Differential Amplifiers
AC Operation of Circuit
, Figure 1
AC Connection of Differential Amplifier
Separate input
signals
are applied as Vi1
and Vi2, with
separate outputs
resulting as Vo1
and Vo2
.
To carry out ac analysis, we redraw the
circuit in Figure 2.
, Figure 2
AC equivalent of differential amplifier circuit.
Each transistor is replaced by its ac equivalent.
AC Operation of Circuit
, Figure 1
AC Connection of Differential Amplifier
Separate input
signals
are applied as Vi1
and Vi2, with
separate outputs
resulting as Vo1
and Vo2
.
To carry out ac analysis, we redraw the
circuit in Figure 2.
, Figure 2
AC equivalent of differential amplifier circuit.
Each transistor is replaced by its ac equivalent.
