I left this Tektronix behind at the Thrift - Videokarma.org TV - Video

		Videokarma.org TV - Video - Vintage Television & Radio Forums > Diagnostic & Test Equipment
I left this Tektronix behind at the Thrift

Notices

Time to get this site upgraded, so we are passing the hat around. We appreciate any donations. Seriously, even a dollar helps. The payment page may be found here - https://www.audiokarma.org/support.html


	We appreciate your help in keeping this site going.

Thread Tools

Display Modes

#11

11-12-2017, 09:04 PM

N2IXK

Technohippie

Join Date: Apr 2011

Location: Sittin' on the "Group W" bench...

Posts: 816

Yes, 5642s are still pretty common. And replaceable by NTE517 silicon diodes if desired. I have done so on a couple 500 series scopes, as well as a 453. It takes the filament load off the HV transformer, promoting cooler operation.

« Previous Thread | Next Thread »

Posting Rules
You may not post new threads You may not post replies You may not post attachments You may not edit your posts BB code is On Smilies are On [IMG] code is On HTML code is Off Forum Rules

Forum Jump

All times are GMT -5. The time now is 07:26 AM.