UK Vintage Radio Repair and Restoration Discussion Forum - View Single Post - Pin-out for SEI Quartz Oscillator

ronbryan · 26th Apr 2018, 3:37 pm

If one of the pins appears isolated from the ground pin, when checked with a low voltage resistance test, it is probably the AC coupled sinewave output pin. The package may also have a second, square-wave output, as is the case with a 10MHz CQXL SPXO I have here.

Ron

26th Apr 2018, 3:37 pm	#3
ronbryan Octode Join Date: Jan 2003 Location: Guildford, Surrey, UK. Posts: 1,960	Re: Pin-out for SEI Quartz Oscillator If one of the pins appears isolated from the ground pin, when checked with a low voltage resistance test, it is probably the AC coupled sinewave output pin. The package may also have a second, square-wave output, as is the case with a 10MHz CQXL SPXO I have here. Ron