UK Vintage Radio Repair and Restoration Discussion Forum - View Single Post - Multi-Channel VHF Modulator Design

David_Robinson · 4th Mar 2005, 10:37 am

I don't think it makes much difference either way. In theory an NPN will give better rejection of noise on the +5v rail, but I doubt you could measure the difference. The PIC doesn't run continuously, so there's really nothing to make any noise...

4th Mar 2005, 10:37 am	#37
David_Robinson Retired Dormant Member Join Date: Feb 2004 Location: Nottingham, UK Posts: 94	Re: Multi-Channel VHF Modulator Design I don't think it makes much difference either way. In theory an NPN will give better rejection of noise on the +5v rail, but I doubt you could measure the difference. The PIC doesn't run continuously, so there's really nothing to make any noise...