Find the ft required for internally compensated op amps to be used in the implementation of closed-loop amplifiers with the following nominal dc gains and 3-dB bandwidths:
(a) -50 V/V; 100 kHz
(b) +50 V/V; 100 kHz
(c) +2 V/V; 5 MHz
(d) -2 V/V; 5 MHz
(e) -1000 V/V; 10 kHz
(f) +1 V/V; 1 MHz
(g) -1 V/V; 1 MHz