UK Vintage Radio Repair and Restoration Discussion Forum - View Single Post

Ed_Dinning · 10th Nov 2020, 9:04 pm

Hi Richard, yes an 1155 on its own does not need DC heaters.

The swinging choke technique is described in the various amateur radio hand book as helping to stabilise the EHT rail. I would be interested if you could run a simulation on it .
Typical choke is 5 to 20H at 20 to 200mA

Ed

10th Nov 2020, 9:04 pm	#42
Ed_Dinning Dekatron Join Date: Jan 2004 Location: Newcastle upon Tyne, Tyne & Wear, UK. Posts: 8,194	Re: R1155 Modern Power Supply Hi Richard, yes an 1155 on its own does not need DC heaters. The swinging choke technique is described in the various amateur radio hand book as helping to stabilise the EHT rail. I would be interested if you could run a simulation on it . Typical choke is 5 to 20H at 20 to 200mA Ed