tender for procurement of trainer kits for department of electronics engineering at govt. college of engineering, amravati. , amplitude modulation & demodulation , frequency modulation & demodulation , phase modulation & demodulation , pre-emphasis and de-emphasis , frequency division multiplexing & demultiplexing , time division multiplexing & demultiplexing , pulse code modulation and demodulation , noise power spectral density measurement kit , automatic gain control , dsb-sc modulation and demodulation , ssb-sc modulation and demodulation , signal sampling and reconstruction trainer , pam, pwm and ppm modulation and demodulation , am superhetrodyne radio receiver demonstrator , rf characteristics of am radio receiver demonstrator ( selectivity, sensitivity, fidelity) , dpcm modulation and demodulation , delta modulation and demodulation , adaptive delta modulation and demodulation , ask, fsk, psk modulation and demodulation , qpsk modulation and demodulation , dpsk modulation demodulation , qam modulation and demodulation , pn sequence generator , hamming code generator , error detection and correction trainer , half wave, full wave rectifiers with l, c filters , diode clipper and clamper circuit , zener diode as voltage regulator , voltage regulator using lm78xx, lm79xx , transistor input and output characteristics for cb, ce and cc configuration , biasing schemes for bjt (all types) , single stage transistor amplifier (cb, ce, cc) , transistorised class a, b, ab, c amplifiers , study of h-parameters of ce configuration , study of positive and negative feedback in amplifier , transistorised astable, monostable and bistable multivibrator , mosfet oscillators , mosfet as a relay driver circuit , jfet and mosfet input and output characteristics for cg, cs and cd configuration , jfet and mosfet biasing methods , single stage fet, mosfet amplifier (cg, cs, cd) , bjt oscillators: hartley, colpitts, rc phase shift, wein bridge , temperature measurement using rtd, thermistor, thermo-couple , measurement of strain using strain guage , pressure measurement using bourdon tube, pressure guage , fpga devlopment board , 8051 microcontroller trainer kit