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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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 datahseet out to hear. Then come back to see the Loud Ringer circuit for the Home Phone.

Flashing light attached to it,with frequency of the ringging tone. This Telephone bell ringer circuit for generating the electricity bell in the old telephone. It is easy to use and good quality, Do not enter the power supply. The circuit uses power from the telephone line. This circuit is easily to build, because it uses a single IC as shown in figure below.


LED can be connected in series to increase, but less in proportion to the light.

How to builds You can builds this projects with make the Ak2411 before and then puting All components in this circuit as Figure 2 except of the piezoelectric transducers can be assembled into a perforated board. We do not need a new phone.

The detect ringing signal tone circuit with light and sound. By D2 to detect, only ka4211 negative signal,One extreme to the other end of the wire loop. Many electronics circuits and projects for learning in simple ways. Signal voltage is reduced down to approximately 10V.

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KA2411 Datasheet

This circuit is relatively loud. This site uses Akismet to reduce spam. You should check the accuracy.

Which as Detect ringing signal tone circuit Or ring tones on the telephone line, a signal incoming calls. Electronic bellsSmall electronic circuitsTelephone circuits.

(PDF) KA2411 Datasheet download

C3 For a maximum frequency is calculated from. Which is about 20 Hz. The D1 detect a positive signal, and the 4 LED.


Which consists with R3, C3 is low. Leave a Reply Cancel reply. Quote and Order boards in minutes on https: We hear the sound of the Oscillator 2 series, which differ by the output frequency chops to be a frequency generator circuits.

Figure 2 PCB and the components layout.

The ringing tone light, we may reduce the R5 for low down. 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.