CD9088 DATASHEET PDF

CD Datasheet – 1-Chip FM Electrical Tuner IC, pdf, pinout, equivalent, replacement, schematic, manual, data, circuit, parts, datasheet. The YD is a bipolar integrated circuit for use in mono portable and pocket radios. It is used when a minimum of peripheral components (of. cd datasheet, cd datasheets, cd pdf, cd price, cd buy, cd stock.

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I made do with my Weller iron but it was a challenge.

cd Datasheet PDF

Next, try to close the case hooking over the headphone out jack first, and then clipping in the tuning dial side. Once that is dialled in, the unit has been tuned and the cd908 should now be somewhat functional. Once it is soldered, the speaker can be glued into the front casing with hot melt glue around the edge or superglue if unavailable.

November 10, at 6: Click for more about me! This might be the case especially near the headphone jack. Try not to bend the leads too severely, as cracking the other protective coating can have detrimental effects on capacitor stability or performance. satasheet

Maybe one radio station at the most. Getting to this stage takes about an hour. Desoldering braid optional to fix mistakes.

CD9088CB Даташит — Monolithic Power FM radio tuner

The next step was to mount the hardware — the headphone jack, the variable capacitor, the volume switch and the band switch.

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Turn the tuning dial to the lowest frequency longest indicator length and carefully thread the tip of the tongue through the slot while shifting the PCB into place. Part of the cause seems to be the jack itself being slightly larger than the hole in the rear plastic cover — reaming out the hole slightly using a large Philips head screwdriver seems to do the trick. From here, we can mount the two copper air-coiled inductors.

The reamed hole first the jack a lot better. In fact, the case even has a few curves to make it look just that little bit more stylish. As a result, I accepted the challenge and put in an order for two kits. Remove the plastic protective film on the front tuning scale, if desired. November 24, at 8: About one to two hours of time to complete the kit.

(PDF) Cd9088 Datasheet download

The next step is to align the AM band. April 25, at January 17, at 5: Attach the clips to the power supply terminals, and power up the radio to a moderate volume. The educational value, however, is a little limited without explanations. Because there were more capacitors, I decided to tackle them first. The values can either be read or checked with a meter.

My board looks like this — ready for the population of resistors. Sounds like a demented wasp trying to escape a Coca-Cola can. Lead the yellow wire to the ANT terminal and tack solder.

In the case of this kit, this specifically includes:. I also used a digital calipur to measure the position of the Band Trimmer screws, then drilled two small holea in the back cover to save removing the cover each time. Sound quality is good. Just another way engineering solves the day! The AM rod antenna connections can be made by looping out the enamelled wire over the top of the PCB is best and tack soldering the ends to AM terminals. Well, dtasheet took 2 months for my kit to arrive, the PCB was bowed, and some of the caps were illegible, but it worked on the first try.

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It also gives you the best access when soldering SMT parts. Get good reception aroun Mhz with correct pointer position. The AM reception is being achieved with the CD Insert your two AA batteries of choice, and you can start listening to radio right away. Do the soldering with the antenna on the benchso not to melt the casing, and ensure adequate heat. This post will be a little review of the kit, along with tips and hints especially for English speaking constructors.

Then solder each successive pin taking care not to short out adjacent pins. Next thing was to solder a pair of yellow wires to the positive and negative of the speaker.

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