KA Datasheet PDF Download – TELEPHONE TONE RINGERS, KA data sheet. KA datasheet, KA circuit, KA data sheet: SAMSUNG – THE KA/KA IS A BIPOLAR INTEGRATED CIRCUIT DESIGNED FOR. KA from Samsung Semiconductor Division. Find the PDF Datasheet, Specifications and Distributor Information.

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This circuit is easily to build, because it uses a single IC as shown in figure below.

Which is about 20 Hz. Then try to connect the telephone lines, then call come in, will be have hear the ringing tone, if the sound is not impressive, you can change the RC with formula datashfet above. C3 For a maximum frequency is calculated from.

LED can be connected in series to increase, but less in proportion to the light. The circuit uses power from the telephone line.

KA2411, KA2411 T, KA2412

By D2 to detect, only a negative signal,One extreme to the other end of the wire loop. Many electronics circuits and projects for learning in simple ways. Leave a Reply Cancel reply. Learn how your comment data is processed. Datasneet Telephone bell ringer circuit for generating the electricity bell in the old telephone.


Which consists with R3, C3 is low. Electronic bellsDatasheeet electronic circuitsTelephone circuits. Then come back to see the Loud Ringer circuit for the Home Phone.

Wing Shing Computer Components – datasheet pdf

This circuit is relatively loud. This site uses Akismet to reduce spam. Quote and Order boards in minutes on https: We do not need a new phone. Figure 2 PCB and the components datashee.

The D1 detect a positive signal, and the 4 LED. When IC1 is given the supply volt as I said, it will generator a ringing signals through the R5, to drive the Piezoelectric transducer BZ1 be a bell tone dxtasheet to hear. Which as Detect ringing signal tone circuit Or ring tones on the telephone line, a signal incoming calls.

The ringing tone light, we may reduce the R5 for low down. Signal voltage is reduced down to approximately 10V.

Selling KA, KA T, KA with KA, KA T, KA Datasheet PDF of these parts.

How to builds You can builds this projects with make the PCB before and then puting All datasheett in ja2411 circuit as Figure 2 except of the piezoelectric transducers can be assembled into a perforated board.


You should check the accuracy. It is easy to use and good quality, Do not enter the power supply. We hear the sound of the Oscillator 2 series, which differ by the output frequency chops to be a frequency generator circuits. Flashing light attached to it,with frequency of the ringging tone. The detect ringing signal tone circuit with light and sound.