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DataSheet: PDF icon UMpdf. UM66T is a melody integrated circuit. It is designed for use in bells, telephones, toys etc. It has an inbuilt tone and a beat. DESCRIPTION. The UTC UM66TXXL series are CMOS LSI designed for using in door bell, telephone and toy application. It is an on-chip ROM programmed for. BT66T is an easy to use 3 terminal Melody generator IC. It is mainly used in circuits where a tone has to be played as a notification for the user.

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Choosing Battery for Robots. Counting of number of zeros,even and odd numbers in an array.

UM66 Datasheet PDF

This is the simplest ever musical calling bell that can be easily built. Complete Technical Details can be pf at the datasheet given at the end of this page.

Choosing Motor For Robots. In this circuit please don’t give the supply beyond 3 volt without. Do not exceed 4. Datsheet has an inbuilt tone and a beat generator.

These frequencies are a factor of the oscillator frequency. You can not reprogramme it. Touch Controlled Musical Bell. When power is turned on, the melody generator is reset and melody begins from the first note.


(PDF) UM66 Datasheet download

Hello I cant get that circuit in digikey. The output of the IC that is the melody can dataheet obtained at the pin BD pin3. The details about the IC can be found here http: Do remember that this IC will be able to datashest only one tone, if you need a different tone you have to use a different IC with a different part number as shown above.

Resistor R1 limits the base current of Q1 within the safe values. Data sheet of UM66 is there in the datasheet section of the site.

BT66T Melody Generator Pinout, Description, Equivalent & Datasheet

Thanks for the CMOS technology. UM66 is a 3 pin melody device. Dear sir, could you forward me a 30second sound circuit that activated by another speaker out alarm clock Thanks shyaman.

We have already learnt how Zener can be used as Regulator and how the Zener resistor value R1 can be calculated. Interface SD Card with Arduino. Your email address will not be published. TL — Programmable Reference Voltage. Previous post Next post. There adtasheet an inbuilt oscillator circuit that serves as a time base for beat and tone generator.

Connection Diagram The connection diagram is shown below. Melody begins from the first note if power is reseted. This is a simple project datasheeg the IC UM The speaker is connected in series with the transistor so that the tone can be played in the speaker. Component List with cost Approximate.


We have other Tone Generator circuits that you may like; Take a look: Ding Dong Sound Generator. Each part number has the datasheet to play a different type of tone. It is better that you should not run this circuit. Leave a Reply Cancel reply Your email address will not be published.

UM66T is a melody integrated circuit. Submitted by admin on 24 October Km66 has an inbuilt beat and tone generator. If anyone want to reduce the volume of the circuit then insert a resistance in place of the blue line connection.

UM66 Datasheet, PDF – Alldatasheet

It has a built in ROM programs for playing music. In this circuit please don’t give the supply beyond 3 volt without modification as the IC may got damaged. I will add a voice recorder circuit soon. Where can i buy Which is the nte replacement. Datashet the IC, typically with 3. I think the explanation i gave is enough to understand the circuit.