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question in the vco circuit shown in fig the voltage dependence of each varactor can be expressed as cvar c01
question the circuit shown in fig is a simplified model of a dual-mode oscillator 28 the voltage-dependent current
question the mixer phase detector characteristic shown in fig exhibits a zero gain at the peaks eg at phi 0 a pll
question repeat problem if the sign of kvco is changedproblem if kvco in the pll of fig 910a is very high and the pd
question determine at what frequencies the output sidebands of fig 97a are located are these sidebands or
question in the pll of fig 98b an input change of phi exactly yields an output change of phi on the other hand in the
question suppose the pll of fig is locked now we replace r1 with an open circuit what happens at the output as time
question determine the transfer function zeta and omegan for the frequency-multiplying pll of fig
question for the pfd of fig determine whether or not the average value of qa - qb is a linear function of the input
question compute the peak value of h in exampleexample plot the magnitude of 919 as a function of omega if zeta
question the circuit shown in fig is a dual-gate mixer used in traditional microwave design assume when m1 is on it has
question consider the active mixer shown in fig where the lo has abrupt edges and a 50 duty cycle also channel-length
question prove that for an n-turn spiral inductor the equivalent inter winding capacitance is given byceq c1 cn2
question consider the magnetic fields produced by the inductors in fig which topology creates less net magnetic field
question repeat example for four turns is it possible to find an expression for n turnsexample estimate the equivalent
question find the input impedance zin in
question determine the input admittance of the circuit shown in fig and find its real
question analyze the oscillator of fig if cgd is not
question can any feedback oscillator that employs a lossy resonator be viewed as the one-port system of
question suppose the inductors in the oscillator of fig exhibit a mismatch of l determine the oscillation frequency by
question prove that the series combination of the two tanks in fig 821a can be replaced with one tank as shown in fig
question repeat the analysis of the differential cg stage nf if a 1-to-2 balun is used such a balun provides a voltage
question consider a mos transistor configured as a cs stage and operating in saturation determine the ip3 and p1db if
question suppose in fig the lna has a voltage gain of a0 and the mixers have a high input impedance if the i and q
questionnbspmaking the same assumptions as in the above problem determine the noise figure of a hartley receiver