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856 for the cb amplifier use eq 863 to explore the variation of the input resistance rin with the load resistance rl
855 in the common-gate amplifier circuit of fig p855 q2and q3are matched k1nwln k1 pwlp 4 mav2 and all transistors
d 854 figure p854 shows a current source realized using a current mirror with two matched transistors q1and q2 two
d 853 it is required to design the current source in fig p853 to deliver a current of 02 ma with an output resistance
851 a cg amplifier operating with gm 2 mav and ro 20 komegais fed with a signal source having rs 1 komega and is
850 it is required to design the cmos amplifier of fig 816a utilizing a 018-mum process for which k1n 387 muav2 k1p 86
849 transistor q1in the circuit of fig p849 is operating as a ce amplifier with an active load provided by transistor 2
848 the mosfets in the circuit of fig p848 are matchedhavingk1nwl1 k1pwl2 1 mav2 and vt 05 v the resistance r
847 consider the circuit shown in fig 816a using a 33-v supply and transistors for which vt 08 v and l 1 mum for q1
846 the power supply of the cmos amplifier analyzed in example 84 is increased to 5 v what will the extent of the
845 consider the cmos amplifier analyzed in example 84 if vi consists of a dc bias component on which is superimposed a
d 844 consider the cmos amplifier of fig 816a when fabricated with a process for which k1n 4k1p 400 muav2 vt 05 v
843 the nmos transistor in the circuit of fig p843 has vt 05 v k1nwl 2 mav2 and va 20 va neglecting the dc current in
842 figure p842 shows an ic mos amplifier formed by cascading two common-source stages assuming that van vap and
d 841 the circuit in fig 815a is fabricated in a 018-mum cmos technology for which muncox 400 muav2 mupcox 100 muav2
d 840 the circuit in fig 815a is fabricated in a process for which muncox 2mupcox 200 muav2v1an vap1 20 vmum vtn -vtp
881 in this problem we will explore the difference between using a bjt as cascode device and a mosfet as cascade device
879 a bipolar cascode amplifier has a current-source load with an output resistance betaro let beta 50 va 100 v and i
878 consider the bjt cascode amplifier of fig 838 for the case all transistors have equal beta and ro show that the
877 use eq 888 to show that for a bjt cascode current source utilizing identical pnp transistors and supplying a
876 a cascode current source formed of two pnp transistors for which beta 50 and va 5 v supplies a current of 02 ma
figure p875 shows a folded-cascode cmos amplifier utilizing a simple current source q2 supplying a current 2i and a
d 874 design the double-cascode current source shown in fig p874 to provide i 02 ma and the largest possible signal
873 the purpose of this problem is to investigate the signal currents and voltages at various points throughout a
consider the cascode amplifier of fig 833with the dc component at the input vi 06 v vg2 09 v vg3 04 v vg4 07 v and