Previous Lecture 12 Voltage Dividers with Resistive loads.

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Presentation transcript:

Previous Lecture 12 Voltage Dividers with Resistive loads

SERIES-PARALLEL CIRCUITS Ladder Networks Lecture 13

The R/2R Ladder Network A basic R/2R ladder network is shown in following Figure. The name comes from the relationship of the resistor values. R represents a common value, and one set of resistors has twice the value of the others. The R/2R ladder network is commonly used to scale down voltages to certain weighted values for digital-to-analog conversion. Lecture 13

The switches used in this illustration simulate the digital (two- level) inputs. One switch position is connected to ground (0 V), and the other position is connected to a positive voltage (V).

Analysis of R/2R Ladder Network Switch SW4 is at the V position and the others are at ground

Switch SW3 is at the V position and the others are at ground

Switch SW2 is at the V position and the others are at ground

Switch SW1 is at the V position and the others are at ground

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