Schematic Diagrams

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MM5452 Liquid Crystal Display LCD Drivers Circuit Diagram and Datasheet

The MM5452 is a monolithic integrated circuit utilizing CMOS metal gate, low threshold enhancement mode devices which can drive up to 32 segments of LCD and can be paralleled to increase this number. This devices is usually applicable for microprocessor display, industrial control indicator, digital clock, thermometer, counter, voltmeter, instrumentation readouts and remote displays. The […]

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Digital 7 Segment Pulse Counter

A pulse counter can be built by using 7490 decode counter and 7557A. This circuit can count from zero to 9. Pins 3 and 2 of all 7490′s must be connected together. Here is the schematic diagram of the circuit: A push button is used as reset. The input of this circuit is a pulse […]

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Performance and Characteristics of CT2 Counter/Timer Module

The CT2 counter/timer module device perform convertion of a PC into a high performance pulse counting instrument. It is used specifically to count all TTL photon counting packages and TTL amplifier-discriminators Electron Tubes. This module can operate the following operations: continuous readings, fixed number of readings, continuous readings – trigger high, and fixed number of […]

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