Vcc = Collector supply voltage, Vee = Emitter supply, Vdd = Drain supply, Vss = source supply. The voltages can be negative or positive depending on the the device and the circuit configuration. In circuits using NPN transistors Vcc is generally positive but if you were using PNP transistors...
VDD, VSS, Vcc and Vee in Cadence meaning of VDD VSS VCC and VEE in electronics Nowadays itis always used Vdd and Vssto refer to thepositive and negative voltagerespectively.Vddis normally was used to be 5V but nowadays is 3.3V or even lower 1.8V or 1.2V.Vssis referred to be zero vol...
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VSS Signal Ground Vdd +5v Fig. 14 RS232 Interface RS-232, when compared to later interfaces such as RS-422, RS-485 and Ethernet, has lower transmission speed, short maximum cable length, large voltage swing, large standard connectors, no multipoint capabi...
meaning of VDD VSS VCC and VEE in electronics Nowadays itis always used Vdd and Vssto refer to thepositive and negative voltagerespectively.Vddis normally was used to be 5V but nowadays is 3.3V or even lower 1.8V or 1.2V.Vssis referred to be zero volts. ...