Question

A transistor amplifier has poles at

s1 = - 0.000245 x 10⁹ rad/sec.
s2 = - 0.0748 x 10⁹ rad/sec.
s3 = - 0.670 x 10⁹ rad/sec.
s4 = - 4.38 x 10⁹ rad/sec.

The upper 3 dB frequency of the amplifier will be

a.

s1

b.

s1 + s2 + s3 + s4

c.

s1 + s4

d.

s4

Answer: (a).s1

Interact with the Community - Share Your Thoughts

Uncertain About the Answer? Seek Clarification Here.

Understand the Explanation? Include it Here.

Q. A transistor amplifier has poles at s1 = - 0.000245 x 10⁹ rad/sec. s2 = - 0.0748 x 10⁹ rad/sec. s3 = - 0.670 x 10⁹ rad/sec. s4 = - 4.38 x 10⁹ rad/sec. The upper 3 dB...

Similar Questions

Explore Relevant Multiple Choice Questions (MCQs)

Q. An engineer designs an amplifier to have a voltage gain of 60, but when constructed it only had a gain of 50. What value of feedback will double the gain?

Q. The maximum theoretical efficiency for class A amplifier is

Q. Assertion (A): A class C amplifier can also be used as frequency multiplier

Reason (R): When narrow current pulses drive a resonant circuit the output can be a near perfect sine wave

Q. The parameter β of a BJT change by 300%. If self bias is used in the amplifier using this BJT, the quiescent value of IC and VCE remain almost the same.

Q. A bypass capacitor produces

Q. Rise time in a transistor is change from

Q. In a JFET, gates are always

Q. By connecting external resistances to a differential amplifier we can adjust

Q. A feedback network to be used with an amplifier to provide oscillation is tested and found to give an output of 0.124 V with a 0.5 V input. What must be the minimum gain of the oscillator to provide oscillations?

Q. CMRR is the ratio of differential voltage gain to common mode gain.

Q. The purpose of impedance matching in an amplifier circuit is to achieve

Q. In a BJT CE amplifier circuit the value of coupling capacitor should be such that

Q. In order to rectify sinusoidal signals of millivolt range (< 0.6 V)

Q. The common gate amplifier has a characteristically __________ input resistance and a __________ output resistance.

Q. For input and later stages, BI-FET op-amp use

Q. The emitter coupled pair of BJT's gives a linear transfer relation between the differential output voltage and the differential input voltage Vid only when the magnitude of Vid is less a times the thermal voltage, where α is

Q. In most transistor the collector region is made physically larger than the emitter region

Q. The leakage current in CB configuration may be around

Q. In a CE amplifier the Q point is very close to saturation point on the dc load line. This results in

Q. Class-B amplifier has less efficiency compared to

Recommended Subjects

Are you eager to expand your knowledge beyond Electronics and Communication Engineering? We've handpicked a range of related categories that you might find intriguing.

Click on the categories below to discover a wealth of MCQs and enrich your understanding of various subjects. Happy exploring!