Using Fig. 16.10a, compare the Q levels at a reverse bias potential of 1 V and 10 V. What is the ratio between the two? If the resonant frequency is 10 MHz, what is the bandwidth for each bias voltage? Compare the bandwidths obtained and compare their ratio to the ratio of Q levels.

Fig. 16.10a

6000 1000 800 4000 3000 600 400 300 2000 200 TV401 1000 800 100 80 600 TV1401 60 400 40 30 300 20 200 100 80 60 40 0.3 0.6 1 2 34 6810 20 1.0 2 3 4 6 10 Reverse voltage (V) 0.1 20 Reverse voltage (V) Var (Vdc) 1,= 10 Adc 1, (nAdc) V,= 10 Vde Part number V, =2 Vde F=1 MHz MIN/TYP F= 10 MHz MIN/TYP MIN/TYP 75/140 12/20 10450 TV1401 200700 200/700 12/20 12/20 50/100 100/1000 TV1402 TV1403 Total capacitance (C) (pF) V= 10 MHz)