[time-nuts] Efratom PTB-100

Don @ True-Cal True-Cal at swbell.net
Fri Jul 13 16:06:35 EDT 2007


Hello Folks,

I am looking for a manual, or at least a schematic for the Ball Efratom PTB-100 Rubidium Time Base (Tek TM-500 plug-in). The Rb oscillator is working fine but there is a problem in the control and TTL conversion circuits.

Thanks for any help...
Don


More information about the time-nuts mailing list