IC UM3561 DATASHEET PDF

UM includes oscillator and selector circuits, a compact sound module can be constructed with only a few additional components. A. A brief overview of the UM IC. UM is an excellent ROM IC that can generate Multi . [5] United Microelectronics UM Datasheet [Online]. UM datasheet, UM pdf, UM data sheet, datasheet, data sheet, pdf, UMC, Three Siren Sound Generator.

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UM Pin diagram and Pin description is given below, taken from its Datasheet:. Leave Open for Normal Operations. UM Pin diagram and Pin description is given below, taken from its Datasheet:. U should be careful while drawing the circuit. UM works in the range of volts, voltage higher than 5V can damage the Im3561, so if we are using it with um35561 circuit or using a high voltage source, a Zener diode must be connected, to protect the IC.

It has inbuilt oscillators and circuitry to produce the sounds, and only require one external resistor. While building circuits many times we need to generate sounds like a ix sound or some kind of alerting sound.

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Get Our Weekly Newsletter! The zener diode is connected directly to the 9 volt supply.

UM3561 Siren Sound Generator COM22

This voltage is called Breakdown Voltage or Zener Knee voltage. Log in or register to post Comment. It is a low cost and low powered 8 pin IC. With some basic mistakes just as in your circuit the beginners will get disheartened when there ckt doesn’t work.

Get Our Weekly Newsletter! It has inbuilt oscillators and circuitry to produce the sounds, and only require one external resistor. There should be a resistence of 1K. There should be a resistence of 1K.

UM Sound Generator IC Pinout, Circuit & Datasheet

Hi buddy there is basic flaw in circuit. All the diodes allow flow of current in only one direction forwardbut Zener diode can allow current in reverse direction if the voltage goes beyond a certain limit.

This voltage is called Breakdown Voltage or Zener Knee voltage.

Quote and Order boards in minutes on https: Zener Diode is just like the other diodes, with only one difference. It is generally used in alarms and toys. The output generated by the IC is not sufficient to drive a 8ohm small speaker, so to amplify the output of the IC, a transistor must be used at the output PIN 3.

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The zener diode is connected directly to the 9 volt supply. While UM66 have a limitation of generating only one sound, we have UM which is very useful and can generate four types of sound i. We can change the frequeccy by rotating uc knob of variable resistor.

UM Pinout | Pin Diagrams in | Pinterest | Circuit, Electronics and Police siren

U should be careful while drawing the circuit. While building circuits many times we need to generate sounds like a musical sound or some kind of alerting sound. Below is the table for 4 Playing modes, you can produce whatever sound you want. As we have used 9v battery, so we have used Zener Diode datashest.

Zener Diode is just like the other diodes, with only one difference. We can change the frequeccy by rotating the knob of variable resistor. Below is the table for 4 Playing modes, you dtaasheet produce whatever sound you want.

Leave Open for Normal Operations. It is generally used in alarms and toys. It is a low cost and low powered 8 pin IC.