The ladder wave signal generating circuit

Published:2011/6/23 20:50:00 Author:Seven | Keyword: ladder wave, signal generating | From:SeekIC

In the figure is the ladder wave signal generating circuit. In the circuit, 74HC193 is a 4-bit binary counter, on the output terminal connects with a R-2R resistor ladder net, which composes a 4-bit D/A converter. The 15th stage voltage is the total value of all the 5V power supply, i.e 5V×15/16＝4.6875V, the voltage on each stage is 312.5mV. To make the maximum voltage 10V, A1 magnifies it to its twice, if the voltage on each stage is not suitable in usage, the voltage can be split on its output terminal.



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