Projects
Topic: DHT Heater using VCCS - PCB or Kit (Possible Group buy)
Replies: 1182
Views: 413339

Re: DHT Heater using VCCS - PCB or Kit (Possible Group buy)

Thanks Ray P I would need your help for advice.. :D :D
by jc123
Fri Mar 06, 2020 2:29 pm
Forum: Everyones Projects
Topic: DHT Heater using VCCS - PCB or Kit (Possible Group buy)
Replies: 1182
Views: 413339

Re: DHT Heater using VCCS - PCB or Kit (Possible Group buy)

Yes, please PM me so we can discuss payment process, etc. Thank you.
by jc123
Thu Mar 05, 2020 8:43 pm
Forum: Everyones Projects
Topic: DHT Heater using VCCS - PCB or Kit (Possible Group buy)
Replies: 1182
Views: 413339

Re: DHT Heater using VCCS - PCB or Kit (Possible Group buy)

Hi Andrew, I am new here, would like to know if the board still available, please. Will use it for 300B single. Thanks.