Frequency Response · Analog Circuits · GATE ECE

The Miller effect in the context of a Common Emitter amplifier explains

Which one of the following statements is correct about an ac-coupled common- emitter amplifier operating in the mid-band region?

Generally, the gain of a transistor Amplifier falls at high frequency due to the

Three identical RC-Coupled transistor amplifiers are cascaded. If each of the amplifiers has a frequency response as shown in figure, the overall fr...

The current gain of a bipolar transistor drops at high frequencies because of

The $${f_T}$$ of a BJT is related to its $${g_{m,}}\,\,{C_\pi }$$ and $${C_\mu }$$ as follows

An npn transistor has a beta cut-off frequency $${f_\beta }$$ of 1MHz and Common Emitter short circuit low frequency current gain $${\beta _o}$$ of 2...

An Amplifier has an open-loop gain of 100 and its lower and upper-cut-off frequency of 100 Hz and 100 kHz respectively, a feedback network with a feed...

An RC-Coupled Amplifier is assumed to have a single-pole low frequency transfer function. The maximum lower-cutoff frequency allowed for the Amplifier...

In a multi-stage RC-Coupled Amplifier the coupling capacitor.

Consider the common emitter amplifier shown below with the following circuit parameters: $$\beta = 100,\,{g_m} = 0.3861\,{\rm A}/V,\,{r_0} = \infty ,...

Consider the common emitter amplifier shown below with the following circuit parameters: $$\beta = 100,\,{g_m} = 0.3861\,{\rm A}/V,\,{r_0} = \infty ,...

An ideal sawtooth voltage waveform of a frequency 500 Hz and Amplitude 3 V is generated by charging a capacitor of 2 $$\mu F$$ in every cycle the char...

An npn BJT has gm = 38 mA/V, $${C_\mu }\, = {10^{ - 14}}$$ F, $${C_\pi }\, = 4\, \times {10^{ - 13}}\,F$$ and DC current gain $$\beta \, = \,90$$. For...

An amplifier is assumed to have a single pole high frequency transfer function. The rise time of its output response to a step function input is 35 ns...

An NPN transistor (with $${C_\pi }\,\, = \,\,0.3\,\,$$ pf) has a unity gain cutoff frequency $${f_T}$$ of 400 MHz at a DC-bias current Ic = 1mA. Th...

In the circuit shown in Fig. is a finite gain amplifier with a gain of K, a very large input impedance, and a very low output impedance. The input imp...

A common-emitter amplifier with an external capacitor CC connected across the base and the collector of the transistor is shown in Fig. Transistor d...