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consider a bipolar cascode amplifier biased at a current of 1 ma the transistors used have beta 100 ro 100 komega
a bjt cascode amplifier uses transistors for which beta 100 va 100 v ft 1 ghz andcmu 01 pf it operates at a bias
figure p1045 shows a diode-connected transistor with the bias circuit omitted utilizing the bjt high-frequency
for a cs amplifier with gm 5 mav cgs 5 pf cgd 1 pf cl 5 pf r1 sig 10 komega and r1l 10 komega find tauh and fh
a cs amplifier that can be represented by the equivalent circuit of fig 1024 has cgs 2 pf cgd 01 pf cl 2 pf gm 4 mav
consider the high-frequency response of an amplifier consisting of two identical stages in cascade each with an input
for a particular amplifier modeled by the circuit of fig 1018a gm 5 mav rsig 150 komega rg 065 momegar1 l 10 komega
the high-frequency response of a direct-coupled amplifier having a dc gain of -1000 vv incorporates zeros at infinand
an amplifier with a dc gain of 60 db has a single-pole high-frequency response with a 3-db frequency of 100 khza give
a common-source amplifier fed with a low-resistance signal source and operating with gm 2mav has a unity-gain
this problem presents a very interesting addition to the folded-cascode op-amp circuit of fig 1310 designed to deal
design the folded-cascode circuit of fig to provide voltage gain of 80 db and a unity-gain frequency of 20 mhz when cl
consider a design of the cascode op amp of fig 1310 for which i 400 mua and ib 250 mua assume that all transistors
it is required to design the circuit of fig to provide a bias current iref of 225 mua with q8 and q9 as matched devices
a two-stage cmos op amp resembling that in fig 131 is found to have a slew rate of 60 vmus and a unity-gain bandwidth
lab- j-k ff objectivesthe following are objectives of this labuse various conditions to test the characteristics of the
a cmos op amp with the topology shown in fig is designed to provide gm1 1 mav and gm2 5 maa find the value of cc that
a two-stage cmos op amp has each of its first-stage transistors q1 and q2 operating at an overdrive voltage of 02 v the
you work in a company that hire and pay workers on weekly basis at the end of each week you have to provide the total
a particular design of the two-stage cmos op amp of fig 131 has gm1 1 mav and gm2 2 mav the total capacitance at the
for the cmos amplifier in fig 131 whose equivalent circuit is shown in fig 132 let gm1 1 mav r1 100 komega c1 01 pf
design the two-stage cmos op amp in fig to provide a cmrr of about 72 db if all the transistors are operated at equal
consider the circuit in fig with the device geometries shown at the top of this page let iref 40 mua vt for all
the cmos op amp of fig is fabricated in a process for which v1a for all devices is 20 vmum if all transistors have l
thecmosopampof fig 131 is fabricated in a process for which v1an 25 vmum and v1 ap 20 vmum find a1 a2 and av if all