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R-2R LADDER CONVERTER
Figure shows a 4-bit R-2R ladderD/Aconverter,which contains a reference voltage source, a set of four switches, two resistors per bit, and an op amp. The analog output voltage can be shown to be
Vo = - Vref (b0 × 2-1 + b1 × 2-2 +···+ bn-1 × 2-n )
Because only two resistor values (R and 2R) are used, the R-2R ladder converter networks are relatively simple tomanufacture, fast, practical, and reliable. The commercially available AD558, which is an 8-bit R-2R D/A converter, is an example.
working of 4:1 demultiplexer
Q. Consider the synchronous counter shown in Figure of the text. (a) Draw its timing diagram. (b) Show the implementation of the same synchronous counter using D flip-flops.
Logically AND the contents of memory Contents of memory location, whose address is specified by HL register pair are logically AND with the contents of the accumulator. The
Q. Show that the image frequency for an FM station does not fall in the range of 88.1-107.9 MHz, regardless of the choice of high- or low-side local oscillator.
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Determine the active - reactive and apparent power: In the given circuit, determine the active, reactive and apparent power. Figure Solution The inductive
Determine whether the diode (considered to be ideal) in the circuit of Figure (a) is conducting.
Aims Exploring the analog output capabilities of the PIC trainer Write PIC assembly code to implement a simple multi-function signal generator Equipment PIC Trainer
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