Table 1: Stability criteria for the 2N6679A transistor
FREQ (MHz)	K	B1
0	0.195	0.203
500	0.684	1.153
1000	0.875	1.23
1500	0.964	1.219
2000	0.962	1.231
2500	0.972	1.205
3000	1.755	1.119
3500	0.913	1.117
4000	0.863	1.086
4500	0.842	1.051
5000	0.663	1.009
5500	0.611	0.975
6000	0.526	0.902
6500	0.498	0.879