Data Sheet

L78M00 SERIES
15/21
Figure 23 : Power AM Modulator (unity voltage gain, I
O
≤ 0.5)
NOTE: The circuit performs well up to 100 KHz.
Figure 24 : Adjustable Output Voltage with Temperature Compensation
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 risetime of the V
O
.
R
2
V
O
=V
XX
(1+ ) +V
BE
R
1