UK Vintage Radio Repair and Restoration Discussion Forum - View Single Post - FET amplifier information biasing voltage and circuits etc

G0HZU_JMR · 4th Dec 2022, 5:45 pm

Process 51 is another popular JFET process, and this process is used to make JFETs that are suited for use as switches or choppers. You can see there are some familiar part numbers in the image below.

The J111, J112 and J113 span the parameter range of process 51. These parts are still available today.

The die shape is very different for process 51 and I guess this is done like this to make the JFET more suited to switching applications.

4th Dec 2022, 5:45 pm	#11
G0HZU_JMR Dekatron Join Date: Sep 2010 Location: Cheltenham, Gloucestershire, UK. Posts: 3,077	Re: FET amplifier information biasing voltage and circuits etc Process 51 is another popular JFET process, and this process is used to make JFETs that are suited for use as switches or choppers. You can see there are some familiar part numbers in the image below. The J111, J112 and J113 span the parameter range of process 51. These parts are still available today. The die shape is very different for process 51 and I guess this is done like this to make the JFET more suited to switching applications. Attached Thumbnails __________________ Regards, Jeremy G0HZU