Datasheet

Typical performance L78MxxC
16/30 DocID2146 Rev 19
Note: The circuit performs well up to 100 kHz.
Note: Q
2
is connected as a diode in order to compensate the variation of the Q
1
V
BE
with the
temperature. C allows a slow rise time of the V
O
.
Figure 27. Power AM modulator (unity voltage gain, I
O
0.5)
Figure 28. Adjustable output voltage with temperature compensation
V
O
= V
XX
(1+R
2
/R
1
) + V
BE