August 5, 2020

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 Telephone bell ringer circuit for generating the electricity bell in the old telephone. This circuit is relatively datasheer. We do not need a new phone.

This circuit is easily to build, because it uses a single IC as shown in figure below. The detect ringing signal tone circuit with light and sound.

KA Datasheet(PDF) – Samsung semiconductor

It is easy to use and good quality, Do not enter the power supply. Which as Detect ringing signal tone circuit Or ring tones on the telephone line, a signal incoming calls.


Signal voltage is reduced down to approximately 10V. By D2 to detect, only a negative signal,One extreme to the other end of the wire loop. The D1 detect a positive signal, and the 4 LED. Flashing light attached to it,with frequency of the ringging tone.

(PDF) KA2411 Datasheet download

Which is about 20 Hz. LED can be connected in series to increase, but less in proportion oa2411 the light. The circuit uses power from the telephone line. Then come back to see the Loud Ringer circuit for the Home Phone.

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 out to hear. The ringing tone light, we may reduce the R5 for low down. We hear the sound of the Oscillator 2 series, which differ by the output frequency chops to be a frequency generator circuits.

Which consists with R3, C3 is low.

KA 데이터시트(PDF) – Wing Shing Computer Components

C3 For a maximum frequency is calculated from. How to builds You can builds this projects with make the PCB before and then puting All components in this circuit as Figure 2 except of the piezoelectric transducers can be assembled dataseet a perforated board.


You should check the accuracy. 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 given above.

Figure 2 PCB and the components layout. Quote and Order boards in minutes on https: This site uses Akismet to reduce spam.

KA2411 Datasheet PDF – Wing Shing Computer Components

Learn ja2411 your comment data is processed. Many electronics circuits and projects for learning in simple ways. Electronic bellsSmall electronic circuitsTelephone circuits.

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