4x Dual J-fet OPAMP IC Njmd JRC Op-amp Njm d. Be the first to write a review. About this product. Picture 1 of 3; Picture 2 of 3; Picture 3 of 3. Hey I’ve got an old keyboard amp lying around, and It’s got four 8-pin IC’s in it, labelled D JRC Anybody have any idea on what these. EPCOS AG. Part No. CXOD-FREQ-OUT3. Description, CRYSTAL OSCILLATOR, CLOCK, MHz – MHz, TTL OUTPUT. File Size, K / 1 Page.

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Dual J-FET Input Operational Amplifier

Your name or email address: But when I buy componentsI forget it. This site uses cookies to help personalise content, tailor your experience 02d to keep you logged in if you register. What is wrong about active filter??? I am making a low power home theater amplifier.

Njmd d/jrc Suppliers, all Quality Njmd d/jrc Suppliers on

For an accurate crossover the satellite amplifiers need a highpass filter that matches the lowpass filter 072v the subwoofer. The digital modem for my cable internet causes a clicking noise in my nearby stereo and in my wireless telephone.


Link of the circuit http: You will need dual power supply.

First I tried a used one I had laying around and the 2nd gain stage would not function at all Ziddik Member Oct 15, May 7, 67 7. Thread starter Nikolai Petrenko Start date Oct 8, I think the New Japan Radio opamp uses Toshiba’s design.

Forums New posts Search forums. I’m trying to use passive filtersnoise and 702d no more. I only use one of its channels. However the reverb on this amp does function quite well so I’m still scratching my head I’m guessing the way the circuit was designed that the CP would not function properly.

What shuld I do??? I also jrv a low-pass filter is active. Do you already have an account? The TL from Texas Instruments and copied by many English speaking companies never oscillates because it has proper frequency compensation.

Nikolai Petrenko Member Oct 11, Started by fastline Yesterday at 8: Nikolai Petrenko Member Oct 15, The datasheet says that at low gain it will probably oscillate.


Question Posted by crash in forum: Nikolai Petrenko Member Oct 8, I used jec Tda to drive subwoofer speaker.

4x Dual J-fet OPAMP IC Njm072d JRC Op-amp Njm072 072d

072f When i connect the filter to the TDA boardsubwoofer hum too loud and some sound like “ugg” or “ups”. Any help would be appreciated!

Then I installed a brand new CP and has the exact same results. You must log in or register to reply here.


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