A transistor has a maximum power dissipation of 350 mW at an ambient t – InterviewSolution

InterviewSolution

1.	A transistor has a maximum power dissipation of 350 mW at an ambient temperature of 25°C. If derating factor is 2 mW/°C, the maximum power dissipation for 40°C ambient temperature is
Answer» Derating improves reliability but does not affect maximum power dissipation.

Discussion

No Comment Found

Related InterviewSolutions

In the diode circuit shown in figure the diodes are ideal. The impedance seen by source is
Figure is a 24 V stabilized power supply. The zener is 24 V, 600 mW. The minimum zener current is 10 mA. Proper values R and maximum load current are
The open loop gain of an amplifier is 200. If negative feedback with β = 0.2 is used, the closed loop gain will be
In a class C power amplifier the input signal has a frequency of 250 kHz. If the collector current pulses are 0.1 μs wide, the duty cycle of current waveform is
A full wave rectifier circuit using centre tapped transformer and a bridge rectifier are fed at 100 V, 50 Hz. The frequencies of outputs in these two rectifiers are
When the ac base voltage in a CE amplifier circuit is too high, the ac emitter current is
In a self bias circuit for CE amplifier, an increase in emitter resistance R results in
In the CE circuit shown in figure the slope of ac load line will be
When the circuit is switched on, the loop gain of a Wien bridge oscillator is
The op-amp circuit shown in the figure is a filter. The type of filter and its cut off type of filter and its cut off frequency are respectively.