M74HC85RM13TR

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M74HC85RM13TR is an integrated circuit that be used for comparing analog signals. It basically consists of an internal voltage reference, an analog Multiplexer, and an analog comparator. It is commonly used in many applications that require the comparison of two voltages, such as circuit protection, signal filtering, signal monitoring, etc.

M74HC85RM13TR belongs to the family of Logic - Comparators and it is an 8-channel multiplexer with an on-chip analog signal comparator. This integrated circuit is beneficial for applications that require the quick switching of up to eight different signals. One can easily select the channel to be activated by selecting the appropriate analog input source using the multiplexer selection pins.

The working principle of M74HC85RM13TR is quite simple. The first step is to select a channel using the multiplexer selection pins. Then, the analog signals that are sent to the inputs of the comparator and the analog reference voltage (controlled by an external voltage source) are compared. When the voltage at the selected channel is lower than the reference voltage, the output of the comparator would be “Low”. If the voltage at the selected channel is higher than the reference voltage, the output of the comparator would be “High”.

M74HC85RM13TR integrated circuit can be used to monitor and detect signals in consumer electronics such as laptops, television sets, and radio receivers. In some cases, it can be used for detection of presence/absence of different types of signals and for exact voltage levels detection. In addition, this integrated circuit can be used to control the charging and discharging of capacitors in order to obtain a very high frequency signal. Moreover, it can be used to control the temperature of the device or even to monitor the current and then modulate it in order to protect the circuit against overloads.

Another application of M74HC85RM13TR is in the development of amplifiers. It can be used to detect the output level and adjust the gain of the amplifier accordingly. This makes the amplifier more robust and reliable and reduces the amount of distortion. In addition, it can be used to detect the presence of a signal and switching on and off the amplifier according to the signal’s presence.

In conclusion, the M74HC85RM13TR integrated circuit is a useful and versatile device that finds different applications in typical consumer electronics. It is particularly useful for selecting, comparing and monitoring analog signals. The working principle is quite simple and the circuit can easily switch up to 8 different channels. Its applications include circuit protection, signal filtering, signal monitoring, detecting signal presence/absence, controlling temperature and current, and development of amplifiers.

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