purchase of ece lab equipments purchase of ece lab equipments , purchase of ece lab equipments , moving coil microphone kit i ) sine wave signal generator 100hz to 1khz ii ) moving coil microphone 3600 unidirectional signal response output , dynamic cone loud speaker kit i ) sine wave signal generator 100hz to 1khz ii ) dynamic cone loud speaker 3600 unidirectional signal response output iii ) microphone , decade capacitance box ( 0-100μf ) , single phase half controlled bridge converter with resistive load kit i ) input 230v ac ii ) power supply 0-24v / 2a ac iii ) inbuild firing circuit iv ) inbuild power circuit v ) inbuild r load vi ) 4nos. of scr, 2nos. of power diode vii ) 1 no. fly wheel diode , simple inverter design circuit kit i ) input 230v ac ii ) power supply 24v dc iii ) inverter selection switch for single pulse and multiple pulse iv ) sine wave 40 to 60 hz variable v ) triangle 10khz to 20khz variable amplitude and frequency vi ) inbuild firing circuit vii ) inbuild power circuit viii ) inbuild r load , rl load , sample and hold circuit kit i ) sampling time 1μsec -14μsec ii ) clock frequency upto 5mega hz