Added:
I agree with you, it is not a good practice allowing the base of a transistor to float anytime.
But lowering the value R3 requires more current from the input source (about Vbe/R3 more). Vbe=0.75V if 1 transistor, 1.5V if two cascaded ones
R1=Rb - Rs ( what is Rs here ?)
We use cookies and similar technologies for the following purposes:
Do you accept cookies and these technologies?
We use cookies and similar technologies for the following purposes:
Do you accept cookies and these technologies?