Exercise 3.3 Biasing a crappy FM transmitter circuit


An answer:

V CE = V CC V RC = V CC IC RC IC = βfeIB IB = V CC V B RB1 V CE = V CC βfe V CC V B RB1 RC

yields:

IC = 0.84mA6.7mA RC = 1kΩ

and hence gives

V RC = 0.846.7V V CE = 8.162.3V

which is fine for biasing purposes.