BA1404 DATASHEET PDF

BA datasheet, BA circuit, BA data sheet: ROHM – Fm Stereo Transmitter,alldatasheet, datasheet, Datasheet search site for Electronic. Page 4. Page 5. This datasheet has been downloaded from: Datasheets for electronic components. Part, BA Category, Communication => Freq/Signal Converters/Generators. Description, FM Stereo Transmitter. Company, ROHM Electronics. Datasheet.

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C13 and C14 are just coupling capacitors, nothing to do with pre-emphasis. Your email address will not be published.

The kit took me about an b1a404 to make. However, what I liked best about the BA was the amount of excitement it created among the hobbyists. A The CK was much noisier to begin with.

BA Rohm, BA Datasheet

Frednand Start your learning by trying out simple circuits like — lighting an LED. When you slightly overdrive a Mono signal, you get a slightly distorted output. There were mailing lists and ftp sites arguing about the pros and cons of BA kits. Inductor L1 and capacitor C5 is used to set the oscillator frequency. I tried different antenna and found that could shift the operating frequency by KHz.

I could always tell between my Stereo signal and the pro signals next to it, but I could not tell exactly why. Thank you in advance. The steeper the filter, the harder it gets to design them without other problems showing up.

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(PDF) BA1404 Datasheet download

Hello, how can I variate the output frequency? Hi Nin you can use series LC tuned circuit between Pins 5 and 6. These ba14004 would fall into the higher part of the MPX signal, deceiving the receiver into feeling that there was extraneous content in the original Audio channels. But the 38KHz crstal will be best. It’s even great as your Dorm station.

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The FM modulator can be operated from 76 to MHz and power supply for the circuit can be anything between 1. Network C9,C10, R4,R5 improves the channel separation. But horrors, I put in only one channel of Audio and ground the other channel’s input.

The FM Stereo rules say that the Pilot should be a sine wave, not square as square wave would have harmonics. I really wonder if this slight high frequency note was caused by lack of a double sided board and large ground areas? I found that the stuff that one channel was putting into the other channel was low level but really distorted bad.

Not noticeable when you play rock, but when I played the Bass drum track, after each drum beat, the high frequency note would ring and then stabilise a second later.

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The Third Harmonic will be at 30 KHz. However the PCB is single sided and does not have large ground areas. Wanna have your own page here, write about your own experiences, own review, refute existing review, add comments to existing review, publish your circuits? Maybe that’s the reason for the deficiencies noted above?

I had to put my equaliser’s bass buttons up a bit. Cana Kit claim mtr range in the open. I lost the “Stereo” and the “Tune” lamps on my receiver which began outputting odd sounds and beats. It had a noticeable hiss making it sound datasheey an old cassette player playing an even older cassette. The PCB is very good quality and so are the components. The Stereo light on my receiver came on immediately.

Still the chip was fantastic in that it allowed you to transmit some dztasheet of Stereo at the real low end. You may also like: As expected the kit went berserk at the high end.