A1. An amplifier has cutoff frequencies of 120.0 Hz and 1.200 kHz. Calculate the bandwidth and center frequency of the amplifier. A2. The upper cutoff frequency of an amplifier is 8.000 MHz and its center frequency is 1 MHz. Calculate its lower cutoff frequency and its bandwidth. A3. An NPN CE amplifier has a voltage gain of 32 and Cbc = 12 pF. What is the Miller capacitance seen by the base and seen by the collector? B. Assume the following for Fig. 1-5 in the Supplementary Transistor Low Frequency Effects document: Vcc = 18.0 V Beta = 150 Rs = 0 ohms Cb = 0.1 uF R1 = 91 kohms R2 = 16 kohms Rc = 7.2 kohms Re = 1.8 kohms Ce = 33 uF Cc = 0.1 uF Rload = 2.2 kohms B1. Calculate the mid-band gain - numeric and dB. B2. Calculate the three low frequency corners