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 – Three Siren Sound Generator – PDIP-8

While building circuits many times we need to generate sounds like a musical sound or some kind of alerting sound. We can change the frequeccy by rotating the knob of variable resistor.

As we have used 9v battery, so we have used Zener Diode 3. It is generally used in alarms and toys.

UM Datasheet(PDF) – BOWIN ELECTRONIC CO.

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. Below is the table for 4 Playing modes, you can produce whatever sound you want.

U should be careful while drawing the circuit. Leave Open for Normal Operations. UM works in the range of volts, voltage higher than 5V can damage the IC, so if we are using it with other circuit or using a high voltage source, um3651 Zener diode must be connected, to protect the IC.

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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. Log in or register to post Comment. It is a low cost and low powered 8 pin IC. The zener diode is connected dataeheet to the 9 volt supply.

Quote and Order boards in minutes on https: With some basic mistakes just as in your circuit the beginners will get disheartened when there ckt doesn’t work.

UM Pin diagram and Pin description is given below, taken uum3561 its Datasheet: Hi buddy there is basic flaw in circuit. Hi buddy there is basic flaw in circuit.

It is generally used in alarms and toys. Zener Diode is just like the other diodes, with only one difference.

Leave Open for Normal Operations. There should be a resistence of 1K.

UM Pin diagram and Pin description is given below, taken datashheet its Datasheet:. 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. Below is the table for 4 Playing modes, you can produce whatever sound you want.

UM3561 Siren Sound Generator COM22

The output generated by the IC is not sufficient to drive a 8ohm small speaker, dayasheet to amplify the output of the IC, a transistor must be used at the output PIN 3. 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.

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Log in or register to post Comment. Quote and Order boards in minutes on https: As we have used 9v uj3561, so we have used Zener Diode 3.

It has inbuilt oscillators and circuitry to produce the sounds, and only require one external resistor. Zener Diode is just like the other diodes, with only one difference. The output generated by the IC is not sufficient to drive a 8ohm small speaker, so to amplify the mu3561 of the IC, a transistor must be used at the output PIN 3.

TruSemi UM3561 Three Siren Generator

It is a low cost and low powered 8 pin IC. This voltage is called Breakdown Voltage or Zener Knee voltage. UM Pin diagram and Pin description is given below, taken from its Datasheet:

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