bids are invited for ece and bme lab items tuned amplifier , dsb ssb am transmitter and receiver , frequency modulation and demodulation , pam ppm pwm modulation demodulation , sampling and reconstruction technique , ask, fsk, bpsk, dbpsk modulator and demodulator , tdm pam transmitter receiver , frequency division multiplexer demultiplexer , pcm, dpcm, cvsd modulator and demodulator , temperature measurement using thermister , measurement of strain using strain gauge digital display , hay bridge , de sauty and schering bridge , wheatstone bridge , capacitive displacement transducer , maxwells bridge , anderson bridge , owens bridge , kelvins bridge , kelvins double bridge , lvdt , wiens bridge , analog digital trainer with bread board , spyrometer trainer kit , op amp trainer kit , lcr q meter , wattmeter lpf type , wattmeter upf type , servo motor , rtd trainer , thermocouple trainer , strain gauge trainer total quantity : 80