151-1011-01
Tektronix part number 151-1011-00 is a 2N3822. It is used as the front-end high-impedance buffer in the latest versions of the 321A.
Tektronix part number 151-1011-00 is a 2N3822. It is used as the front-end high-impedance buffer in the latest versions of the 321A.