View Single Post
  #31  
Old 04-22-2024, 01:56 PM
jr_tech's Avatar
jr_tech jr_tech is offline
VideoKarma Member
 
Join Date: Sep 2009
Posts: 4,522
Quote:
Originally Posted by old_tv_nut View Post
You missed the minus sign

Pin 2, G1 is -120, pin 3, K is -50 to +67

So G1 to K is -70 to -187, Sams says -172, so that's within range of the SAMS.
These voltages don’t seem correct... according to the 3kp4 data sheet, typical grid cut off is at most -90 volts not -172

https://frank.pocnet.net/sheets/168/3/3KP1.pdf

jr
Reply With Quote